Solve for x. Show all work.

Solve For X. Show All Work.

Answers

Answer 1

Answer:

x = 10.

Step-by-step explanation:

By similar triangles:

3x - 5 / (3x - 5 +10) = 20 / 28

3x-5 / 3x+5 = 5/7

7(3x - 5) = 5(3x + 5)

21x - 35 = 15x + 25

6x = 60

x = 10.

Answer 2

Answer:

x= 10

Step-by-step explanation:

By similar triangles:

3x - 5 / (3x - 5 +10) = 20 / 28

3x-5 / 3x+5 = 5/7

7(3x - 5) = 5(3x + 5)

21x - 35 = 15x + 25

6x = 60

x = 10.


Related Questions

PLEASE HELP URGENT I will give brainiest

Answers

Answer: I’ll edit this when I get the photo.

Step-by-step explanation:

Michiko is selling raffle tickets to raise money for the school band. The odds against winning a prize in the raffle are 13:1. What is the probability of winning a prize? Express your answer as a decimal. If necessary, round your answer to the nearest thousandth.
0.929
14
0.071
0.077

Answers

The probability of winning a prize is 0.929 if Michiko is selling raffle tickets to raise money for the school band. The odds against winning a prize in the raffle are 13:1 option first is correct.

What is probability?

It is defined as the ratio of the number of favorable outcomes to the total number of outcomes, in other words, the probability is the number that shows the happening of the event.

We have:

The odds against winning a prize in the raffle are 13:1

This means 13 to 1 odds for winning:

The probability of winning a prize:

Winning = 13/(13+1) = 0.929 or

=92.8571%

Losing = 1 - 0.9286 = (0.0714) or

=7.14%

Thus, the probability of winning a prize is 0.929 if Michiko is selling raffle tickets to raise money for the school band. The odds against winning a prize in the raffle are 13:1 option first is correct.

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Answer:

0.071

Step-by-step explanation:

If the odds against winning a prize are 13:1, then the odds in favor of winning a prize are 1:13.

please help will mark Brainliest!!​

Answers

the answer is the last one

GIVING BRAINLIEST AND 5 STARS TO BEST ANSWER!!! I HAVE 1 HOUR LEFT!!!!!!

Answers

Answer:

The origin is where x,y lines meet. I put a cirlce there with no label there. Sorry it's messy

Step-by-step explanation:

I'm only a 6th grader. No hate, please. I only did what I learned from my teacher.

Evaluate 52+[x divided3] when x=15

Answers

Answer: A. 30

Step-by-step explanation:

    We will plug the value of x, 15, into the given expression. Then, we will use the order of operations, also known as PEMDAS. View attached if you need a review.

5² + (x / 3)

5² + (15 / 3)

25 + (5)

30

      A. 30

In a bag there are 3 blue marbles, 2 green marbles, 4 red marbles, 1 white marble, and 5 yellow marbles. What is the probability of drawing a green marble then drawing a blue marble from the bag? (With Replacement)

Answers

Answer:

So, you must NOT draw a yellow marble on the first draw, a probability of 8/12. Then, you must NOT draw a yellow marble on the second draw, a probability of 7/11. Then you MUST draw a yellow marble on the third draw, a probability of 4/10. So, the three required events, taken together, look like this in lowest terms:

2/3 * 7/11 * 2/5 = 28/165

HOPE IT HELPS!!

You send an email with a file size of 4 kilobytes. One kilobyte is 2^{10} bytes. What is the file size of your email in bytes? Write your answer as a power.

Answers

Answer:

2¹² Bytes

Step-by-step explanation:

One kilobyte is 2¹⁰ bytes.

File size of the email is 4 kilobytes. That is 4 times 1 kilobyte. Therefore multiply with 4.

4 KB = 4 × 2¹⁰ B

Now notice that you can rewrite 4 like 2².

