Marissa is bu buying a shirt for each of her brothers and each of her 2 sisters. Each shirt costs $7.50 and she spends a total of $30. How many brothers does Marissa Have?

Answers

Answer 1
4 brothers because you have to divide the money that she pended and how much did each shirt costed.
hope it helps

Answer 2

Using an equation, Marissa has 2 brothers with her 2 sisters, making 4 siblings.

What is an equation?

An equation is a mathematical statement of the equality or equivalence of two or more mathematical expressions.

We can use an equation to solve the above problem.

The number of brothers that Marissa has = x

The number of sisters Marissa has = 2

The cost of each shirt = $7.50

The total amount spent = $30

The total number of shirts Marissa can buy with $30 = 4 ($30/$7.50)

Equation:

7.5x + 7.5(2) = 30

7.5x + 15 = 30

7.5x = 15

x = 2

Thus, Marissa has 2 brothers, based on the solved equation.

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Related Questions

Translate the phrase into a numerical expression.

1. seven multiplied by three
2. twice the opposite of eleven

Answers

1. Seven multiplied by three
7*3 the little star mean times

2. Twice the opposite of eleven= 2x+11
22 less than 3 times the number
3x-22
3x-22=2x+11
3x-2x=11+22
x= 33
So , it would be 2x+11 x is 33

Hope this helps good luck

Find three consecutive odd integers such that the sum of the first, two time the second and three times the third is 46

Answers

5+(2*7)+(3*9) = 46


I'm  assuming this is what you meant.

To find the three consecutive odd integers that satisfy the given conditions, we set up an equation x + 2(x + 2) + 3(x + 4) = 46, solved it to find x = 5, and then found the integers as 5, 7, and 9.

We are given a problem to find three consecutive odd integers where the sum of the first, two times the second, and three times the third equals 46. Let's label our integers as x (the first), x+2 (the second), and x+4 (the third), as the differences between odd integers are 2.

The equation, based on the problem statement, is:
x + 2(x + 2) + 3(x + 4) = 46

Distribute and combine like terms:
x + 2x + 4 + 3x + 12 = 46
6x + 16 = 46

Subtract 16 from both sides:
6x = 30
Divide both sides by 6:
x = 5

Therefore, the three consecutive odd integers are:
x = 5 (first integer),
x + 2 = 7 (second integer),
x + 4 = 9 (third integer).

Checking the solution: 5 + 2(7) + 3(9) = 5 + 14 + 27 = 46, which confirms our answer is correct.

Why is indirect compensation important to recruiting and retaining employees?

Answers

it is important because the quality of an organization's people is always is an essential ingredient of strategy execution---- Knowledgeable engaged employees are a companys best source of creative ideas for the nuts-and-bolts improvements that lead to excellence.
Final answer:

Indirect compensation is significant for retaining employees as it creates job security, motivates productivity, and reduces costs of recruitment and training. It also plays a role in managing modern workforce, which requires a more flexible and multi-faceted approach to retain.

Explanation:

Indirect compensation is important for recruiting and retaining employees in several ways. One of them is that it often works under an implicit contract, where the employer tries to maintain wages even when the economy or the business is not doing well, providing a form of protection for the employees. This implicit contract can make workers feel secure and motivated, hence improving productivity and reducing the likelihood of them leaving the firm.

Moreover, retaining employees from more modern generations can be more challenging since their expectations differ from those of previous generations; they tend to lack inherent company loyalty, hence, frequent rewards, praises, and feedback are essential. On the other hand, the efficiency wage theory argues that better pay results in higher productivity since the employees are motivated to work harder to maintain their current job because they realize that they could suffer a wage cut if they were to lose it.

Lastly, to avoid the costly and time-consuming endeavor of hiring and training new employees, employers often find it advantageous to pay a little more to the existing ones, a strategy that not only minimizes costs but also retains skilled and motivated employees.

