Mathematics Middle School

find the value of x. the diagram is not to scale.

Answers

Answer 1

opposite angles are equal so where the 110 is outside the triangle, it is also 110 inside the triangle.

the 3 angles need to = 180

so you have 110 + 57 = 167

x = 180-167 = 13

x = 13

Answer 2

The top angle is going to be 110 too so you add 110 and 57 which equals 167. Subtract that from 180 and the answer is x=13

Related Questions

A line has a slope of -2 and passes through the point (3, 1). What is the equation of this line in slope-intercept form?

Question 7 options:

y = -2x + 7

y = -2x + 5

y = 3x + 1

Write the equation of the line that passes through the points (1,4) and (5,8) in standard form. (Ax + By = C)

Question 8 options:

x + 4y = 1

5x + 8y = 4

-2x + y = 5

-x + y = 3

Answers

question 7. y = -2x + 7. y = mx + b; m= slope (-2) (3, 1) resolve for y. you have : 1= -2 (3) + b; 1 = -6 + b; 1 + 6 = b; b = 7.

Answer:

Step-by-step explanation:

just did it

the difference of two numbers is 6. their sum is 20, what are the numbers?

Answers

13 and 7 are the correct numbers

1st number = x

2nd number = x-6

x +x-6 = 20

2x-6 = 20

2x=26

x = 26/2 = 13

13-6 = 7

the 2 numbers are 7 & 13

Which number sentence correctly solves this problem?

Jimmy gave $550 to his favorite charity. He had already given $492 to this charity. How much money did Jimmy give to this charity?

A.
550 + 492 = 942

B.
550 + 492 = 1,042

C.
550 - 492 = 58

D.
550 - 492 = 168

Answers

the answer is B. HOPE THIS HELPS IF SO PLEASE MARK ME BRAINLIEST!! :)

I need help with the second one!!

Answers

since they want to make 1 1/2 of the recipe that means that it is half of the recipe three times so you need to multiply 5/16 by three

For the second one, they are wanting to make 1 and 1/2 the original recipe. This means it is a 50% increase from the original recipe. So, we should multiply 1 and 1/2 by 5/8.
[tex]1 \frac{1}{2} * \frac{5}{8} = \frac{3}{2} * \frac{5}{8}= \frac{15}{16} [/tex]
So, they will need 15/16 cups of coca for the new recipe.

what is the value of the expression

3.2(2.3)-4.8

Answers

the value of the equation is 2.56

Y-b=m(x-a) solve for a

Answers

y-b=mx-am
y-b-mx=am
(y-b-mx)/m=a

What’s 40% in fraction

Answers

40% in a fraction is 2/5 it is also 0.4 in a decimal if you're curious

To write a percent as a fraction in lowest terms, we need to remember that a percent is a ratio that compares a number to 100.

40% can be written as the ratio [tex]\frac{40}{100}[/tex]. [tex]\frac{40}{100}[/tex] is not in lowest terms so we need to divide the numerator and the denominator by 20 which gives us [tex]\frac{2}{5}[/tex].

Therefore, 40% can be written as the fraction [tex]\frac{2}{5}[/tex].

What number is the opposite of the opposite of 5?

Answers

The opposite of 5 is -5. But if you want the opposite of THAT, then it's 5 again.

Answer:

The opposite of 5 is negtive -5. Then you can simplify that to

what is the opposite of -5 and then you could get 5 again

Ronny read for 2.75 hours yesterday. His older brother read for 1.18 hours and his younger brother read for 0.43 hours. How much longer did Ronny read than his two brothers combined?

Answers

I'm pretty sure its 1.14 :)

Ronny read for 1.14 hours more than both of his brothers combined.

What are the expanded forms of the two factors in the equation?

76 × 18 = n

Choose exactly two answers that are correct.

A.
10 + 8

B.
71 + 5

C.
70 + 6

D.
10 × 8

Answers

The answers are C and A

what is -4/5 + 3/20 in simplest form

Answers

-4/5 = -16/20, so the new expression is (-16/20)+(3/20)
then, -16 + 3 is -13, so the solution is -13/20

-4/5 + 3/20 = 3/20 - 4/5

To subtract 2 fractions, they both need to have the same denominator.
Since 5 is one of the divisors of 20, we can just multiply the numerator and denominator of 4/5 by 4.
4/5 = (4*4) / (5*4) = 16/20

P.S. when the denominators of both fractions don't have any relation, you multiply the numerator and denominator of the first fraction by the denominator of the second, and the numerator and denominator of the second by the denominator of the first.

3/20 - 4/5 = 3/20 - 16/20

Now you just subtract the numerators:
3/20 - 16/20 = (3-16)/20 = -13/20

So -4/5 + 3/20 = -13/20

Hope this helps! :)

Selena bought 3.75 lb of meat for $4.64 per pound what is the total cost of the meat

Answers

$17.40 Multiply the weight by how much it costs.

