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Mashcka [7]
3 years ago
7

Solve for x. 8/x-7=7/2

Mathematics
2 answers:
zloy xaker [14]3 years ago
6 0
X= 9 2/7 ( the first answer is correct )
ad-work [718]3 years ago
3 0
The answer is the first one= 9 2/7
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4x-32=-8 what is the variable x
luda_lava [24]

Hey!

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

Steps To Solve:

4x - 32 = -8

~Add 32 to both sides

4x - 32 + 32 = -8 + 32

~Simplify

4x = 24

~Divide 4 to both sides

4x/4 = 24/4

~Simplify

x = 6

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

Answer:

x = 6

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

Hope This Helped! Good Luck!

8 0
3 years ago
Read 2 more answers
How many different ways can the students at a school select the president, vice president and secretary from a group of 5?
sattari [20]
Answer: 60 ways.
Explanation: Suppose that we had 5 people, A, B, C, D, and E, and we had to select a P, VP, and S.

For the President, we have 5 different selections.
If we choose a president, then we can only pick 1 from 4 people for the VP.
Using the same logic, we'd have 3 different choices for the S.

Hence, we have 5 · 4 · 3 different ways.

Alternatively, this is:

\frac{5!}{(5 - 3)!} = ^{5}P_3 different ways.
4 0
3 years ago
Read 2 more answers
In the figure below, one side of the right triangle is a diameter of the semicircle.
olga55 [171]

Answer:

Option (A)

Step-by-step explanation:

One side of the given triangle is a diameter of the semicircle given.

Measure of the diameter = 10 units

Total area of the semicircle = \frac{1}{2}\pi (r^{2})

                                              = \frac{1}{2}\pi (5)^2

                                              = 39.27 square units

Area of the right triangle = \frac{1}{2}(\text{Base})(\text{Height})

                                         = \frac{1}{2}(6)(8)

                                         = 24 square units

Area of the shaded region = Area of the semicircle - Area of the right triangle

                                            = 39.27 - 24

                                            = 15.27 square units

                                            ≈ 15 square units

Therefore, option (A) will be the answer.

4 0
3 years ago
The nurse researcher is reading about linear regression. what is linear regression
ANEK [815]
Hello there.

   Linear regression is a useful tool that allows calculating approximate values for a function that passes through given points(with the best error possible). It is very useful in science to make an estimation of the comportment of movement, electricity and some decays.

   For example, I will relate a case in a physics lab: We calculated the positions of a car in an air rail and the times. With this information, I was able to make a linear regression to calculate the Position function for that case.
4 0
3 years ago
Read 2 more answers
A new Community Center is being built in Oak Valley. The perimeter of the rectangular playing field is 382 yards. The length of
vesna_86 [32]

Answer:

The width is 50 yards and the length is 141 yards.

Step-by-step explanation:

Let's call: L the length of the field and W the width of the field.

From the sentence, the perimeter of the rectangular playing field is 382 yards we can formulate the following equation:

2L + 2W = 382

Because the perimeter of a rectangle is the sum of two times the length with two times the width.

Then, from the sentence, the length of the field is 9 yards less than triple the width, we can formulate the following equation:

L = 3W - 9

So, replacing this last equation on the first one and solving for W, we get:

2L + 2W = 382

2(3W - 9) + 2W = 382

6W -18 +2W = 382

8W - 18 = 382

8W = 382 + 18

8W = 400

W = 400/8

W = 50

Replacing W by 50 on the following equation, we get:

L = 3W - 9

L = 3(50) - 9

L = 141

So, the width of the rectangular field is 50 yards and the length is 141 yards.

3 0
2 years ago
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