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Jack leaves the caves and runs directly north for 9 miles. He then turns and runs 12 miles east. How many miles is he from the caves?

Answers

a^2 + b^2 = c^2
9^2 + 12^2 = c^2
81 + 144 = c^2
225 = c^2
sqrt 225 = c
15 = c <=== Jack is 15 miles from the cave
it is 9 miles or 21 miles but i think it is 9 miles

What is 5 meters every 2 seconds as a unit rate

Answers

it is 2.5 meters per every second

Find the eleventh term of the last term of A.P.
27,23,19,.....-65.

Answers

The term to term rule is to subtract 4

Term 1 = 27
Term 2 = 27 - 4 = 23
Term 3 = 23 - 4 = 19
Term 4 = 19 - 4 = 15
Term 5 = 15 - 4 = 11
Term 6 = 11 - 4 = 9
Term 7 = 9 - 4 = 5
Term 8 = 5 - 4 = 1
Term 9 = 1 - 4 = -3
Term 10 = -3 - 4 = -7
Term 11 = -7 - 4 = -11

The eleventh term = -11

A triangle has base 6 cm and area 42 cm^2 What is the height of the triangle?

Answers

Area = base (height) 1/2

so you plug your numbers into the equation and solve 
 
42 = 6(x) 1/2

42 = 3(x)

divide each side by 3 

14 = x  

The height of the triangle will be 14 cm.

What is a triangle?

A triangle is a polygon that has three sides and three vertices. It is one of the basic figures in geometry.

The area of the triangle is the product of half the base and the height of the triangle.

The area of the triangle = 1/2 x b x h

so we will plug numbers into the equation and solve ;

Area = 6(x) 1/2

42 = 6(x) 1/2

42 = 3(x)

Now, divide each side by 3

14 = x  

Therefore, the height of the triangle will be 14 cm.

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3(x-4)<-15 solve for x

Answers

you can do anything to an equaiton as long as you do it to both sides
if you multiply or divide both sides by a negative, flip the inequality direction

3(x-4)<-15
divide both sides by 3
x-4<-5
add 4 to both sides
x<-1
3(x - 4) < -15

Divide Each side by 3:

x - 4 < -5

Add 5 to both sides:

x  < -1

Hope this helps!

How many lateral faces does a triangular pyramid have

Answers

the base of a triangular pyramid has 3 edges. As with the triangular prism, it therefore has three side faces. In the case of pyramid, these side faces are triangular with the faces meeting to form the vertex. You then add the three side faces with the base face to get four faces in total
I hope this helped have a great day.

The number of lateral faces for a triangular pyramid is 3.

Given data:

Let the number of lateral faces for a triangular pyramid be A.

Now, A triangular pyramid has 3 lateral faces.

Each of these lateral faces is a triangle.

The base of the pyramid is not considered a lateral face.

It has one base face and three lateral faces.

All four faces are triangles.

It has four vertices or points.

It has six edges or line segments.

Hence, the number of lateral faces is 3.

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Find an upper limit for the zeros of 2 x4 - 7 x3 + 4 x2 + 7 x - 6 = 0

Answers

Let's solve your equation step-by-step.2x4−7x3+4x2+7x−6=0Step 1: Factor left side of equation.(x+1)(x−1)(x−2)(2x−3)=0Step 2: Set factors equal to 0.x+1=0 or x−1=0 or x−2=0 or 2x−3=0x=−1 or x=1 or x=2 or x=32Answer:x=−1 or x=1 or x=2 or x=32

The upper limit for the zeros of the given equation is x=32.

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

We have been given an equation as [tex]2x^4 - 7x^3 + 4x^2 + 7x - 6 = 0[/tex]

Step 1: First we have to Factor the left side of the equation.

(x+1)(x−1)(x−2)(2x−3)=0

Then Set factors equal to 0.

x+1=0

x−1=0

or x−2=0

2x−3=0x=−1

x=1 or x=2 or x=32

Therefore, x =−1 or x=1 or x=2 or x=32

The upper limit for the zeros of the given equation is x=32.

