Mathematics College

The figures are similar. Find x.

Answers

Answer 1

6/9=x/21
x=21*6/9
=126/9
x=14

Related Questions

PLZ HELP ITS DUE TONIGHT
Because two pairs of angles are congruent, the triangles are similar by
the (select)
QR=

Answers

AA Criterion.

QR is similar to BC

Hope it helps.

PLEASE HELP ASAP

Maria recently hired a plumber to do some necessary work. On the final bill, Maria was charged a total of $473. The amount listed for parts was $335 and the rest of the bill was for labor. If the hourly rate for labor was $46, how many hours of labor was needed to complete the job?

(A) First write an equation you can use to answer this question. Use x as your variable. The equation is __________________

(B) Solve your equation in part (A) to find the number of labor hours needed to do the job. Answer: The number of labor hours was ________________________

Answers

Answer:

A)473 = 335 - 46x

B) 3

Step-by-step explanation:

473 = 335 - 46x

x = the hours of labor needed.

Solve for x

473 = 335 - 46x

subtract 335 from both sides

138 = 46x

divide both sides by 46

3 = x

Answer:

A) [tex]46x+335=473[/tex] B)[tex]x=3[/tex]

Step-by-step explanation:

473 is the total amount, which means it is the end result

335 represents a constant since it is a base price

the hourly rate is a variable, due to the fact that it depends on how many hours he spent working.

variable + constant = total price

[tex]46x+335=473[/tex]

Now to solve this, first subtract [tex]335[/tex] from both sides

[tex]46x=138[/tex]

Next divide both sides by [tex]46[/tex] to isolate the variable

[tex]x= \frac{138}{46}[/tex]

This can be simplified to: [tex]x=3[/tex]

plz mark me brainliest. ;)

Help me please quick!

Answers

Answer:

Step-by-step explanation:

All angles together in the triangle are 180.

62+90+x=180

x=180-(90+62)

x=180-152

x=28

Which ordered pair best represents the coordinates of
a point that could be the third vertex of the right
triangle?
A (5,-5)
B (-4,6)
© (-3,-6)
D (3,4)
PLS HURRY I HAVE A TEST

Answers

A because you have to have one equal positive and negative

[tex] \sqrt{81 \times 8} [/tex]

Answers

Answer:

Step-by-step explanation:

81 = 9 * 9 = 3 * 3 * 3 *3

8 = 2 * 2 * 2 *2

[tex]\sqrt{81 * 8 } = \sqrt{3*3*3*3*2*2*2}\\\\=3 * 3 * 2 \sqrt{2}\\\\= 18\sqrt{2}[/tex]

Which equation represents a line which is parallel to the line
y= 2x – 8?

Answers

Answer: y=2x

Step-by-step explanation:

Sixteen times a number j is no less than -2

Answers

16x2=32 hope This helps

Help with this work please.

Answers

Answer: x= 10, y= 13. i dont know for sure so i'd wait for someone else to answer

Answer:

x = 12

y = 13

Step-by-step explanation:

by pythagoras theorem

x²=20²-16²

x²=400-256

x²=144

x=12

y²=x²+5²

y²=12²+5²

y²=144+25

y²=169

y=13

What is the sale price of a hardcover book with a markdown of 46% and original price of 29.00 what is the discount amount

Answers

Answer:

15.66

Step-by-step explanation:

First you find what is 46% of 29.00 which is 13.34

Next do 29-13.34 and that is 15.66

that is your answer hope I helped. :)

A cable TV company charges $28 for the basic service plus $8 for each movie channel. Let y be the total cost
in dollars of subscribing to cable TV, using x movie channels. Find the slope-intercept form of the equation.
Look at pic

Answers

Answer:

y= 28x+8

Step-by-step explanation:

What is the value of the expression below when n=5

Answers

Answer:

-6 (i can explain if its needed)

Step-by-step explanation:

[tex]2 - {n}^{2} + 3 \times 14 - {n}^{2} = \\ 2 - {n}^{2} + 42 - {n}^{2} = \\ 2 - 25 + 42 - 25 = - 6[/tex]

????????????????????????

Answers

Answer = (-5,infinite)

A coat at a store is originally priced at $85. The store marks the price down to $68. To the nearest percent, what is the percent markdown of the coat ?

Answers

Answer:

20%

Step-by-step explanation:

This is because the amount decreased is 17 and 17 is what percent of 85? The answer is 20%.

What is 10.5% of 28?

Answers

Answer:

The answer is 2.94

Step-by-step explanation:

10.5x28 divided by 100=2.94

use the bar diagram to help you solve the equation 4x-12=16.

Answers

Answer:

x = 7

Step-by-step explanation:

4x−12=16

Step 1: Add 12 to both sides.

4x−12+12=16+12

4x=28

Step 2: Divide both sides by 4.

4x/4 = 28/4 = 7

x=7

for this graph, mark the statements that are true

Answers

A and b

Hope this helps!!!!!

