Find the value of x.

Find The Value Of X.

Answers

Answer 1

Answer:

20

Step-by-step explanation:

angles on a straight line

(x+20)+7x

open bracket

8x +20 = 180

collect like terms

8x= 180-20

8x=160x

x=160/8

x =20


Related Questions

Stan’s Skate Shop is having a sale on skateboards. The original price for its Extreme Skate Board was $84.50. The sale price for the skateboard is $50.70. What is the percent decrease in the price of the skateboard?

Answers

Answer:

It is 60%

Step-by-step explanation:

84.50 x 0.60% = 50.7 (also 50.70)

I hope my answer helps even though I am in middle school :)

The required percent decrease in the price of the skateboard is 40%.

The original price for its Extreme Skate Board was $84.50. The sale price for the skateboard is $50.70. What is the percent decrease in the price of the skateboard is to be determined.

What is the percentage?

The percentage is the ratio of the composition of matter to the overall composition of matter multiplied by 100.

Here,
Original price = $84.50
sale price = $50.70
Percent decrese = 84.50-50.70/84.50 × 100 = 40%

Thus, the required percent decrease in the price of the skateboard is 40%.

Learn more about percentages here:

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Given D(5, 7) and E(3, -3), find the midpoint of DE.​

Answers

Answer:

[tex](4,2 )[/tex]

Step-by-step explanation:

Midpoint Formula: [tex](\frac{x_1+x_2}{2},\frac{y_1+y_2}{2} )[/tex]

Simply plug in your 2 coordinates into the midpoint formula to find midpoint:

[tex](\frac{5+3}{2},\frac{7-3}{2} )[/tex]

[tex](\frac{8}{2},\frac{4}{2} )[/tex]

[tex](4,2 )[/tex]

Can some pleaseeee help me here I don’t really understand (I’ll give a brainliest to the one that’s right :) ITS DUE TODAY

Answers

Answer:

You would use > and <, if the first number is greater than the other, you would use >, and vice versa. For the others, you would write the numbers in the order stated, for example, 0, 5, and -7 would be written as -7, 0, 5, -7 being the smallest number, and 5 being the biggest number. Hope this helps.

Answer:

1: <

2: >

3: <

4: <

5: >

6: >

7: _-7_0_5_

8:  _-10_3_10_

10: _-1/2_-8_0_1/2

There are the answers, the only one im not sure about is 10

Solve the system of equations by the substitution method.

5x + 10y = 25
2x + 12y = 18

Answers

Answer

5x + 10y = 25    x=1  y=2

2x + 12y = 18    x=3  y=1

plz mark brainliest

also plz try to answer this question

i just need x and y please

Answers

Answer:

Step-by-step explanation:

Since you know both triangles are congruent, you can say that the corresponding sides are equal. For example, you can say:

17x+3 = 57

because they are corresponding sides of both triangles. To further solve the equation:

17x = 54 --> x = 54/17 --> 3 3/17

Same thing for Y. lines PX and FD are congruent, so, you can say:

4y-3 = 54

4y=57

y= 14.25

1. In the multiplication problem shown below, label
each factor and the product.
5•10• 50


Answers

Answer:

2,500

Step-by-step explanation:

Help please I’m gonna fail

Answers

Answer:

Step-by-step explanation:

1) 0

2) 19

3) -6

4) -27

5) -35

6) 20

7) -75

8) -8

9) 183

10) 0

please give award!

Let f(x)= x^2 -5x+4 and g(x)=2^x-3

Answers

Answer:

Plug g(x) into all the x values in your f(x) and the answer is 3 because it makes the denominator 1-1 which makes it 0 and is thus discontinuous

Step-by-step explanation:

PLEASE HELP
Giada earns a salary of $42,670 a year and is paid every two weeks. What is her gross pay per pay period?

Answers

Answer:

She would get $1647.2 biweekly.

Step-by-step explanation:

There are 52 weeks in a year.

