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lianna [129]
3 years ago
15

Jonna needs to travel 496 miles in 8 hours. How fast does she need to go in order to reach her destination on time?

Mathematics
1 answer:
Mkey [24]3 years ago
3 0

Answer:62

Step-by-step explanation:

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Patrick is keeping track of how far he jogs each morning.
katrin2010 [14]

Answer:

21:50

Step-by-step explanation:

We need to find the ratio of 420 m to 1 km.

We know that,

1 km = 1000 m

So,

The ratio becomes,

\dfrac{420\ m}{1\ km}=\dfrac{420\ m}{1000\ m}\\\\=\dfrac{42\ m}{100\ m}\\\\=\dfrac{21}{50}

So, the required ratio is 21:50.

5 0
3 years ago
The president of the student council wants to survey the student population about parking. She decides to take a random sample o
iren2701 [21]

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Should be (B)

01-1020

ED2021

6 0
2 years ago
PLEASE HELP!
sesenic [268]

Answer:

36\sqrt{3}

Step-by-step explanation:

Hi!

Since an equilateral triangle means that every side is equal, our triangle will have 12 on all sides.

To find the height of an equilateral triangle we use \frac{a\sqrt{3}}{2}.

\frac{12\sqrt{3} }{2} = 6\sqrt{3}.

So the height is 6\sqrt{3}.

Now we have to solve 12 * 6\sqrt{3} ÷ 2.

12 \cdot 6\sqrt{3} = 72\sqrt{3}

72\sqrt{3}\: \div\: 2 = 36\sqrt{3}.

Thus, the area of the triangle is \boxed{36\sqrt{3}}.

Hope this helps!

4 0
3 years ago
Express x-1y-2/z-3 with positive exponents.
Marysya12 [62]

x^-1y^-2/z^-3

=z^3 / (xy^2)

8 0
2 years ago
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They pay $16,290 in taxes and deductions, so $108,600 divided by $16,290 is around 6.6%
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2 years ago
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