Mathematics Middle School

Samuel is saving to buy a watch that costs 169 this is $48 more than 4 times what he saved last month how much did he save last month?

Answers

Answer 1

Samuel would have saved $30.25

First, subtract 48 form 169. then divide by 4.

Related Questions

Find the value of x (5x) (3x+12

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The value that shows the expansion of the given algebraic expression is 6.

What is the solution to the algebraic expression.

An algebraic expression is a mathematical expression that has the variables, coefficients, and its arithmetic operators

In the complete question attached below, we are to find the value of x.

We can see that the angles are alternate angles.

So, 5x = (3x + 12).Combine like terms, we have:

5x - 3x = 12

2x = 12

x = 12/2

x = 6

Therefore, the value of x is = 6.

Kay estimates that Wednesday ride is about 3 miles longer than Tuesday ride . Is her estimate reasonable ?

Answers

Answer:

yes

Step-by-step explanation:

Given the binomials (x-1), (x-3), (x+3), (x+5), which one is the factor of f(x) = x^3 + 6x^2 + 12x +35?

Answers

The given polynomial is
f(x) = x³ + 6x² + 12x + 35

According to the Remainder Theorem, if x = a is a zero, then
f(a) = 0, and (x-a) is a factor.

Test (x-1):
f(1) = 1 + 6 +12 + 35 = 54
Not a factor.

Test (x-3):
f(3) = 3³ +6*3² + 12*3 + 35 = 152
Not a factor.

Test (x+3):
f(-3) = (-3)³ + 6*(-3)² + 12*(-3) + 35 = 26
Not a factor.

Test (x+5):
(-5)³ + 6*(-5)² + 12*(-5) + 35 = 0
It is a factor.

Answer: (x+5) is a factor.

20 points please answer and write an inequality

A popular cellular phone family plan provides 1,500 minutes. It charges $89.99/month for the first two lines and $9.99/month for every line after that. Unlimited text messages for all phone lines costs $30.00/month, and Internet costs $10.00/month per phone line. If a family with a $200 monthly budget buys this plan and signs up for unlimited text messaging and Internet on each phone line, how many cell phone lines can they afford? Use an inequality to solve this problem. Graph your solution on the number line and explain the meaning of your graph in a sentence.

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if you're counting the two lines given with the only 89.99 plan its 9 plans if not then its 7 additional plans

Write 63 as a sum of tens and ones

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you have 60 in your tens place. you have 3 in your ones place. then add both together

How do you write 1/10 in percent

Answers

1/10 = 10/100

10/100 = 0.10

0.10 = 10%

10% is your answer

hope this helps

10% cause it's just like counting by 10's

ShopRite has jeans on sale for 3/10 off .Save more has jeans on sale for 33% off for has a better sale on jeans?explain.

Answers

3/10 is 30%
Save more jeans are 33% off

you can use similar triangles to find the height of a tree. Triangle ABC is similar to triangle DEC. what is the height of the tree?

please explain it too ^_^

Answers

So if triangle ABC is similiar to triangle DEC then we know that when two figures are similar, the ratios of the lengths of their corresponding sides are equal.So we can write:

AC/DC = BC/EC =AB/DE = k

BC= 9ft + 6ft = 15

BC/EC= k
15/6=k

Now that we know the k we can find the height of the tree that's equal to AB:

AB/DE= k
AB/4=15/6
6AB= 15 x 4
AB= 60/6 = 10

The height of the tree is 10ft

The height of the tree is 10 feet.

What is a triangle?

A triangle is a three-sided closed-plane figure formed by joining three noncolinear points. Based on the side property triangles are of three types they are Equilateral triangle, Scalene triangle, and Isosceles triangle.

We know the ratios of the lengths of the corresponding sides are equal when two figures are similar, if triangle ABC and triangle DEC are similar, then we may write,

AC/DC = BC/EC = AB/DE = k

BC= 9ft + 6ft = 15

BC/EC= k

15/6=k

Now from this value of 'K' we can determine the height of the tree which is,

AB/DE = k

AB/4 = 15/6

6AB = 15 x 4

AB = 60/6 = 10

The height of the tree is 10ft.

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Equation: y= -0.25x+1
After how many minutes is the timer 25% full?

Answers

Answer: 3 minutes

To solve this, I plugged 0.25 into the y value since it represents the amount of sand remaining. I then solved for the x value which gave me a value of 3. (I hope this helps)

204 meters 89 cm = how many cm??

Answers

20,489 because 1 meter is 100 centimeters.

204 meters 89 centimeters is equal to 20,489 centimeters.

To convert 204 meters 89 centimeters to centimeters, we need to consider that 1 meter is equal to 100 centimeters.

204 meters is equal to 204 × 100 = 20,400 centimeters.

Adding the 89 centimeters, the total is 20,400 + 89 = 20,489 centimeters.

Therefore, 204 meters 89 centimeters is equal to 20,489 centimeters.