4 KB = 2² × 2¹⁰ B

Use exponental rule (Product Rule):

[tex]a^x + a^y = a^{x+y}[/tex]

4 KB = 2²⁺¹⁰ B = 2¹² B

Find the volume of a cylinder if it has a diameter of 8 and a height of 12. Leave your answer in terms of pi
A) 64 pi
B)192 pi
C) 256 pi
D)768 pi

Answers

Answer:

  B)  192 pi

Step-by-step explanation:

The volume of a cylinder is found from the formula ...

  V = πr²h

where the radius is r and the height is h. The radius is half the diameter.

__

  V = π(8/2)²(12) = 192π . . . . . . using the given values

l

You just drove your car 450 miles and used 50 gallons of gas. You know that the gas tank on your car holds 16 1/2 gallons of gas.
What is the most number of miles you can drive on one tank of gas?

Answers

Answer: 148.5 miles

Step-by-step explanation:

450/50 gals= 9 miles can be driven for every 1 gallon.

Since we now know that our car uses 1 gallon of gas for every 9 miles we drive, we can now multiply the 9 miles with the 16 1/2= 16.5. So 16.5x9=148.5.

With our 16 1/2 gas tank, we can travel at least 148.5 miles before running out of gas.

You spin the spinner once.
9
6
8
7
What is P(odd)?
Write your answer as a decimal.

Answers

Answer: 0.5

Step-by-step explanation:

    The odd numbers in the spinner are 9 and 7. The non-odd numbers are 8 and 6.

     We will put the wanted outcomes over the total possible outcomes.

2 / 4

1 / 2

1 / 2 = 0.5

             P(odd) is 0.5.

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Answers

Volume of a Rectangular Prism = length x width x height

Volume = 20

Length = 2

Width = 2

Height = d

20 = 2 x 2 x d

20 = 4 x d

d = 5

Answer: d = 5 centimeters

Hope this helps!

Answer:

d = 5 cm

Step-by-step explanation:

Volume of a rectangular prism: L*W*H

L = 2 cmW = 2 cmH = d cmV = 20 cm³

Substitute the values above into the formula:

V = L*W*H

20 = 2*2*d

20 = 4d

/4    /4

5 = d

Therefore, the value of d is 5 cm.

Hope this helps!

Researchers found a fertilizer treatment to have a mean plant height of 76 in. and a standard deviation of 3 in. Find the height of a plant treated with this fertilizer that has a z-score of 0.25. Round to the nearest tenth.

Answers

Answer:

milk because ur dad left the milk

Step-by-step explanation:

ur mum bc she is a pro statue

Each of these labelled bags contains two apples.



One bag contains two green apples, another two red apples and the third one green and one red apple.

All three bags are mislabelled. You may look at only one apple from any one of the bags.

Which bag should you select from to be sure you can determine the content of all three bags?

Answers

Step-by-step explanation:

I just answered this.

the key is that ALL current labels are wrong. not "could be wrong", but "definitely wrong".

you need to pick an apple from the originally "red/green" labeled bag.

since that label is wrong, it must be one of the pure color bags.

so, that bag gets the label for the color that we picked.

now we look at the other 2 bags. they are both wrongly labeled, but there are only 2 options : the second color (which we did not use to label the first bag) and "red/green".

the bag with the color label we just assigned to our first bag must therefore get the second color label (if it were "red/green", it would mean that the third bag was actually correctly labeled, which was not the case), and the bag currently with the second color label is the actual "red/green" bag.

Find the volume.
A rectangular prism with length 7 yards, width 6 yards, and height 3 yards.
a.
126 cu. yd
b.
252 cu. yd
c.
147 cu. yd
d.
54 cu. yd

Answers

The volume of the rectangular prism with length 7 yards, width 6 yards, and height 3 yards is 126 cubic yards

What is Three dimensional shape?

a three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.

Given that rectangular prism with length 7 yards, width 6 yards, and height 3 yards.