52 ÷ 2 = 26

Money divided biweekly.

42, 670 ÷ 26 = 1, 641.3

What is the expanded form of 894?

Answers

Answer:

Hope this helps! <3

( Pic Below )

Answer:

800+90+4

Step-by-step explanation:

800+90=890 and 890+4=894

HOPE THIS HELPS

Which statement can be concluded using the true statements?
If a quadrilateral has 4 equal sides and 4 equal angles, then it is a square.
If a figure is a square, then each of its angles must measure 90 degrees.
If a quadrilaterál has 4 equal sides and 4 equal angles, then each of its angles must measure 90 degrees.
If a quadrilateral has 4 equal sides and 4 equal angles, then none of its angles measures 90 degrees.
If all four angles in a quadriateral measure 90 degrees, the quadrilateral is a square.
If all four angles in a quadriateral measure 90 degrees, the quadrilateral cannot be a square.

Answers

Answer:

A) If a quadrilateral has 4 equal sides and 4 equal angles, then each of its angles must measure 90 degrees.

Step-by-step explanation:

just did the unit review on edgenutiy 2020

hope this helps :)

Answer:

A) If a quadrilateral has 4 equal sides and 4 equal angles, then each of its angles must measure 90 degrees.

Hope it helps!! :)

Write a word phrase for each expression. 2(n+1)

Answers

Answer:

A number increased by one multiplied by two.

Two distributed into a number and one.

Step-by-step explanation:

First one is way more likely.

Dave is making lemonade. For each 8 cups of water, he uses 3 cups of lemon juice and 2 cups of sugar. If w the number of cups of water, l is the number of cups of lemon juice, and s is the number of cups of sugar, which equations are correct?
Select all that apply
A. l=3/8w
B. l=3s
C. l=2/3s
D. w=2/8L
E. w=4s

Answers

Answer:

Can someone please help i picked C,A I really dont know so dont copy me someone please help us

Step-by-step explanation:

Please help me solve for angle B!!

Answers

I believe it is 50 degrees

Explanation:

180-115 = 65 degrees

Since the base angles of of an isosceles triangle are equal,

Angle C =angle A= 65 degrees

65 times 2 = 130

180-130=50

50 degrees=measure of angle B

Hope this helps

What is the quotient for 3 and 3/4 divided by 5 and 5/8

Answers

Answer:

It's 9 3/8! :)

Step-by-step explanation:

Write the expression as a power of 2, then find its value.
a) 2^4·2

Answers

Step-by-step explanation:

((2^2)^2)*2

=(4^2)*2=16*2=32

14 is no less than 8 times a number x plus 6.

Answers

Answer:

14 (insert less than or equal symbol)8x+6

Hope this helps! i hope the symbol is right!

What is The opposite of -4

Answers

The opposite of -4 is 4

Which equation represents the graph shown?

Answers

Step-by-step explanation:

The graph is a linear equation starting at 0.

form y = mx + b.

starts at 0, so b = 0, so the 2nd and 3rd choices are incorrect.

change in y/change in x is the slope,

and you can see it goes up about 35 in the y direction for every 1 in the x, so the slope is 35.

so it's the first answer.

The linear equation of the graph is y = 35x. So, the option first is correct.

What is a linear equation?

A linear equation is an equation in which the highest power of the variable is always 1. The standard form of a linear equation in one variable is of the form y = mx + b.

The graph is a linear equation origin at 0.

Since b = 0, the 2nd and 3rd choices are incorrect.

The slope = change in y/change in x

Here, we can see that it goes up about 35 in the y-direction for every 1 unit of in the x, so the slope is 35.

so the first answer is correct which is y = 35x.