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Find the outlier in the data: 38, 38, 18, 28, 36, 30, 39, 32. How does the outlier affect the mean? If necessary, round to the nearest tenth. 43; raises it by 1.5. 18; lowers it by 2. 43; lowers it by 1.5. 18; raises it by 2.

Answers

the outlier is 18. This outlier will lower the average mean. The answer is B

The outlier is 18.
and it lowers the mean by about 2

Which function describes this graph?

f(x)=4x+2
f(x)=x+2
f(x)=1/4x+2

Answers

f(x) = 1/4x + 2

This means that the y-intercept is 2 and the slope is 1/4.

Hope this helps!

The function that best describes this graph would be f(x)=1/4x+2. The y-int is 2 and it rises once and runs 4 times to the right.

What is 45,824 rounded to the nearest thousand

Answers

46,000 is the answer

You have your 1s 10s 100s 1,000s 10,000s. 45,824 you want to round to the nearest thousands so you look at 5,824. if its 5 or more go up if its 4 or round down. 800 is more than 500 so you round up to 6,000. The answer is 46,000.

A music download service charges a flat fee each month and $0.99 per download. The total cost for downloading 37 songs this month is $42.72.
How much is the flat fee?
(pls tell me the equation)

Answers

.99x=37.00
42.72-x=answer

there is 37 downloads so .99 times 37 is 36.63 so 36.63 minus 42.72 is 6.09 so the flat fee is $6.09.

67a(t+z)=45z+67 solve for z.
I need help. Please?

Answers

67a(t+z)=45z+67
Distribute the 67a to inside the parenthesis.
67at + 67az = 45z + 67
Subtract 67 to the other side.
67at + 67az - 67 = 45z
Divide everything by 45.
1.49at + 1.49az - 1.49 = z

Hope that helped! :)

Hello there, let's get started.

The equation is 67a(t+z)=45z+67.

Let's first distribute "67a" to the "t" and "z" in the parenthesis.
The equation simplifies to: 67at + 67az = 45z + 67.

Step one is to Add -45z to both sides. 67at+67az+−45z=45z+67+−45z (this crosses 45z out), it is now simplified to 67at+67az−45z=67.

Step 2 is to now add -67at to both sides. 67at+67az−45z+−67at (this crosses 67at out)=67+−67a. The equation is now simplified to 67az−45z=−67at+67t.

Step 3: Factor out variable z. z(67a−45)=−67at+67.

Step 4: Divide both sides by 67a-45. z(67a−45)/67a−45=−67at+67/67a−45.
It's then simplified to: z=−67at+67/67a−45.

The equation: z=−67at+67/67a−45 is the final answer. Sorry if this is confusing.

Giving who ever answers correctly over 30 points.

1: Solve for x.

x - 3/8 = - 5/8

a: x=1/4
b: x= -1/4
c: x= -1

2: Solve for x.

2x = 15 + x

a: x= -15
b: x= 15
c: x= 15/2

3: Solve for x.

x + 5 = 2x

a: x=3
b: x= -5
c: x= 5

Answers

The first one would be b,

second is b

third is c.

Hope this helps!

Number 1 is b
Number 2 is b
Number 3 is c

4(x+8)-4=34-2x steps

Answers

Step 1: Simplify both sides of the equation.4(x+8)−4=34−2x(4)(x)+(4)(8)+−4=34+−2x(Distribute)4x+32+−4=34+−2x(4x)+(32+−4)=−2x+34(Combine Like Terms)4x+28=−2x+344x+28=−2x+34Step 2: Add 2x to both sides.4x+28+2x=−2x+34+2x6x+28=34Step 3: Subtract 28 from both sides.6x+28−28=34−286x=6Step 4: Divide both sides by 6.6x6=66x=1

Find the coordinates of the points of intersection of the graphs with coordinate axes:
y=−1.5x+3

x − intercept is ( , )
y − intercept is ( , )

Answers

I only know the y intercept which is 0,3

Answer:

x - intercept is (2,0)

y - intercept is (0,3)

Step-by-step explanation:

y = 0 for x - intercept

0 = - 1.5x + 3

- 3 = - 1.5x

x = 2

x = 0 for y - intercept

y = 0 + 3

y = 3

4. Grace works from 10 to 20 hours per week while attending college. She earns $9.00 per hour. Her roommate Frances also has a job. Her pay for t hours each week is given by the function f(t)= 10t, where 5

Answers

Given that Grace works from 10 to 20 hours per week while attending college. She earns $9.00 per hour. Her roommate Frances also has a job. Her pay for t hours each week is given by the function f(t)= 10t, where 5 ≤ t ≤ 15.

Part A:

Given that Grace's time is rounded to the nearest quarter of an hour. The domain for Grace is given by {10, 10.25, 10.50, 10.75, - - -, 19.75, 20}.

The range for grace is given by {9(10), 9(10.25), 9(10.50), 9(10.75), - - -, 9(19.75), 9(20)} = {90, 92.25, 94.5, 96.75, - - -, 177.75, 180}

The domain for Frances is given by: 5 ≤ t ≤ 15.