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I have 120 cm of framing material to make a picture frame, which will be most pleasing to the eye if its height is 2/3 of its width. What dimensions should i use?

Answers

 

The formula for perimeter is:

P = 2 h +  2 w

where P is perimeter = 120 cm, h is height, w is width

we are also given that: h = (2/3) w, therefore:

P = 2 (2/3) w + 2 w = 120

(4/3) w + 2 w = 120

w = 36 cm

 

Therefore l is:

l = (2/3) w = 24 cm

 

Hence the dimension should be 24cm by 36 cm

(01.05) what is the slope-intercept form equation of the line that passes through (3, 4) and (5, 16)? (1 point) y = 6x − 14 y = −6x + 14 y = −6x − 14 y = 6x + 14

Answers

(3,4)(5,16)
slope = (16 - 4) / (5 - 3) = 12/2 = 6

y = mx + b
slope(m) = 6
use either of ur points (3,4)...x = 3 and y = 4
sub and find b, the y int
4 = 6(3) + b
4 = 18 + b
4 - 18 = b
-14 = b

so ur equation is : y = 6x - 14

Answer:

The answer is [tex]y=6x-14[/tex]

Step-by-step explanation:

In order to determine the slope-intercept form equation, we need to know the formula. The formula needs a slope (m) and a point (x,y) that belongs to the equation.

[tex]y-y_1=m(x-x_1)\\m=slope\\(x_1,y_1)=point[/tex]

For m:

[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

So, first we have to define every variable and then we replace them into the formula:

[tex]P_1=(3,4)\\P_2=(5,16)\\m=\frac{16-4}{5-3}\\m=\frac{12}{2}=6[/tex]

It doesn't matter the order of how you define the points. The result will be the same.

Then:

[tex]y-4=6*(x-3)\\y=6*(x-3)+4\\y=6x-18+4\\y=6x-14[/tex]

Finally, the slope-intercept form equation is [tex]y=6x-14[/tex]

An investment earns 6% simple interest. What amount of principal is needed to have $3000 after 5 years? Round your answer to the nearest cent.

Answers

The principal amount needed to have $3000 after 5 years with 6% simple interest is $10,000.

To find the principal amount needed to have $3000 after 5 years with 6% simple interest, we can use the formula for simple interest:

Simple Interest = Principal * Rate * Time

where Rate is the interest rate as a decimal, and Time is the time period in years.

We can rearrange this formula to solve for the Principal:

Principal = Simple Interest / (Rate * Time)

In this case, we want to find the Principal that will yield $3000 after 5 years with 6% simple interest. Therefore, we have:

Simple Interest = $3000

Rate = 0.06

Time = 5 years

Plugging these values into the formula, we get:

Principal = $3000 / (0.06 * 5) = $10,000

Therefore, the principal amount needed to have $3000 after 5 years with 6% simple interest is $10,000.

Ms shoe kept 2 meatballs to herself then divided the others equally among her 14 children if each child got 5 meatballs how many did ms shoe have to begin with?

Answers

Meatballs Ms. Show kept for herself = 2

Meatballs each child got = 5

Number of children Ms. Shoe has = 14

Hence, total number of meatballs = 2 + (14 * 5) = 2 + 70 = 72

Solve for x: −5|x + 1| = 10 (1 point) x = 0 x = −3 and x = 1 x = −1 and x = 3 No solution

Answers

Ok so let's do this

Step 1: Divide both sides by -5.
-5(|x+1|)/-5 =10/-5
|x+1| = -2

Step 2: Solve Absolute Value.
|x+1|=−2
No solutions. (Absolute value cannot be less than 0.)

Answer:

The answer Is 1

Step-by-step explanation:

Got it right trust me

If a student received a score of 75% on a text in which 96 questions were answered correctly, how many questions were on the test?