Learn about linear equations here:

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Due Wed 10/21/2020 11:30 po
The length of a rectangle is 3 inches more than the width. The area is 28 square inches. Find the dimensions.
inches.
The length of the rectangle is
inches, while the width is
C
Get Help:
Video
eBook
Points possible: 1
Unlimited attempts.
MA
Submit
11)
/1)
311)
0111

Answers

Answer:

MARK AS BRAINLIST

w = 4

L = 7

Step-by-step explanation:

L = length of rectangle

w = width of rectangle

L = 3 + w

A = 28

A = L*w

=(3+w) * w

28 = 3w + w^2

w^2 + 3w - 28 = 0

w^2 + 7w - 4w - 28 = 0

w ( w + 7 ) - 4 ( w + 7 ) =0

( w - 4 ) ( w + 7 ) = 0

w = 4. and w = -7

take the postive value, w = 4

therefore L= 3+4 = 7

Picture attached below. Please help.

Answers

Answer:

i think the answer is -5

Step-by-step explanation:

insert -4 where the x is in the equation and solve


Identify the number of decimal places in each factor.

0.47
× 3.2


The number of decimal places in 0.47 is .
The number of decimal places in 3.2 is .
The number of decimal places in the product will be the sum of the factors’ decimal places. So the product will have decimal places.

Answers

Answer:

Step-by-step explanation:

Identify the number of decimal places in each factor.

    0.47

  × 3.2

The number of decimal places in 0.47 is

✔ 2

.

The number of decimal places in 3.2 is

✔ 1

.

The number of decimal places in the product will be the sum of the factors’ decimal places. So the product will have

✔ 3

decimal places.

To find the quotient Three-fourths divided by one-eighth, multiply Four-thirds by One-eighth. multiply Three-fourths by 8. multiply Four-thirds by 8. multiply Three-fourths by One-eighth.

Answers

Answer:

multiply Three-fourths by 8.

Step-by-step explanation:

Answer: B multiply Three-fourths by 8.

Step-by-step explanation:

The value of an ambulance depreciated by 17.5% from the purchase price of $35,400 a
year ago. What is its current value?​

Answers

Answer:

29,205

Step-by-step explanation:

100% - 17.5% = 82.5%

82.5% * 35,400 = answer

make percent a decimal

.825 * 35,400 = 29,205

29,205 is answer

The required current value of the ambulance is given as $29,205.

What is the percentage?

The percentage is the ratio of the composition of matter to the overall composition of matter multiplied by 100.

Here,

The value of an ambulance depreciated by 17.5% from the purchase price of $35,400 a year ago.

Current price = 35400[1 - 0.175]
Current price =  $29,205

Thus, the required current value of the ambulance is given as $29,205.

Learn more about percentages here:

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PLEASE HELP IM BEING TIMED!!!
WILL MARK BRAINLIEST FOR CORRECT!
100 PTS!!!
Which graph shows h(x) = (f(x))(g(x))?

Answers

Hi! I'd be happy to help you. However, there is not enough information here for us to help, as there is no way to tell which graph is correct without the equations of f(x) and g(x). They'd look something like:

"f(x) = x-2," or "g(x) = 7x+3."

Are you able to provide the equations of of f(x) and g(x)? I would be more than happy to help.

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

UPDATE: I did not realize that you could solve this problem without the original equations. Please refer to the other user's response for an amazing and detailed explanation of this problem! :)

Answer:

The first graph.

Step-by-step explanation:

We want to find the graph that shows:

[tex]h(x)=f(x)g(x)[/tex]

Notice that g(x) is a line and f(x) is a quadratic.

So, their product must be a cubic.

Also, g(x) and f(x) is the same across all four graphs. The only difference is h(x).

Notice that our quadratic f(x) is curving upwards. Therefore, the leading coefficient of f(x) is positive.

Notice that the line g(x) is sloping downwards. Therefore, the leading coefficient of g(x) is negative.

So, this means that the leading coefficient of our cubic h(x) must be negative since a positive times a negative yields a negative.

Remember that the parent cubic function has a positive leading coefficient and it rises from left to right.

