The polygons are similar solve for x

The Polygons Are Similar Solve For X

Answers

Answer 1

Answer:

x=12

Step-by-step explanation:

14/21=16/(x+12)

cross multiply

14(x+12)=16(21)

14x+168=336

14x=336-168

14x=168

x=12 (so the side would be x+12=24)

You could also see that 14 is 2/3 of 21, so 16 has to be 2/3 of x+12.  That means x+12 would have to equal 24.  If you take the 12 away from 24, x=12.


Related Questions

in a window display at a flower shop, there are 3 spots for 1 plant each. to fill these 3 spots, adam has 7 plants to select from, each of a different type. Selecting from the 7 plants, adam can make how many display arrangements with 1 plant in each spot? (Note: the positions of the unselected plants do not matter.)

Answers

Answer: 210

Step-by-step explanation:

We know that the number of combinations of n things taken r at a time is given by :-

[tex]C(n,r)=\dfrac{n!}{r!(n-r)!}[/tex]

So, number of ways to select 3 plants out of 7 = [tex]C(7,3)=\dfrac{7!}{3!4!}=\dfrac{7\times6\times5\times4!}{6\times 4!}=7\times5=35[/tex]

Also number of ways to arrange them in 3 positions = 3! = 6

Now , total number of arrangements with 1 plant in each spot = (number of ways to select 3 plants out of 7) x (number of ways to arrange them in 3 positions)

= 35 x 6

=210

Hence, required number of ways = 210

Since, the arrangement does not matter, we use the principle of combination, Hence, the number of display arrangement possible is 210

Total number of plants = 7 Number of spots = 3

This could be defined thus as : (7C3) × 3! ;

3! = number of ways to arrange the 3 plants into the 3 spots

Recall :

nCr = [tex] \frac{n!}{(n-r)!r!} [/tex]

7C3 = [tex] \frac{7!}{(7-3)!3!} = \frac{7!}{4!r3!} [/tex]

7C3 = [tex] \frac{7×6×5}{6} = 35 [/tex]

3! = 3 × 2 × 1 = 6

(7C3) × 3! = 35 × 6 = 210 ways

Therefore, there are 210 possible arrangements which can be made.

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Cheyenne is playing a board game. Her score was -275 at the start of her turn, and at the end of her turn, her score was -425. What was the change in Cheyenne’s score from the start of her turn to the end of her turn?

Answers

she lost 150 points

Find an equivalent ratio in simplest terms:
48:16

Answers

Step-by-step explanation:

what can go in

both numbers

2,4,8

let use 8 since u said to the simplest form

48÷8=6

16÷8=2

therefore, 6:2

Determine whether each pair of lines are parallel, perpendicular, or neither. line n: y = -2x-4 line m: y = -2x+8

Answers

The given lines n: y = -2x-4 and line m: y = -2x+8 are neither parallel nor perpendicular

What is parallel and perpendicular lines?

The slope of the parallel line is 0 and the slope of the perpendicular line is undefined.

The lines are parallel if their slopes are the same but their y-intercepts differ. The lines are not parallel if the slopes differ. Perpendicular lines, unlike parallel lines, do intersect. Their intersection creates a 90-degree angle.

Here given line ,

y = -2x - 4

= y = 2x + 4

Since this is in mx + b form ,

m is the slope

So slope = 2.

Given another line = -2x + 8

Slope = -2

Since slopes are not equal they are not parallel .

Since slopes are not negative reciprocal they are not perpendicular .

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A scanner scanned 72 photos in 8 minutes. If it scans photos at a constant rate, it can scan
photos in 23 minutes.

Answers

it can scan 207 photos in 23.

How do i get the answer to -x-4+3x= -5x -18

Answers

Answer:

x = - 2

Step-by-step explanation:

Given

- x - 4 + 3x = - 5x - 18 , that is

2x - 4 = - 5x - 18 ( add 5x to both sides )

7x - 4 = - 18 ( add 4 to both sides )

7x = - 14 ( divide both sides by 7 )

x = - 2

Answer:

Hope it can help you.........

Please mark me as a brainlist........

Thank you.......

