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Ahat [919]
3 years ago
8

Help pls please PLEASE​

Mathematics
1 answer:
horsena [70]3 years ago
7 0

Answer:

c

Step-by-step explanation:

it's really product of power

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This equation does not have any zeros. Use the formula of (b*b)-4(a)(c).
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Nina can ride her bike 63,360 feet in 3,400 seconds, and Sophia can ride her bike 10 miles in 1 hour . What is Nina’s rate miles
faltersainse [42]

Answer:

Nina's rate in miles per hour is 2.7 miles/hour

Nina bikes faster

Step-by-step explanation:

we know that

1 hour=3,600 seconds

1 mile=5,280 feet

<em>Convert feet to miles</em>

63,360 feet=63,360/5,280=12 miles

Convert seconds to hours

3,400 sec=3,400/3,600=0.94 hours

Find Nina's rate in miles per hour

12/0.94=12.7 miles/hour

Sophia's rate in miles per hour is 10 miles/hour

Compare the rates

12.7 miles/hour > 10 miles/hour

therefore

Nina bikes faster

8 0
3 years ago
maria bought 7 boxes. a week later half of her boxes were destroyed in a fire. There are now only 22 boxes left. With how many d
STALIN [3.7K]
37 boxes is the answer
4 0
3 years ago
Read 2 more answers
The radius of a circle is 16 millimeters. What is the circle's area?
Kisachek [45]

Answer:

803.84 millimeters²

Step-by-step explanation:

How do we find the area of a circle?

  • The area of a circle is πr², where r = radius. In this case, we have to approximate pi to 3.14.

<u>Solving</u>

  • <u></u>3.14 *16^2
  • 3.14*256
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Therefore, the area is 803.84 square millimeters.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

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The center circle on a playing field has a radius of 7.5m find its circumference
Nady [450]
<h3>Given:</h3>
  • r= 7.5 m
<h3>Note that:</h3>
  • r= radius
<h3>To find:</h3>

The circumference of the circular playing field.

<h3>Solution:</h3>

\huge\boxed{Formula:C= 2\pi{r}}

We'll have to multiply 2, π and radius.

Substitute the values according to the formula.

C= 2× \pi ×7.5

C= 47.12389

\large\boxed{C= 47.12 \: m}

<u>Therefore</u><u>,</u><u> </u><u>the</u><u> </u><u>circumference</u><u> </u><u>of</u><u> </u><u>the</u><u> </u><u>circular</u><u> </u><u>playing</u><u> </u><u>field</u><u> </u><u>is</u><u> </u><u>47.12</u><u> </u><u>feets</u><u>.</u>

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