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3 years ago

If Katrina runs at a pace of 5 miles per hour how many miles can she run in 2 hours?

Mathematics

2 answers:

OLEGan [10]3 years ago

5 0

Katrina can rums 10 miles per hour because if you multiply 5 miles per hour by 2 is ten

Marrrta [24]3 years ago

5 0

Answer:

10 miles.

Step-by-step explanation:

You have to multiply 2 by 5 to get your answer, since she can run 5 miles per 1 hour. So in 2 hours, she can run 10 miles.

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hi:) for 5(b) , I got 157.7 & 22.3 but in the answer key, the only correct answer is 157.7. I thought there should be 2 poss

n200080 [17]

Answer:

Θ = 157.7°

Step-by-step explanation:

Given

cosΘ = - 0.925

Since cosΘ < 0 then Θ is in the second or third quadrant.

Since 0° ≤ Θ ≤ 180° then Θ is in the second quadrant. thus

Θ = $cos^{-1}$ (- 0.925) = 157.7° ← angle in second quadrant

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4 years ago

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What is 3.96 × 0.4, please help me

Kisachek [45]

Answer:

1.584

Step-by-step explanation:

1.584 = 3.96 × 0.4

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4 years ago

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The library has at least 5,000 books. Which inequality represents the situation an has an infinite number of solutions?

just olya [345]

MORE THAN OR EQUAL TO 5000<span>≥</span>

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3 years ago

What is the value of x in the equation 8x – 2y = 48, when y = 4?

morpeh [17]

Answer:

x = 7

Step-by-step explanation:

since we know y = 4, we can plug this into the equation to find x

8x - 2y = 48

8x - 2(4) = 48

8x - 8 = 48

8x = 56

x = 7

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3 years ago

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Find the real solution(s) of the equation. Round your answer to two decimal places when appropriate. 5x^6=30

Elina [12.6K]

Answer:

The real solutions are

$x=\sqrt[6]{6}\approx 1.35\\\\\:x=-\sqrt[6]{6}\approx -1.35$

Step-by-step explanation:

The solution, or root, of an equation is any value or set of values that can be substituted into the equation to make it a true statement.

To find the real solutions of the equation $5x^6=30$ :

$\mathrm{Divide\:both\:sides\:by\:}5\\\\\frac{5x^6}{5}=\frac{30}{5}\\\\\mathrm{Simplify}\\\\x^6=6\\\\\mathrm{For\:}x^n=f\left(a\right)\mathrm{,\:n\:is\:even,\:the\:solutions\:are\:}x=\sqrt[n]{f\left(a\right)},\:-\sqrt[n]{f\left(a\right)}\\\\x=\sqrt[6]{6}\approx 1.35\\\\\:x=-\sqrt[6]{6}\approx -1.35$

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3 years ago