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3 years ago

Team Tool Bella canoed 15 miles in 5 hours. What was their

Mathematics

2 answers:

emmainna [20.7K]3 years ago

8 0

Answer:

3 miles per hour

Step-by-step explanation:

We know that distance over time, d/t, is equal to rate, r.

By knowing this, we can substitute in the distance and time given into the formula:

d/t = r

15/5 = r

To solve this, we just need to simplify 15/5 to give us our answer:

15/5 = r

3 = r

This means that our rate is 3 miles per hour.

Natalka [10]3 years ago

7 0

Answer:3 miles per hour

Step-by-step explanation:I got my answer right.

You can trust me.

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Nikolay [14]

Inequality : 19.50n+24≤$110

Solution: Alyssa can buy 4 DVDs

Work: 110-24=86
86/19.50 = 4.4

You can't have a fraction of a DVD, so you have to round down to 4.

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3 years ago

Solve 3(4x-1)=12x +7

telo118 [61]

Answer:

there are no solutions

Step-by-step explanation:

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4 years ago

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Which statement describes the relationship between -2 and -4?

just olya [345]

The answer is C. -2 is to the left and greater than -4 on a number line

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3 years ago

What is the value of log Subscript 6 Baseline StartFraction 1 Over 36 EndFraction?

loris [4]

Answer:

-2

Step-by-step explanation:

Let x be the unknown value

Log₆ ( 1/36) = x

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3 years ago

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Given: ∆SPM, PK⊥ SM SP = 25, SM = 28, PK = 9 Find: m∠S, m∠M, PM

nevsk [136]

Answer:

∠S = 21.10°

∠M = 79.45°

PM = 9.16

Step-by-step explanation:

Here Pythagorean theorem and trigonometry suffice to solve our problem.

From the Pythagorean theorem we get:

$KM^2+9^2=PM^2$ and

$(25-KM)^2+9^2=25^2.$

We solve for $KM$ in the second equation and get:

$(25-KM)=\sqrt{25^2-9^2}$

$\therefore KM=25-\sqrt{25^2-9^2} =\boxed{1.68}$

Now since

$SK+KM=25\\\\ SK=\boxed{23.32}$

Therefore

${\angle}S=Tan^{-1}(\frac{PK}{SK}) = Tan^{-1}(\frac{9}{23.32})=21.10^o$

and

${\angle}M=Tan^{-1}(\frac{PK}{KM}) = Tan^{-1}(\frac{9}{1.68})=79.45^o.$

And finally again from the Pythagorean theorem:

$PM^2=PK^2+KM^2=9^2+1.68^2$

$\therefore PM=\sqrt{9^2+1.68^2} =9.16.$

Thus,

∠S = 21.10°

∠M = 79.45°

PM = 9.16.

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3 years ago