Answers

X=128
96/x=75/100
YOU CAN CROSS MULTIPLY

Final answer:

To find the total number of questions on the test, we divide the number of correctly answered questions (96) by the score as a decimal (0.75), which gives us 128 questions in total.

Explanation:

To determine the total number of questions on the test, we can use the given information that a student received a score of 75% by answering 96 questions correctly. The percentage score represents the fraction of the total number of questions that were answered correctly. So, if 96 questions were 75% of the total, we can find the total number of questions (T) using the following equation:

75% of T = 96
0.75 × T = 96
T = 96 / 0.75
T = 128

Therefore, there were 128 questions on the test.

Which of the following, if substituted for y, would make the following inequality a true statement? –14 < y – 12?

Answers

Any number that is larger than -2.
For example y=0
-14 < 0-12
= -14 < -12

1/6 ÷4/7=?please help I don't understand this

Answers

To divide fractions, we multiply the forst numberby the reciprocal of the second.
Reciprocal of 4/7= 7/4

1/6*7/4= 7/24

Final answer: 7/24

simplify -52 + 8|-1| + (-3)

Answers

Answer is -47

First take the 8|-1|
anything between the lines is turned positive. therefore it simplifys to just 8 * 1 
so now we have -52 + 8 + (-3)
-52 + 8= -44
-44+(-3)=-47
| -1| = 1 (absolute value always make it positive)

therefore

8 x 1 = 8

-52 - 3 = -55

-55 + 8 = -47

-47 is your answer

hope this helps

Prove that if you pick three socks from a from a drawer containing only black or blue socks that you must get a pair or either black or blue.

Answers

All you have to do is pick them up if you only got two color and u pic up three that means u got two of the same color and one different color.

How many numbers are 10 units from 0 on the number line?

Answers

it would be 10 to the right when you add from 0
On a real number, the number 0 is at the middle of it. And from that point, you can go two ways, the negative direction or the positive direction. So, you can go 10 units to the left, which is the negative direction, or 10 units to the right, which is the positive direction.

So, there are 2 numbers that are 10 units away from 0.

I need help with 34 and 35. Thanks

Answers

It's given that on a graph, x is the horizontal axis and y is the vertical axis.

For point (4, 7), x = 4 and y = 7 (these are the vertical & horizontal lines). We know this because the y coordinate will always be the horizontal line and the x coordinate will always be the vertical line.

For point (3, -2), it's the same situation. Since 3 is your x coordinate, the vertical line will be x = 3. Since -2 is the y coordinate, the horizontal line will be y = -2.

I don't understand how to do this problem.

Answers

Answers: 

x = 4
EF = 14
CF = 7
EC = 7

-------------------------------------------------------------
-------------------------------------------------------------

Work Shown:

C is the midpoint of segment EF. This means that EC = CF. In other words, the two pieces are congruent. 

Use substitution and solve for x
EC = CF
5x-13 = 3x-5
5x-13+13 = 3x-5+13
5x = 3x+8
5x-3x = 3x+8-3x
2x = 8
2x/2 = 8/2
x = 4

Now that we know that x = 4, we can use this to find EC and CF

Let's compute EC
EC = 5x - 13
EC = 5*x - 13
EC = 5*4 - 13 ... replace x with 4
EC = 20 - 13
EC = 7

Let's compute CF
CF = 3x - 5
CF = 3*x - 5
CF = 3*4 - 5 ... replace x with 4
CF = 12 - 5
CF = 7

As expected, EC = CF (both are 7 units long).

By the segment addition postulate, we can say EC+CF = EF

EC+CF = EF
EF = EC+CF
EF = 7+7
EF = 14

What did the point say to the segment

Answers

Points, rays and lines are all elements of a coordinate geometry. The text that completes, sentence A to D is as follows:

LinePlaneCollinearCoplanar

Figure E is a point, while figure F is a ray

I've added as an attachment, the complete question.