Brainliest plzzzz

Use distributive property to solve the problem
3 (9 - 10a) - 3a

Answers

Answer:

27- 1 = 26

Step-by-step explanation:

The drawing plan for an art studio shows a rectangle that is 192 inches by 4 inches. The scale in the plan is 2 in: 5 ft. Find the length and width of the actual studio. Then find the area of the actual studio. The length is feet feet the width is feet, and the area is square

Answers

Answer:

Step-by-step explanation:

192in(5ft/2in)=480ft

4in(5ft/2in)=10ft

A=480ft(10ft)=4800ft^2

Find o% of 176:
Find 100% of 176:
Find 50% of 176:
Find 25% of 176:
Find 75% of 176:

Answers

0
176
88
44
132
Hope this helps

i just started taking a math class today and i'm really rusty. my question is
simplify 28-(6+4)=(4-2)

Answers

The answer to this question is 13.

Use the slope formula to determine the slope of the line containing the two points.

(-1, -7) and (-6, -3)

A. 10/7
B. -4/5
C. -1/2
D. -5/4

Answers

the answer would be D

you take y1 - x1 and y2- x2 :)

The daily temperature in the month of March in a certain city varies from a low of 24 degrees F to a high of 40 degrees F. Find a sinusoidal function to model daily temperature and sketch the graph. Let t=0 correspond to noon, when the highest temperature of the day occurs.
Please help I'm in the test.

Answers

Answer:

d(t)=8cos((pi/12)t)

Step-by-step explanation:

I think this is correct...

A=8 b/c 40-24=16, 16/2 = 8

B=2pi/per, 2pi/24, B = pi/12

Which equation represents a line which is perpendicular to the line x – 2y = -14?

Answers

Answer:

any equation that have the slope of -2

A line which is perpendicular to the line x – 2y = -14 will have a slope of -2

What is a slope?

The slope of a line is a measure of its steepness.

Given an equation of a line x – 2y = -14

We know that, the slope of a line perpendicular to another line will have a slope of its negative reciprocal.

Therefore, slope of the line perpendicular to the line x – 2y = -14 will be -2

Hence, equation of the line perpendicular to the line x – 2y = -14 will have a slope of -2

For more references on slope, click;

https://brainly.com/question/3605446

#SPJ2

1. Find the coordinates of the centroid of the triangle with the given vertices.

A(2,3), B(8, 1), C(5,7)

The centroid is ( , )

Answers

9514 1404 393

Answer:

(5, 3 2/3)

Step-by-step explanation:

The centroid is the average of the vertex coordinates:

(A +B +C)/3 = ((2, 3) +(8, 1) +(5, 7))/3 = (2+8+5, 3+1+7)/3 = (5, 3 2/3)

Answer:

46940064

Step-by-step explanation:

The angle of inclination is the angle between the horizontal and the ramp.

Using the sine ratio in the right triangle formed by the ground and the ramp

let x be the angle of inclination, then

sinx = \frac{opposite}{hypotenuse}

hypotenuse

opposite

= \frac{0.7}{4.2}

4.2

0.7

, then

x = sin^{-1}sin

−1

(\frac{0.7}{4.2}

4.2

0.7

) ≈ 10° ( to the nearest degree )

(2)

Again there is a right triangle between the ground and the vertical height of the kite, with hypotenuse being length of string.

let y be the height of the kite and x the horizontal distance, then

sin27° = \frac{opposite}{hypotenuse}

hypotenuse

opposite

= \frac{y}{176}

176

( multiply both sides by 176 )

176 × sin27° = y , then

y ≈ 80m ( to the nearest metre ) ← height of kite

and

cos27° = \frac{adjacent}{hypotenuse}

hypotenuse

adjacent

= \frac{x}{176}

176

( multiply both sides by 176 )

176 × cos27° = x , then

x ≈ 157m ( to the nearest metre ) ← horizontal distance

All even numbers
greater than two, can be written
as the sum of two prime numbers
Peter
Give three examples that show that Peter is correct.

Answers

Answer:

Step-by-step explanation:

3 + 5 = 8

7 + 11 = 18

11 + 19 = 30

4/5 divided by 3/4 =

Answers

Answer:

16/15 or 1 1/15

Step-by-step explanation:

4/5 divided by 3/4

Flip 3/4 so it is 4/3

Multiply 4/5 by 4/3

16/15

If you receive $300,000 from the sale of your house and the agent got 7% of the selling price, then the agent got $21,000 and the selling price was $321,000. true or false

Answers

Answer:

true

Step-by-step explanation:

14 minus a number equals the same number plus 8

A) x= 4 b) x=5 C) x=7 D) x=3

Answers

Answer:

b- x=5

Step-by-step explanation:

14-5=8 so your answer would be b

How Many Times Done 16 go Into 78!??!!!!?!!?!??!?!?! HELP ME!!!

Answers

Answer:

4.87500

Step-by-step explanation:

hope this helps

Answer:

4.875

Step-by-step explanation:

78 divided by 16 = 4.875

Which of the following options 70

Answers

uh maam u have to put the answers to find 70

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