Answer:

$17.40

Step-by-step explanation:

Selena bought 3.75 pounds of meat.

The cost of meat of one pound = $4.64

The total cost of the meat = 4.64 × 3.75

= $17.40

The total cost of 3.75 lb of meat was $17.40.

Does anyone know how to do this

Answers

Step-by-step explanation:

Here is the answer ...hope it helps

a grandmother is making clothes for her three granddaughters. She'll make a jacket and one other item for each granddaughter. The three other items will be exactly the same. A jacket takes 1 5/8 yards of fabric. She had 10 yards of material of. She's trying to figure out how much fabric she has for each of the three extra items. Write a number sentence to represent the situation of the total fabric use.

Answers

If every item will be the same then you would multiply 15/8x4= 7 1/2.
The total amount of fabric use is 7 1/2

The required number to represent the situation is 67/24.

What is the ratio of two numbers?

The ratio of two numbers a and b can be written as a : b = a/b.

The ratio of two quantities is the unit rate of one quantity with respect to the other.

Given that,

The cloth required for jacket is 1(⁵/₈) = 13/8 yards.

Then the remaining cloth for the three other items = 10 - 13/8 = 67/8 yards.

Now, the cloth for each of the items is calculated by taking the ratio as,

(67/8)/3

= 67/24

Hence, the yards of cloth available for each of the item is given as 67/24 yards.

To know more about ratio click on,

brainly.com/question/13419413

#SPJ5

Mitchell travels from the US to Canada, where he exchanges 150 US dollars for Canadian dollars. He then spends 20 Canadian dollars, returns to the US, and exchanges the remaining money back to US dollars. How many US dollars does Mitchell have remaining?

Answers

Answer:

It's 130.66, D

Step-by-step explanation:

:)) yw

Answer:

C. 130.66

Step-by-step explanation:

I just took the assesment and i got it right

Laura family is going on vaction.they will drive 4,180 miles over the next two weeks.about how many miles will they drive on average each week?

Answers

If she can drive 4180 miles in two weeks, it would make sense that she would drive an average of half that distance in one week. Half of 4180 is 2090, so she averaged 2090 miles each week.

On average probably at least 2090 miles each week

What's the absolute value of f(x) = x - 2

Answers

an absolute value is how far the answer is from zero. I am not totally sure what the answer is but that is all I know. My guess is l f(x) = x-2 l
Would anyone like to add on to that?

Keep in mind that the absolute value function has two conditions in its definition: |x| = x if x >= 0, and |x| = -x if x < 0. This ensures that the output of |x| is always positive by negating any potential negative values of x.

So, the absolute value of f(x), |x - 2|, will have two possible values:

x - 2, when x - 2 >= 0, and
-(x - 2) = -x + 2, when x - 2 < 0.

What Is the answer I am really struggling with fractions

Answers

9/5 or 1 & 4/5 is the answer

3 x 3/5 =
3/1 x 3/5 =
3x3/1x5=
9/5 or 1 4/5

At 1 pm, there were 16 seagulls on the beach. At 3 pm, there were 40 seagulls. What is the constant rate of change?

Answers

The answer is (change of amount) / (change of time). For the change of amount, the numerator is 40 seagulls - 16 seagulls, leaving a total of 24 seagulls. For the change of time, the denominator is 3 pm - 1 pm, leaving a total of a 2 hour difference. The answer becomes 24 seagulls / 2 hours, or 12 seagulls per hour when simplified.

How do you write 53.9 in expanded form?

Answers

You are write 53.9 as 53 and 9 tenths.

Hey there!

The "expanding" is adding the number, I believe... It's is the same way of the regular method!

So, your [tex]Answer: 50 + 3 + 0.9 [/tex]

Good luck on your assignment and enjoy your day!

~[tex]MeIsKaitlyn:)[/tex]

What is the Surface Area of this Triangular Prism?

Answers

You will find the area of one triangle face and multiply that by two . use the formula: [tex]A = \frac{1}{2}bh[/tex] . Once you have done that, find the permimeter of the same triangular face by adding the lengths of each side and multiplying by the length 1.2. The perimeter should equal 3.2 for one triangular face (There are multiple ways to do this problem)

in Mr. Rodgersd' Social Studies class the stuents took a test. The scores on the test were: 95, 85, 75, 90, 70, 95, 85, 80, 75, 95, 70, 80, 65. What was the MEDIAN score for the class? A)80 B)81.6 C)85 D)95

Answers

The correct answer would be A) 80 because if we organize all the tests scores from smallest numbers to biggest, and cross out numbers from each side, and keep going till one is left, we see 80 is the last number in the middle. *below is a image of my work.

Order the numbers from least to greatest.