A. Two points

When there are two points (say points A and B), there can only be one line segment in these points. The line segment is AB or BA

B. Three points

A plane is formed by three points. So, for any three points (whether they are collinear or not), there is exactly one plane.

C. Points on the same line

When there are more than one points on a line, such points are said to be collinear.

D. Points on the same plane

When there are more than one points in a plane, such points are said to be coplanar.

E. & F

A point is represented with a dot; So, the figure in (E) is a point.

A ray has one endpoint and an arrow at the other end. So, AB is a ray.

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A student got a grade of 85% on a text in which she answered 3 questions incorrectly. How many questions were on the test?

Answers

Alright, we have to ask ourselves "How much of 100% is one question worth?"

To find this, we must first find out how much was taken off of 100% to get 85%.  In terms of math, this can be put like this:

100% - X = 85%

Now, we solve for X.

100% - X = 85%

Add X to both sides.

100% = 85% + X

Subtract 85% from both sides.

100% - 85% = X

Subtract.

15% = X

This means that 15% was taken off of 100% to get 85%.  In other words, 3 incorrect questions are equal to 15% of the final grade.  In terms of math, we can put it like this:

3 = 15%

Now, let's go back to the first question we asked at the beginning.

"How much of 100% is one question worth?"

To find this, we need to make 3 become 1 in the equation 3 = 15%.

3 = 15%

Divide both sides by three.

3/3 = 15%/3

Divide.

1 = 5%

This means that 1 question is worth 5% of the grade.  With this information, we can find out how many questions it takes to get 100% of the grade.  To do this, we need to make the 5% become 100%.

1 = 5%

Multiply both sides by 20.

20(1) = 20(5%)

20 = 100%

This means that there are a total of 20 questions on the test.

By interpreting the student's grade of 85% and knowing that 3 questions were answered incorrectly, we can infer that the test consisted of 20 questions in total.

To calculate how many questions were on the test, we first need to establish the relationship between the number of questions answered incorrectly and the student's overall percentage score. If the student got an 85% on the test, this means they answered 85% of the questions correctly. With 3 questions answered incorrectly, we can assume that these incorrect answers account for the remaining 15%. To find the total number of questions on the test (let's denote it as x), we set up a simple equation:

0.15x = 3

Solving for x yields:

x = 3 / 0.15

x = 20

Therefore, the test consisted of 20 questions in total.

At 9:54
a.m., a patient's temperature was 101.5 degrees. At 10:41, the nurse took the patient's temperature again and found it was 105.8 degrees, the highest ever recorded. How long did it take for the patient's temperature to reach this record high?

Answers

Final answer:

It took approximately 47 minutes for the patient's temperature to reach a record high of 105.8 degrees, calculated by subtracting the start time from the end time.

Explanation:

The subject question involves the calculation of time that elapses between two events - a start time of 9:54 a.m. and an end time of 10:41 a.m. To calculate this, we subtract the start time from the end time.

Begin by converting the times to a 24-hour clock, where 9:54 a.m. is 9.9 (as each minute represents a fraction of a full hour) and 10:41 a.m. is 10.68. Then, subtract 9.9 from 10.68 to get 0.78. This means that 0.78 hours has passed, which is equivalent to approximately 47 minutes when converted back into minutes (0.78 x 60).

So, it took approximately 47 minutes for the patient's temperature to reach the record high of 105.8 degrees.

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Amy is a software saleswoman. Her base salary is 2300, and she makes and an additional $80 for every copy of English is fun she sells. Let p represent her total pay ( in dollars ), and let N represent the number of copies of English is fun she sells. Write an equation relating P to N. Then use this equation to find her total pay if she sells 21 copies of English is fun

Answers

S = 2100 + 40N Think of the graph as your typical (X,Y) graph but with the axis being (N,S) instead.  

