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Feliz [49]
3 years ago
12

The radius of a circle is 3 millimeters. What is the circle's area? r=3 mm Use 3.14 for ​. square millimeters

Mathematics
1 answer:
Lena [83]3 years ago
6 0
I’m pretty sure it’s 3,140,000
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Please help me.......
Georgia [21]

Answer:

sorry

.......... ................

8 0
2 years ago
For a certain model of car the distance d required to stop the vehicle if it is traveling at v mi/h is given by the formula d =
enyata [817]
Given that <span>For a certain model of car the distance d required to stop the vehicle if it is traveling at v mi/h is given by the formula d=v+\frac{v^2}{20}, where [tex]d is measured in feet.

If Kerry wants her stopping distance not to exceed 75 ft, then the range of speeds (in mi/h) can she travel is obtained as follows:

v+ \frac{v^2}{20} \leq75 \\  \\ 20v+v^2\leq1,500 \\  \\ v^2+20v+100\leq1,500+100 \\  \\ (v+10)^2\leq1,600 \\  \\ |v+10|\leq\sqrt{1,600} \\  \\ -40\leq v+10\leq40 \\  \\ -40-10\leqv\leq v\leq40-10 \\  \\ -50\leq v\leq30

Therefore, the range of speed she can travel is v\leq30\ mi/hr
</span>
8 0
3 years ago
Find the value of -|-2 + 9|<br>A. 7<br>B. -11<br>C. -7​
nexus9112 [7]

Answer:

Step-by-step explanation:

Here you go mate

Step 1

-(-2 + 9)  Equation/Question

Step 2

-(-2 + 9)  Simplify

-(-2 + 9)

Step 3

-(-2 + 9)  Solve by adding

-(7)

=-7

Answer

-7

6 0
2 years ago
Which is equivalent to 3sqrt8^1/4x
fiasKO [112]

Answer:

12 √8 ×

Step-by-step explanation:

There is two many variables in that I believe you meant. What is equivalent to 3 square root 8^1/4x? =12 √8 × . Hopefully this helped you .

3 0
3 years ago
the school band is comprised of middle school and high school students but it always has the same exact capacity. last year the
BaLLatris [955]
This year
2:7
18:?
well 2*9=18
so 7*9=63
18/63 
(18+63=total 81 students)
Last year
1/8
multiply by 9
9/72
9 less students this year
7 0
3 years ago
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