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Svetach [21]
3 years ago
10

The solution to 7x = 42 is x = ___. A.4 B.5 C.6 D.7

Mathematics
2 answers:
uranmaximum [27]3 years ago
6 0

Answer:

the x value equals 6.

Step-by-step explanation:

When you are solving for x, divide the 42 by 7.

Sidana [21]3 years ago
3 0
C.6

7x = 42 => x = 42/7 = 6
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Yuri [45]

Answer:

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Step-by-step explanation:

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Sanford can assemble a computer in 60 minutes. Colleen can assemble a computer in 40 minutes. If they work together, how many mi
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\dfrac{1}{60}+\dfrac{1}{40}=\dfrac{1}{x}\\
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3 0
3 years ago
Find the value of the following expression
Misha Larkins [42]

Looks like the expression is

(2⁸ • 5⁻⁵ • 19⁰) • (5⁻² / 2³)⁴ • 2²⁸

First, any positive number raised to 0 is 1:

(2⁸ • 5⁻⁵ • 1) • (5⁻² / 2³)⁴ • 2²⁸

(2⁸ • 5⁻⁵) • (5⁻² / 2³)⁴ • 2²⁸

Exponents in a denominator can be rewritten as negative exponents in the numerator:

(2⁸ • 5⁻⁵) • (5⁻² • 2⁻³)⁴ • 2²⁸

Distribute the 4th power across the product 5⁻² • 2⁻³ :

(5⁻² • 2⁻³)⁴ = 5⁻⁸ • 2⁻¹²

so we have

(2⁸ • 5⁻⁵) • (5⁻⁸ • 2⁻¹²) • 2²⁸

Multiplication is associative, so we can ignore the parentheses. Combine factors with equal bases and simplify the exponents:

2⁸ • 5⁻⁵ • 5⁻⁸ • 2⁻¹² • 2²⁸

2⁸⁻¹²⁺²⁸ • 5⁻⁵⁻⁸

2²⁴ • 5⁻¹³

Rewrite the negative exponent as a positive one:

2²⁴ / 5¹³

6 0
3 years ago
Solve for indicated side<br><br> Your Answer:<br> Question 4 options:<br> Answer
morpeh [17]

Answer: x=10

Step-by-step explanation:

Picture below.

3 0
3 years ago
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