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mihalych1998 [28]
2 years ago
10

The expression x-y equals 0.7 if x and y have certain values. Evaluate the following expression with the same values of x and y

Mathematics
1 answer:
elena55 [62]2 years ago
5 0

Answer:

1/0.7

Step-by-step explanation:

The expression x-y equals to 0.7 so we have to substitute 0.7 in the place of x-y....

----> 1/0.7

Dividing would make this equal to a long division answer (1.42857142857) so let's just leave it as a fraction!

I hope this helps! :)

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3x - 5 = 10 x = ______
Sphinxa [80]

Answer:

3x - 5 = 10 x

The answer is: x=-\frac{5}{7}

Step-by-step explanation:

3x - 5 = 10x

First, Please, Add 5 to both sides, Which would be:

3x - 5 + 5 = 10x + 5

Second, Please, Simplify your answer, Which would be:

3x = 10x + 5

Third, Please, Subtract 10x from both sides, Which would be:

3x - 5 = 10x = 10x + 5 - 10x

Forth, Please, Simplify your answer, Which would be:

-7x = 5

Fifth, Please, Divide both sides by -7, Which would be:

\frac{-7x}{-7}=\frac{5}{-7}

Last and Finally, Simplify your answer, Which would be:

x=-\frac{5}{7}

I hope I helped :)

5 0
4 years ago
g One card is selected randomly from a standard​ 52-card deck. a. What is the probability of drawing a ​
kumpel [21]

Answer:

Probability [Getting a red card] = 1/2

Step-by-step explanation:

Given:

Total number of cards = 52

Find:

Probability [Getting a red card]

Computation:

Total number of red cards = 26

Probability [Getting a red card] = 26/52

Probability [Getting a red card] = 1/2

7 0
3 years ago
The product of a number and 4 increased by 8 -36
Julli [10]
4x + 8 - 36 first subtract 36 from 8 to get the simplified equation 4x + (-28), or 4x - 28. As you cannot combine these terms, this is as far as you can go. Hope this helps! :)

8 0
3 years ago
Alice says that all the factors of 8 are even write down an example to show that Alice is wrong
Alenkinab [10]

Answer:

1 is a factor of 8

Step-by-step explanation:

1*8

6 0
3 years ago
Read 2 more answers
If x,y and z are the first three terms of an geometric sequence, show that x^2,y^2 and z^2 form another geometric sequence
olganol [36]
<span>x y z are in geometric 
x/y = y/z 
OR y^2=xz 

x^2, y^2, z^2 

x^2, xz, z^2 
If they are in geometric sequence then 
xz/x^2 = z^2/xz 
z/x = z/x 
The ratios are common 
so x^2,y^2 & z^2 is a GP.</span>
8 0
3 years ago
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