We have to find the volume of the prism

Volume = length×width ×height

Plug in the values of length , width and height

Volume = 7×6×3

=126 cubic yards

Hence, the volume of the rectangular prism with length 7 yards, width 6 yards, and height 3 yards is 126 cubic yards

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Answer:

A. 126

Step-by-step explanation:

Correct on edge!

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Is 0 03 less than or greater than 0.32

is 5.91 greater or less than 5.01

Is 3.73 greater or less than 3.83​

Answers

The first one: 0.03 is less than 0.32
The second one: 5.91 is greater than 5.01
The third one: 3.73 is less than 3.83

x2 + 4x + 7 is a Monomial

Answers

The given polynomial x² + 4x + 7 is not a monomial it is a trinomial because there are three terms which is x², 4x, and 7.

What is polynomial?

Polynomial is the combination of variables and constants systematically with "n" number of power in ascending or descending order.

[tex]\rm a_1x+a_2x^2+a_3x^3+a_4x^4..........a_nx^n[/tex]

We have given a polynomial:

x² + 4x + 7

As we know, the monomial has only one term.

The binomial has two terms.

The trinomial has three terms.

As we can see in the given polynomial there are three terms which is x², 4x, and 7.

Thus, the given polynomial x² + 4x + 7 is not a monomial it is a trinomial because there are three terms which is x², 4x, and 7.

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Mrs. bell has a 256 ounce bag of potting soil what is the greatest number of 6 ounce pots she can completely fill with soil

Answers

The answer is.. 42 Pots

256 divided by 6 = 42

Hope this helps!!

Books cost $6.95 each. Mary had a $5 bill,a$1 bill.and 3 dimes.How much more money does she need to buy one book?

Answers

Answer:

65 cents

Step-by-step explanation:

5 + 1 + .30 = 6.30

6.95 - 6.30 = .65

find x
4 (x - 2y) - (5x + 3y) = 30
3 (3x + 7y) - 2 ( x + 9y ) = 12

Answers

Answer:

[tex]x = 3[/tex]

Step-by-step explanation:

Expand and rewrite both equations to make y the subject:

[tex]\begin{aligned}4(x-2y)-(5x+3y) & =30\\\implies 4x-8y-5x-3y & =30\\4x-5x-8y-3y & =30\\-x-11y & =30\\x+11y & = -30\\ 11y & = -x-30\\ y & = \dfrac{-x-30}{11}\end{aligned}[/tex]

[tex]\begin{aligned}3(3x+7y)-2(x+9y) & = 12\\\implies 9x+21y-2x-18y & = 12 \\9x-2x+21y-18y & = 12\\7x+3y & = 12 \\3y & = -7x+12\\ y & = -\dfrac{7}{3}x+4\end{aligned}[/tex]

Now solve for [tex]x[/tex] by substitution:

[tex]\begin{aligned}y & = y\\\\\implies \dfrac{-x-30}{11} & = -\dfrac{7}{3}x+4\\\\-x-30 & = 11\left(-\dfrac{7}{3}x+4\right)\\\\-x-30 & = -\dfrac{77}{3}x+44\\\\-x+\dfrac{77}{3}x & =44+30\\\\\dfrac{74}{3}x & = 74\\\\74x & = 222\\\\x & = \dfrac{222}{74}\\\\x & =3 \end{aligned}[/tex]

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Answers

your answer would be 147°

solution:

since ∠x and ∠y are supplementary angles. they must add up to 180°

so ∠+∠y=180°

     ∠x=180°-∠y

     = 180°- 33°

=147

If 4x+2=11, what is the value of 2x-1 ?

Answers

Answer:

Step-by-step explanation:

4x + 2 = 11

4x = 9

x = 9/4

2(9/4) - 1

9/2 - 2/2= 7/2

Find the cardinal number for the following set A.
A= {x | x is a letter in the word aftershock}
The cardinal number of set A is

Answers

Answer:

I hope this answer is correct

a box in the shape of a rectangular prism has a length of 3 5/8 inches a width of 2 1/2 inches and a height of 4 inches. what is the volume of the box

Answers

The volume of the rectangular prism box with the given dimensions is: 36.25 cubic inches.