So, if our leading coefficient is negative, the cubic will fall from left to right.

Therefore, we can eliminate the 2nd and 3rd graphs since in those two, h(x) has a positive leading coefficient.

Now, we can just pick a test point and determine whether our graph is the first or the fourth.

Let's let x = -2. So, we have the equation:

[tex]h(x)=f(x)g(x)[/tex]

Substitute all Xs for -2s:

[tex]h(-2)=f(-2)g(-2)[/tex]

Looking at the graphs, we can see that f(-2) is 8. g(-2) is 0.5. Substituting this back, we get:

[tex]h(-2)=8(.5)=4[/tex]

So, h(-2) should be 4.

For the first graph, h(-2) is indeed 4.

For the second graph, h(-2) is 6.

So, the correct graph that represents f(x)g(x) is the first graph.

And we're done!

There are 3 different cheeses at the deli. Yasuko buys Three-fourths of a pound of each. There are also 4 different meats. She buys One-half of a pound of each. How much total meat and cheese did Yasuko buy at the deli?

Answers

Answer:

Yasuko buys 2.25 pound of cheeses and 6 pound of meats at the deli

Step-by-step explanation:

3 x 3/4 = 2.25 pound cheese

4 x 1.5 = 6 pound of meat

Answer:

4  1/4

Step-by-step explanation:

I did the test

50 POINTS!!! PLEASE HELPPPPP
Plot 1 2/5, −1/2, and −2 1/10 on the number line.

Answers

Answer:

the answer is -1 1/5

Step-by-step explanation: 7/5

Answer:

-1 1/5

Step-by-step explanation:

Young Professional magazine was developed for a target audience of recent college graduates who are in their first 10 years of a business or other professional career. The magazine has been fairly successful and the publisher is interested in expanding the publication's advertising base. As a recent hire into the marketing department at the magazine, you have been asked to help develop a survey asking readers demographic information and questions about their interests. Your survey results will be used to help the magazine choose articles of interest and provide advertisers with a profile of subscribers.The culmination of your work will be a presentation of your findings to management. Therefore, you not only have to present summary data, but must also be able to explain the results in a manner that is accurate and easy to understand.After running your analysis, the software returns the following information about the age of the respondents:Which statement should you use to explain the 95% confidence interval to management?a. We are 95% confident that the interval 29.7215 to 30.5029 includes the population mean age of all respondents.b. We are confident that 95% of our readers have ages between 29.7215 to 30.5029.c. There is a 95% probability that the population mean age of all respondents lies within the interval 29.7215 to 30.5029.d. We are 95% confident that the interval 29.7215 to 30.5029 includes the sample mean age of all respondents.

Answers

information about the age of the respondents is missing, so i have attached it.

Answer:

Option A: We are 95% confident that the interval 29.7215 to 30.5029 includes the population mean age of all respondents.

Step-by-step explanation:

From the attached information given, we see that under the 95% Confidence interval column, that the corresponding mean age of all respondents is the interval 29.7215 to 30.5029.

Now, the mean is population mean because it's the mean of all the respondents in the population.

Thus, the correct answer is;

We are 95% confident that the interval 29.7215 to 30.5029 includes the population mean age of all respondents.

Kate has $7 in her lunch account. She spends $3 each day on lunch for 5 days. What
is the balance of her lunch account after the 5th day?​

Answers

Answer:-7

Step-by-step explanation:

Answer:

$-8

Step-by-step explanation:

Subtract 3 from 7 for the first day. She has $4 left

Subtract 3 from 4 for the second day. She has $1 left

Subtract 3 from 1 for the third day. She has $-2 left

Subtract 3 from -2 for the fourth day. She has $-5 left

Subtract 3 from -5 for the fifth day. She has $-8 left in her lunch account

Youssef typed a 36 word paragraph in 2/3 minutes what is his typing speed in words per minute

Answers

36/ 2/3 = 6
Answer:
6 words per minute
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