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erica [24]
4 years ago
9

The correct9. 5(x - 2) = 15a. 10b. 5c. 1​

Mathematics
2 answers:
Furkat [3]4 years ago
8 0

Answer:

x=5

Step-by-step explanation:

5x-10=15

5x=25

x=5

EleoNora [17]4 years ago
3 0

Answer:

the answer is 5

Step-by-step explanation:

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Answer:

C.

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6 0
3 years ago
Which does not show a direct variation between x and y?  
Dmitry [639]
(1)\\direct\ variation\ between\ x\ and\ y:\ \ \ y=k\cdot x\ \ \ and\ \ \  k\in\ R\\\\Ans.\ NOT\ direct\ is\ D\\\\(2)\\f(x) = m\cdot x\ \ \ and\ \ \ f(6)=8\\\\ \Rightarrow\ \ \ m\cdot 6=8\ \ \ \Rightarrow\ \ \ m= \frac{8}{6} = \frac{4}{3} \ \ \ \ \Rightarrow\ \ \ \ Ans.\ D\\\\(3)\\f(x)=30x\ \ \ \Leftrightarrow\ \ \  \frac{f(x)}{x} =30\ \ \ \ \ \ \Rightarrow\ \ \ \ constans=30\ \ \ \ Ans.\ B.

\\\\(4)\\f(x)=m\cdot x\ \ and\ \ f(8)=56\\\\m\cdot8=56\ \ \Leftrightarrow\ \ m= \frac{56}{8} =7\ \ \Rightarrow\ \ \ f(x)=7x\ \ \ \Rightarrow\ \ \ f(2)=7\cdot2=14\\\\Ans.\ D.
3 0
3 years ago
If x, y, and z are integers greater than 1, and (327)(510)(z) = (58)(914)(xy), then what is the value of x?
algol [13]

Answer:

<u>Statements (1) and (2) TOGETHER are NOT sufficient.</u>

Explanation:

As in the equation (327)(510)(z) = (58)(914)(xy) there are THREE variables in total i.e. "x", "y" and "z" hence minimum three equations are required to find out values of all variables. Hence,

If the given number of equations is equal to total variable used in any of the equation, values of all the variables can be find out otherwise there can be unlimited number of solutions.

So, value of "x" cannot be determined with the given data.

5 0
3 years ago
2+7x1232 = what pls help its matth
erica [24]

Answer:

8626

Step-by-step explanation:

use a calculator in instead of here this was a EZ question but thanks for the points and if you have a harder question i'll be waiting

8 0
2 years ago
Read 2 more answers
There are 25 students in a class at the beginning of the school year and the average number of siblings for each student is thre
Zigmanuir [339]

Answer:  Yes. The new average is 3

<u>Step-by-step explanation:</u>

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New average is 83 siblings ÷ 26 students = 3.19 siblings per students

5 0
3 years ago
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