The opposite of -8/9 is

Answers

I’m pretty sure the opposite will be 8/-9

Step-by-step explanation:

-9/8 is it's resiprocal

MATH FRACTIONS!!
What is 3/4 divided by 5/6 how to solve it the step by step. I NEED IT

Answers

Answer:

9/10

Step-by-step explanation:

the rule says

[tex]\frac{a}{b} /\frac{c}{d} =\frac{ad}{bc}[/tex]

so in our case

a=3

b=4

c=5

d=6

so the division is

[tex]\frac{3*6}{4*5} \\\\=\frac{18}{20}[/tex]

we can simplify

[tex]\frac{18}{20} \\\\=\frac{2(9)}{2(10)} \\\\=\frac{9}{10}[/tex]

that's our answer

I don't know if you need step by step of the rule, if you need let me know

The division of the fractions are solved and A = 9/10

Given data ,

Let the equation be represented as A

Now , the value of A is

Let the numerator of the fraction be p

where the value of p =  ( 3/4 )

Let the denominator of the fraction be q

where q = ( 5/6 )

Now , the fraction is A = p/q

On simplifying the expression , we get

So , the left hand side of the equation is equated to the right hand side by the value of p/q

A = ( 3/4 ) / ( 5/6 )

A = ( 3/4 ) x ( 6/5 )

On further simplification , we get

A = ( 18 / 20 )

A = 9/10

Therefore , the value of A = 9/10

Hence , the fraction is A = 9/10

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If f(x) = x/2 + 8, what is f(x) when x = 10?
4
9
13
36

Answers

Solution:

f(10) = 10/2 + 8

f(10) = 5 + 8

f(10) = 13

Best of Luck!

NEED HELP ASAP!!!!!!!!
What was the ratio of combat deaths by diseases?
IN THE CIVIL WAR

Answers

Answer:

The ratio is 2:3

Step-by-step explanation:

There was 750,000 total deaths in the civil war

About 500,000 of these deaths were due to disease and uncleanliness.

To simplify, 50:75 is 10:15 or 2:3.

To solve ratios, just simplify down as much as possible.

Find the slope and y intercept

y = - 2/3x + 4

Answers

Answer:

slope: -2/3    y intercept: (0,4)

Step-by-step explanation:

40 percent of what number is 520. draw a diagram of the problem

Answers

Answer:

Step-by-step explanation:

the number is 1300 if we have 40% from it will give us 520

This the formula for the area on a rectangle: Area=(base)(height)
A = bh
Solve for b

Answers

Answer:

b = A / h

Step-by-step explanation:

A = b * h

Dividing the equation by h to get b on one side give us:

A / h = b * h / h

A / h = b * 1

A / h = b

b = A / h

Measuring Angles. Please help me this is due at 11:59 today ​

Answers

Answer:

115 degrees

Step-by-step explanation:

14x+3+4x+10=157

14x+4x+3+10=157

18x+13=157

18x=157-13

18x=144

X=8

14x+3

(14×8)+3

112+3=115

Vanessa is creating centerpieces for a reception. Each centerpiece will consist of eight flowers arranged around one candle. Vanessa will create 20 of these centerpieces. Each candle costs $6.00, and each flower costs $1.50. What is the final cost of the centerpieces? $120.00 $240.00 $360.00 $480.00​

Answers

Answer:

360

Step-by-step explanation:

If you multiply 20 by 6 you get 120

then if you multiply 1.50 by 8 you get 12

then multiply 12 by 20 which equals 240

add 240 by 120 you get your final answer 360

You randomly draw twice from this deck of cards
What is the probability of drawing a 3, then drawing an even number without replacing the first card?

Answers

Answer:

1/10 or 10%

Step-by-step explanation:

There are 6 numbers:

8, 6, 6, 3, 7, 7

Probability of drawing 3 is:

1/6

Then probability of drawing an even number is:

3/5 as 3 even numbers out of 5 total numbers left

Combination of two above is:

1/6*3/5 = 1/10 = 10%

Twice the difference of a number and 5 is 30.
Find the number.

Answer:
A. 20
B. 18.5
C. 10
D. Not here​

Answers

Let x be the number:

Twice the difference of a number and 5 is 30:

2(x - 5) = 30

Divide both sides by 2:

x - 5 = 15

Add 5 to both sides:

x = 20

Ans: A


Find the surface area of Earth if the equator is about 24, 902 miles long. Round to the nearest thousand square miles.
O A. 197,387,000 mi 2
O B. 198,227,000 m2
O C. 147,347,000 mi2
D. 297, 387, 000 mi2

Answers

C.147,347,000 mi2 creó jeje

what is the value of x in 6 - 4x = 7x - 9x + 10

Answers

Answer:

x = - 2

Step-by-step explanation:

Given

6 - 4x = 7x - 9x + 10, that is

6 - 4x = - 2x + 10 ( add 2x to both sides )

6 - 2x = 10 ( subtract 6 from both sides )

- 2x = 4 ( divide both sides by - 2 )

x = - 2

Answer: x = -2

Step-by-step explanation:

could someone please help me , i just want to know how is it done & I’ll understand .

