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satela [25.4K]
2 years ago
10

Have to make the equation on the left look like the equation on the right. There are apparently only 2 steps but I can not figur

e it out for myself. Also not supposed to touch the second equation just show how you get it from the first.

Mathematics
2 answers:
andreyandreev [35.5K]2 years ago
5 0

Step-by-step explanation:

\frac{a}{b} c =  \frac{a}{ \frac{b}{c} }

\frac{a}{b} c = a \times  \frac{c}{b}

hram777 [196]2 years ago
3 0

Answer:

Step-by-step explanation: change A/B/C to A÷B/C then change the division sign into a multiplicmultiplication sign so that you will have A×C/Bwhich will make your left equation = to your right equation

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Given the equation 5 + x - 14 = x - 7.
Yanka [14]

Answer:

x=0

Step-by-step explanation:

combine like terms on both sides of the equal sign

-9+x= x-7

move similar terms to the same side

-2=0x

divide both sides by x

x=0

7 0
3 years ago
What is the value of 7x-9y when x=1 and y=8?
julsineya [31]
It would be - 65

7 x 1 = 7
9 x 8 = 72

7 - 72 = - 65

hope this helps you
4 0
3 years ago
Read 2 more answers
21x =7?<br> A. x=3<br> B. None of these <br> C. x=147<br> D. x=28
Varvara68 [4.7K]

Answer: B

Step-by-step explanation:

To isolate x, you divide both sides by 21

21x=7

\frac{21x}{21}=\frac{7}{21}

x = 7/21

Simplify by dividing both the numerator and denominator by 7

x = 1/3

Since, 1/3 is not an option, B is the correct answer

6 0
2 years ago
3n-5=19
alina1380 [7]

Answer:

n=8

Step-by-step explanation:

3n-5=19

3n=19+5

3n=24

n=24/3

n=8

6 0
3 years ago
If there are 19 questions and each question has 4 answers, what is the probability she will answer at least one question correct
gregori [183]

Answer:

0.9958

Step-by-step explanation:

P(being correct) = 1/4 = 0.25

Hence, p = 0.25

n = 19

P(x ≥ 1) = p(x = 1) + p(x = 2) +... + p(x = 19)

Using the binomial probability formula :

P(x =x) = nCx * p^x * (1 - p)^(n - x)

However, to save computation time, we could use a calculator :

Using a calculator,

P(x ≥ 1) = 0.99577

P(x ≥ 1) = 0.9958

7 0
3 years ago
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