The range for Frances is given by: 10(5) ≤ f(t) ≤ 10(15) = 50 ≤ f(t) ≤ 150.

Part B:

Grace earns $9 per hour and $80 to $180 per week while Frances earns $10 per hour and $50 to $150 per week.

Use the scale and map measurements to find the actual distance from New Wilmington to Sharon through Mercer. What is the actual distance if you travel from New Wilmington to Sharon through Volant?
A.) 16.5 mi; 19.5 mi

B.) 33 mi; 39 mi

C.) 66 mi; 78 mi

D.) 49.5 mi; 58.5 mi

Answers

1) New Wilmington-> Mercer: 1.25in
Mercer -> Sharon: 1.5in
-> in total 2.75in
scale 1 in:12 mi

->in total scaled: 2.75*12 mi=24+9mi=33mi

2) New Wilmington-> Volant: 1.25in
Volant -> Sharon: 2in
-> in total 3.25in
scale 1in:12mi

->in total scaled: 3.25*12 mi=36+3mi=39mi

so the answer is B) 33 mi; 39 mi

the other person is incorrect "b.33 Mi; 39Mi" is not even an option on my quiz

the correct answer is 76.5 mi; 67.5 mi

A recipe requires 1/4 lb of onions to make 3 servingsof soup. Mark has 1 1/2 lb of onions. How many servings can mark make?

Answers

16 servings of soup. 1/4 times 4 equals 1 pound and 1/4 times 2 equals 1/2 a pound so it equals 1 1/2.

Hello,

We know that if you have 1/4 Ib of onions, that will make 3 servings. If we make a unit rate table, you'll end up with 18 servings when you have 1 1/2 Ibs of onions.

He would be able to make 18 servings. Hope this helps.

May.

Are the fractions 1/2 and 3/8 equivalent fractions

Answers

No, 1/2 is equivalent to 4/8

A fraction is a way to describe a part of a whole. The value of the two fractions is not equal.

What is a Fraction?

A fraction is a way to describe a part of a whole. such as the fraction ¼ can be described as 0.25.

The value of the two fractions can be simplified as,

1/2 = 0.5

3/8 = 0.375

As it can be seen that the value of the two fractions is different, therefore, the value of the two fractions is not equal.

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Which equation below is a direct variation? A. 0.05x = y B. x + 2 = y C. D. y = 2x + 6

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It’s A because the direct variation formula is y = mx.

For what value of y does 125=(1/25)^y-1
A -5/2
B -2
C -1
D -1/2

Answers

The value of y that satisfies the equation is -1/2.

The correct option is D.

To solve the equation, using the property of exponents:

125 = (1/25[tex])^{y-1[/tex]

Now, 125 can be written in exponent form as (5³) and (1/25) as (5⁻²):

So, 5³ = (1/5²[tex])^{y-1[/tex]

5³ = (5⁻²[tex])^{y-1[/tex]

5³ =[tex]5^{-2y+2[/tex]

Since the bases are the same, comparing the exponents as:

3 = -2y+ 2

3-2 = -2y

-2y = 1

y= -1/2.

Therefore, the value of y that satisfies the equation is -1/2.

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Please help me!! This is due by 11.59pm. Please show how you got the answer. I got $270.

Answers

It is $150 because you want 125% of 120. You can put 125% as a fraction so the equation now is 125/100*120. So simplifying, you get 12.5*12. So the actual answer is $150.

You put $550 in an account that earns 4.4% simple interest per year. How much interest do you earn in 6 month

$1.21

$12.10

$121.00

$145.20

Answers

(550*4.4)/100=24.2
24.2/12=2.016 $ in month
2.016*6=12.10 $

12.10 would be the interest for only 6 months.

What is 23/35 simplified?

Answers

There is no least common enominator for this answer due to the fact that these numbers don't share a common factor (23 is odd number with only two factors: 1, 23; while 35 is odd number with 4 factors: 1, 5, 7, 35) other than 1.

*But if you do 1/1, it will be 1; so this won't work properly.

So the answer is 23/35.

A soccer field has an area of 7/8 square miles. The length of the field is 2/5 miles. What is the width of the soccer field?

Answers

Answer: The answer is 35/16 miles

Step-by-step explanation: I have my ways ;>

Use the order of operations to find the value of the expression 5*2+6-5

Answers

You have to use PEMDAS. The first irder of operations to use in this situation is multiply. So 5 x 2 = 10. Now we have to add 10 + 6 = 16. Lastly, you have to subtract 16 - 5 = 11. So your answer would be 11.

Hope this helps! : - D

Salutations!

BODMAS also called Order of Operations means:

B- Brackets

O - Order

D- Division

M- Multiplication

A- Addition

S- Subtraction.

[tex]5*2+6-5[/tex]

[tex]5*2 =10[/tex]

[tex]10+6=16[/tex]

[tex]16-5=11[/tex]

Hope I helped (:

have a great day!

What is the smallest power of 10 that would exceed 987,654,321,098,765,432?

Answers

it is 10^18:1000000000000000000

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