Answers

2/5=0.4 2/1/8=17/8 4/33=0.121 -6/11= -0.54

Answer:

Step-by-step explanation:

1) 2/5= 0.4

2) 2 1/8= 2.1

3) 4/33= 0.12

4) -6/11= -0.54

Explanation:

In fractions, the numerator is the number above the line and the denominator is the number below.

The line in a fraction that separates the numerator and the denominator represents division.

To convert a fraction to a decimal, divide the numerator by the denominator.

Which of the following is not a property of a rectangle?
A. Both pairs of opposite sides are parallel
B. Each angle measures 90o
C. Diagonals are congruent
D. All sides are congruent

Answers

The correct answer is d

Evaluate the expression
9ab + c if a=-7, b=9, and c = 4

Answers

Answer:

-563

Step-by-step explanation:

a = -7 , b = 9 , c = 4

9ab +C

9 × -7 × 9 + 4

81 × -7 + 4

-567 + 4

-563

A recipe uses 12 tablespoons of butter to make 60 servings. How many tablespoons of butter will be used to make 20 servings? A-3 B-4 C-6 D-8

Answers

Answer:

B. 4 tablespoons

Step-by-step explanation:

Let’s make a proportion using the following setup:

tablespoons/servings=tablespoons/servings

We know that 12 tablespoons are needed for 60 servings.

12/60=tablespoons/servings

We don’t know how many tablespoons are needed for 20 servings. We can say x tablespoons make 20 servings.

12/60=x/20

Want want to solve for x, so we must isolate x. x is being divided by 20. The inverse of division is multiplication. Multiply both sides of the proportion by 20.

20*(12/60)=(x/20)*20

20*12/60=x

20*0.2=x

4=x

x= 4 tablespoons

4 tablespoons of butter are used to make 20 servings.

this is my little brothers work n I don’t even understand it either helpppp

Answers

Answer:

92

Step-by-step explanation:

Answer:

92

Step-by-step explanation:

4+4+4 is 12. So you carry the 1 to the tenths place and keep the 2.

(1)

64

 14

+14

------

   2

Then you add 1+6+1+1, which is 9.

(1)

64

 14

+14

------

 92

What is a rotation in geometry?

Answers

Rotation is transformation that turns a figure clockwise or counterclockwise. The pre-image and image are congruent in a rotation

If a number is odd, then it is an integer and a prime number.
Which is the conclusion of the conditional?

Answers

Answer:

The conclusion of the conditional statement is;

it is an integer and a prime number

Step-by-step explanation:

The statement that the argument claims to be true or the statement that the rest of a conditional statement leads to is the conclusion of a conditional statement

Given a conditional statement, also known as an if-then statement, which can be represented symbolically as p → q, such that the hypothesis is p and the conclusion is q.

In the given statement, the hypothesis, p = a number is odd, while the conclusion, q =  it is an integer and a prime number

Therefore, the conclusion of the conditional statement is it is an integer and a prime number.

However, only the converse of the statement is true, which is given as follows;

If a number is an integer and a prime number, then it is an odd number

what are the new coordinates of A(5, -3) after reflecting it across the y-axis

Answers

Answer:

The new coordinates would be (-5,-3)

Step-by-step explanation:

Reflecting a point of the y-axis changes the sign of the point's x-coordinate.

What is J
6-7j-19= -83

Answers

Answer:

j=10

Step-by-step explanation:

6-7j-19=-83

-7j-13=-83

-7j=-70

j=10

Solving Inequalities

Algebra 1​

Answers

Answer:

x<0

Step-by-step explanation:

Let's solve your inequality step-by-step.

−4+

x

3

<−4

Step 1: Simplify both sides of the inequality.

1

3

x−4<−4

Step 2: Add 4 to both sides.

1

3

x−4+4<−4+4

1

3

x<0

Step 3: Multiply both sides by 3.

3*(

1

3

x)<(3)*(0)

x<0

Angle PSR measures 99°.

Point S has three lines extending from it. One line extends to point P, another to point Q, and the other to point R. Angle P S Q is (3 x + 18) degrees. Angle Q S R is (9 x minus 27) degrees.
What is the measure of AnglePSQ in degrees?

Answers

Answer:

Option C: 45 degrees

Step-by-step explanation:

edge2021

Answer:

C) 45°

Step-by-step explanation:

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