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KATRIN_1 [288]
4 years ago
8

7,3,5,6 using each number only once equal 75 using parentheses

Mathematics
1 answer:
Kaylis [27]4 years ago
5 0
[ (3 · 7) - 6 ] · 5 = [ 21 - 6 ] · 5 = 15 · 5 = 75
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IXL Problem needs to be answered.
Colt1911 [192]

Answer:

He put $1,183 for the computer

Step-by-step explanation:

first you have to multiply 16.25 time 13 and then multiply that with 14 since there is 14 days in two weeks. And then that with .4.

And you'll get 1,183

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3 years ago
Are this answer right, and also question number do I add everything, any help please!
hoa [83]

yes i think it is correct

8 0
3 years ago
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Preview Activity 3.5.1. A spherical balloon is being inflated at a constant rate of 20 cubic inches per second. How fast is the
ArbitrLikvidat [17]

Answer:

The radius is increasing at a rate of approximately 0.044 in/s when the diameter is 12 inches.

Because \frac{dr}{dt}=\frac{5}{36\pi }>\frac{dr}{dt}=\frac{5}{64\pi } the radius is changing more rapidly when the diameter is 12 inches.

Step-by-step explanation:

Let r be the radius, d the diameter, and V the volume of the spherical balloon.

We know \frac{dV}{dt}=20 \:{in^3/s} and we want to find \frac{dr}{dt}

The volume of a spherical balloon is given by

V=\frac{4}{3} \pi r^3

Taking the derivative with respect of time of both sides gives

\frac{dV}{dt}=4\pi r^2\frac{dr}{dt}

We now substitute the values we know and we solve for \frac{dr}{dt}:

d=2r\\\\r=\frac{d}{2}

r=\frac{12}{2}=6

\frac{dV}{dt}=4\pi r^2\frac{dr}{dt}\\\\\frac{dr}{dt}=\frac{\frac{dV}{dt}}{4\pi r^2} \\\\\frac{dr}{dt}=\frac{20}{4\pi(6)^2 } =\frac{5}{36\pi }\approx 0.044

The radius is increasing at a rate of approximately 0.044 in/s when the diameter is 12 inches.

When d = 16, r = 8 and \frac{dr}{dt} is:

\frac{dr}{dt}=\frac{20}{4\pi(8)^2}=\frac{5}{64\pi }\approx 0.025

The radius is increasing at a rate of approximately 0.025 in/s when the diameter is 16 inches.

Because \frac{dr}{dt}=\frac{5}{36\pi }>\frac{dr}{dt}=\frac{5}{64\pi } the radius is changing more rapidly when the diameter is 12 inches.

8 0
3 years ago
The Viking football team won 4 out of every 5 of their football games. If they played 20 games, how many games did they lose?
Lerok [7]
They lost 4 games :) hope this helps
5 0
3 years ago
Read 2 more answers
A triangle has a perimeter of 32 inches. The medium side is 2 more than the short side, and the longest side is 3 times the leng
MatroZZZ [7]

Answer:

6

Step-by-step explanation:

6+(6+2)+(6×3)=32

32÷(1+1+3)=6•••••2

So it's 6 and 6+2 and 6 times 3

which is 5 of number 6 plus 2

=6+(6+2)+(6×3)

=6+8+18

=32

7 0
3 years ago
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