95, 85, 75, 90, 70, 95, 85, 80, 75, 95, 70, 80, 65 becomes

65, 70, 70, 75, 75, 80, 80, 85, 85, 90, 95, 95, 95

The Median is the number in the middle:

80 is your answer

hope this helps

negative 6 to the negative 2 power

Answers

negative one over thirty six

Hey there!

-6⁻²

= -1 * 6⁻²

= -1 * 1/6*6

= -1 * 1/36

= - 1/36

= -1/6²

= -1/6 * 6

= -1/36

Therefore, your answer is: -1/36

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

Can someone write an equation from these coordinates
(1,-9)
(2,-8)
(3,-5)
(4,0)

Answers

y = 3x - 14. use expression y = mx+b where m is slope (use formula for finding slope between any two coordinates) and b is the y intercept, which u can find by using y = mx+b as well and plugging in values

Pre-Cal - Someone please help! (Image Attached)

Answers

Note that [tex]\displaystyle{ \sin30^{\circ}= \frac{1}{2} [/tex] and [tex]\displaystyle{ \cos30^{\circ}= \frac{ \sqrt{3}}{2} [/tex].

From the unit circle, we can check that [tex]\sin30^{\circ}[/tex] and [tex]\sin(-30)^{\circ}[/tex] have the same value, but opposite signs, that is:

[tex]\sin(-30)^{\circ}=-\sin(30)^{\circ}=-\frac{1}{2}[/tex].

Thus,
[tex]\displaystyle{ \cos(x-y)= \cos(-30^{\circ}-60^{\circ})=cos(-90^{\circ})[/tex].

Note that [tex]cos(-90^{\circ})[/tex] is the x-coordinate of the lowest point on the unit circle, that is (0, -1). Thus [tex]cos(-90^{\circ})=0[/tex]

Answer: 0

Below are two different functions, f(x) and g(x). What can be determined about their slopes? f(x) George reads 200 pages in 40 minutes. x g(x) 4 −8 4 10 4 28

Answers

The answer wold be The relationship between slopes cannot be determined

Therefore, since the slope of f(x) is defined and g(x) has an undefined slope, the correct option is: d) The function f(x) has a larger slope.

To determine the slopes of the functions f(x) and g(x), we need to calculate the rate of change or the slope of each function.

The slope of a function represents how much the output (y-value) changes for a given change in the input (x-value).

For function f(x), the rate of change can be calculated as follows:

[tex]\[ \text{Slope of } f(x) = \frac{\text{Change in } y}{\text{Change in } x} = \frac{200 \text{ pages}}{40 \text{ minutes}} = 5 \text{ pages/minute} \][/tex]

Now, let's calculate the slope for function g(x) using the given data points:

[tex]\[ \text{Slope of } g(x) = \frac{\text{Change in } y}{\text{Change in } x} = \frac{28 - (-8)}{4 - 4} = \frac{36}{0} \][/tex]

As the denominator is zero, the slope for g(x) is undefined.

Word problem
Really need help with this, and by end of day today would be best

The total imports of petroleum ( in millions of barrels per day) in a given year is approximated by the polynomial 40x^3 -526x^2+2089x+6056, where x represents the number of years since 1975. The corresponding total of exports of petroleum is -x^3 +13x^2 +29x+189. Write a polynomial that represents how many more barrels per day were imported than exported in a given year.

Answers

What your going to do is multiply the numbers and get your answer and multiply them all by 2.

In this question, you are given the polynomial of the import (40x^3 -526x^2+2089x+6056) and the export (-x^3 +13x^2 +29x+189). You are asked the difference between import and export. Then you need to subtract the export value from import value. The calculation would be:

40x^3 -526x^2+2089x+6056 - (-x^3 +13x^2 +29x+189)=
40x^3 -526x^2+2089x+6056 + x^3 -13x^2 - 29x -189=
41x^3 -539x^2+2060x+5867

Dave has $13 to spend on a $4 book and two birthday cards (c) for his friends. How much can he spend on each card if he buys the same card for each friend?

Answers

He can spend 3.50 on the card for each.

13 - 4 = 9 he can spend 4.50 for each of the card

what is 7.630 in word form

Answers

Answer:

Seven and sixty-three hundredths.

Step-by-step explanation:

We have been given a decimal number [tex]7.630[/tex]. We are asked to write our given number in words.

We can see that our given number has 7 ones as it is in ones place.

We can also see that we have three significant digits after decimal. We can see that 3rd digit after decimal is 0, so we can write the digits after decimal as 63 hundredths.

Therefore, our given number is seven and sixty-three hundredths.

The representation of 7.630 in word form is; Seven and sixty-three hundredths.

Place value of decimal numbers

The given number is; 7.630

The given number can be written as;

7 and 0.630

Hence, the number can be pronounced as;

Seven and 630 thousandths.

However, put simply, the last zero can be ignored so that we have;

Seven and sixty three Hundredths.

Answers

The answer is -11 If you were to divide -35.75 and 3.25 you would get -11

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