Consider the expression −2 + 5a + b + 2a − 5b.
Which term can be combined with 5a because they are like terms?
–2
b
2a
–5b

Answers

like terms will have exactly the same variables

so 5a and 2a are like terms

examples :
3b and 4b are like terms
3b and 4a are not like terms
2a^2 + 3a^2 are like terms
2a and 3a^2 are not like terms
3ab and 4ba are also like terms...even though the variables are switched
6b^2a and 6a^2b are not like terms

Answer:

2a is the answer

Step-by-step explanation:

Find k so that the three equations 3x-y=2, 2x+8=3y, and y=kx have a common solution

Answers

2x+8=3kx (3k-2)x+8=0
3x-kx=2. (3-k)x-2=0
3k-2)x+10=3-k)x
4k-5=10/x
///////
3x-y-2=2x+8-3y
X+2y-10=0
X+2kx-10=0
K=(10-x)/2x

Michael wants to eliminate the variable y from the system below by adding. First, he will have to multiply one of the equations by a number. Which step will enable him to eliminate y by adding?

Answers

first, he would multiply 2x + 2y = 6 by 3. 

7x - 6y = 8
2x + 2y = 6....multiply by 3
--------------
7x - 6y = 8
6x + 6y = 18 (result of multiplying by 3)
-------------add
13x = 26.......poof...the y's have been eliminated :)
x = 2


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PLEASE HELP ME !! Abigail has $30.00 to buy groceries. She needs to buy some apples, some bananas, and 3 pounds of potatoes. Fuji apples are $1.79 a pound, bananas are $0.36 each, and potatoes are $2.99 for a 3 lb. bag. If a represents the number of pounds of apples Abigail buys and b represents the number of bananas she buys, which expression represents the amount of change she receives after her purchases? Choices are A. 30.00-a-bB. 1.79a + 0.36b+2.99C. 30.00 (1.79a + 0.36b + 2.99)D. 30.00 + (1.79a + 0.36b + 2.99) What are the benefits of using a multiview sketch to communicate a design? Stacy bought a skateboard at a local sporting goods store. The skateboard was on sale for 10% off the original price. The store then charges 10% sales tax. a. how does the original price compare to the final price?b. would the final price be different if the 10% sales tax was added first and then the 10% discount was applied to this new amount Adding fractions with uncommon denominators To ensure that workers have the vital skills and are competent, many health care careers demand specific _______. "if the left-hand mass is 2.3 kg ,what should the right-hand mass be so that it accelerates downslope at 0.64 m/s2?" A person's mental and emotional health is most directly affected by _____. a.stress b.disease c.culture d.nutrition Examples, definition, narration, comparison, contrast, and statistics are types of visual aid the word font refers to the style of lettering but not the color.true or false Need assistance transitioning from intro to body paragraph.How would I word it correctly? Which type of law concerns family relationships such as marriage, divorce, or child custody? The length of a rectangle is 4 inches more than its width the perimeter is 96 inches what is the length and width of the rectangle Why is the black plague significant to europe history What is the best way to check if a person is breathing before performing Hands-Only CPR? a.) Look for chest motion and watch for the person breathing. b.) Pinch the nose closed and see if the person gasps while breathing. c.) Tilt the person's head and check for gasping or heavy breathing. d.) Use a mirror under the nose to check for condensation from breathing. C. assume that we are back to talking about bags of oranges (a private good), but that the government has decided that tossed orange peels impose a negative externality on the public that must be rectified by imposing a $4-per-bag tax on sellers. what is the new equilibrium price? p* = $ . what is the new equilibrium quantity? q* = bag(s). if the new equilibrium quantity is the optimal quantity, by how many bags were oranges being overproduced before? q* = bag(s). Parliamentary forces in the english civil war were primarily made up of How is chemical activity used to separate copper from its ore? which tool is most likely used during a field investigation?microscope x-ray diffraction altimeter hydrometer What is the definition of the word acid in this sentence: The acid in the lemon made my mouth pucker. a) bland b) salty c) sour d) sweet e) bitter What is the value of ? Steam Workshop Downloader