Solve mathematics problem in photo please!

Answers

Answer 1

Answer: Hello,

8/(x-7)=7/2
==>(x-7)*7=8*2
==>7x-49=16
==>7x=65
==> x =9+2/7

Answser A

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Find the value of f (-9)
8a2 + 6a = 5 how do I do this?

Assume that random guesses are made for nine multiple choice questions on an SAT test, so that there are nequals9 trials, each with probability of success (correct) given by p equals 0.35. Find the indicated probability for the number of correct answers. Find the probability that the number x of correct answers is fewer than 4.

Answers

Answer: Find the probability that the number x of correct answers is fewer than 4 = 0.6087

Step-by-step explanation: Please find the attached files for the solution

the base of a jewelry box is a square with a side length of 5 1/2 inches. the box is 2 inches high. what is the volume of the box?

Answers

The volume of the jewelrybox is 60 1/2 cubic inches.

The area of a square with a side length of 5 1/2 inches can be found by multiplying the length of one side by itself, giving:

Area = (5 1/2) × (5 1/2) = 30 1/4 square inches

The height of the box is 2 inches.

Therefore, the volume of the jewelry box can be found by multiplying the area of the base by the height of the box, giving:

Volume = Area x Height = (30 1/4) × 2 = 60 1/2 cubic inches

Thus, the volume of the jewelrybox is 60 1/2 cubic inches.

Learn more about the volume here:

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A share of stock in the Bree Medical Supply Company is quoted at 35 1/4 . Suppose you hold 20 shares of that stock, which you bought at 31 1/2. If you sold your stock at 35 1/4, which of the following would be true? A. You suffered a loss of $75.00.
B. You made a profit of $705.00.
C. You suffered a loss of $630.00.
D. You made a profit of $75.00.

Answers

In the given question, there are several information's of immense importance. The information's are:
Cost Price of a stock of Bree Medical Supply = 31 1/2
   = 63/2 dollars
Cost at which the 20 stocks of Bree Medical Company bought = (63/2) * 20
   = 630 dollars
Sale price of each stock = 35 1/4 dollars
Sale price of each stock = 141/4 dollars
Sale price of 20 stocks = (141/4) * 20
= 705 dollars
Then amount of profit made = (705 - 630) dollars
      = 75 dollars
So it can said that the statement you made a profit of $75 and so option "D" is the correct option.

What is the value of a in the equation 3a + b = 54, when b = 9?

Answers

If you would like to solve the equation 3 * a + b = 54, when b = 9, you can calculate this using the following steps:

b = 9
3 * a + b = 54
3 * a + 9 = 54
3 * a = 54 - 9
3 * a = 45 /3
a = 45/3
a = 15

The correct result would be 15.

$3a+b=54\n\n Substitute\ b\ =\ 9\ into\ the\ equation.\n\n3a+(9)=54\n\nSubtract\ 9\ on\ both\ sides.\n\n3a=45\n\nDivide\ by\ 3\ on\ both\ sides.\n\n{\boxed{a=15}$

Measurement is the use of numbers according to a standard. True or False

Answers

The definition of "measurement" (noun) is the use of numbers, dimensions, quantity, or capacity as ascertained by comparison with a standard. It can also refer to the act of measuring, which is a verb.

What are the next three numbers in this pattern? 11, 22, 12, 23, . . .

Answers

Answer:

13 , 24 , 14

Step-by-step explanation:

Note that technically there are two patterns. Each one adds 1.

The first pattern starts with 11. The third number is 12, which means that the fifth number will be 13, and the 7th number will be 14.

The second pattern starts with 22. The 4th number is 23, which means the sixth number will be 24.

Easy, it's going by adding 11's 11+11=22 than it subtracts by 10=12 and it keeps repeating until it's done.

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