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professor190 [17]
2 years ago
7

Please help!!!! Thank you!!!!!

Mathematics
1 answer:
GuDViN [60]2 years ago
4 0

Answer: The answer is 3/8

Step-by-step explanation: First you figure out your expression: 7/8 - 1/2. Then you find a common denominator, which will be 8. To make one-half have a denominator of 8, multiply by 4/4. 1/2*4/4=4/8. To finish, subtract 7/8-4/8 and you get 3/8.

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When Joe solved a system using substitution, he got 7 = 9. What can Joe
VikaD [51]

Answer:

The system of equations does not have a solution

Step-by-step explanation:

Whenever you get a number = a different number, that means there's no solution.

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2 years ago
Can someone help me with 20-22
BlackZzzverrR [31]
20.) 11

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2 years ago
HELP PLSS* i need an answer and please no guessing
Amiraneli [1.4K]
7 7/8 in mixed number form.
7 0
2 years ago
Read 2 more answers
15.12 is what percent of 12?
Llana [10]

Answer:

<h2>126%</h2>

Step-by-step explanation:

\bold{METHOD\ 1}\\\\\begin{array}{ccc}15.12&-&p\%\\\\12&-&100\%\end{array}\qquad\text{cross multiply}\\\\\\12p=(15.12)(100)\\12p=1512\qquad\text{divide both sides by 12}\\p=126

\bold{METHOD\ 2}\\\\p\%=\dfrac{p}{100}\\\\p\%\ of\ 12\ is\ equal\ to\ 15.12:\\\\\dfrac{p}{100}\cdot12=15.12\\\\\dfrac{12p}{100}=15.12\qquad\text{multiply both sides by 100}\\\\12p=1512\qquad\text{divide both sides by 12}\\\\p=126

6 0
3 years ago
How many solutions exist for the given equation?
zmey [24]
<h3> Answer </h3>

x = 2

<h3>Step by step</h3>

1/2(x + 12) = 4x - 1

1/2x + 12/2 = 4x - 1

1/2x + 6 = 4x - 1

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1/2x - 8/2x = -7

-7/2x = -7

x = -14/-7

x = 2

8 0
2 years ago
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