What is the Volume of a Rectangular Prism?

Volume of a rectangular prism = (length)(width)(height)

Dimensions of the given rectangular prism box:

Length = 3 5/8 = 3.625 inchesWidth = 2 1/2 = 2.5 inchesHeight = 4 inches

Volume of the rectangular prism box = (3.625)(2.5)(4) = 36.25 cubic inches.

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Find the surface area

Answers

Answer:

should be 872 in^2

Step-by-step explanation:

Answer:

Area = 872

Step-by-step explanation:

Formula for the surface area of a rectangular prism is

A=2(wl+hl+hw)

Plug in

A =2·(8·17+12·17+12·8)=872

Please im begging you guys please this page

Answers

Step-by-step explanation:

1) 16

2) 96

3) 40

4) 178.48

5) 17.2

6) 95

7) 50%

8) 25%

9) 72.8%

10) 87.5%

11) 20%

12) 21.4%

16

96

40

178.48

17.2

95

50%

25%

72.8%

87.5%

20%

12.5%

$0.28

10

Jeff’s tip is $1.35, Ellen’s tip is $1.36. Ellen’s tip is 1 cent greater

8 acres

Evaluate sin 360°. Round your answer to the nearest hundredth if necessary.

Answers

Answer:

0

Step-by-step explanation:

just plug it into a calculator

What is the equation of the that contains the point (3,-2) and has a slope of 5?

Answers

Answer:

y = 5x-17

Step-by-step explanation:

point slope form would be

y- -2   =  5(x-3)        or  re-arrange to:    y = 5x -17

- In the 1940s, the U.S. Department of Commerce reported a new way to test the tensile
strength, in pounds per square inch, of concrete. Several samples of concrete specimens
were used to estimate the mean tensile strength of 430 pounds per square inch with a
margin of error of 10 pounds per square inch. After the study was published, another
group proposes to run the same test on concrete specimens but with samples including
many more concrete specimens in each sample. (2 points)
Which of these statements is most likely to be true about the second study?
A. The estimated mean will be greater than 440 pounds per square inch.
B. The margin of error for the second study will likely be around 10 pounds per square inch.
C. The margin of error for the second study will likely be greater than 10 pounds per square inch.
D. The margin of error for the second study will likely be less than 10 pounds per square inch.

Answers

Using the Central Limit Theorem, it is found that the statement that is likely to be true about the second study is given by:

D. The margin of error for the second study will likely be less than 10 pounds per square inch.

What does the Central Limit Theorem states?

It states that the sampling distribution of sample means of size n has standard error [tex]s = \frac{\sigma}{\sqrt{n}}[/tex].

That is, higher sample sizes leads to lower amounts of error, and since the second study has a higher sample size, it should have lower error, hence option D is correct.

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find x.


An image of two parallel lines cut by a transversal. 8x-1 on top line and 3x-9 on bottom line . how do i get x

Answers

To solve this problem, we have to understand that the parallel lines cut will form two alternate angles which are equal to each other. The value of x is equal to -8/5

Alternate Angles

In the given question, we have two alternate angles fixed at opposite end to each other.

Data;

8x - 13x - 9

Since we've established that alternate angles are equal to each other, we can proceed to equate the two angles and solve for x

[tex]8x -1 = 3x - 9\\8x - 3x = - 9 + 1\\5x = - 8\\x =-\frac{-8}{5}[/tex]

The value of x is equal to -8/5

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what is a polygonomial

Answers

Answer:

See below

Step-by-step explanation:

Polynomials are sums of terms in the form of k⋅xⁿ, where k is any number and n is a positive integer. For example, 3x²+2x-5 is a polynomial.

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