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lys-0071 [83]
3 years ago
8

A car traveling at a certain speed will travel 76 feet per second. How many miles will the car travel in 3.1 hours if it maintai

ns the same speed? Round to the nearest tenth.
Mathematics
1 answer:
zepelin [54]3 years ago
5 0
So the asnwer is 848,160

First u had to find how many feet go into 1 minute. So
76x60 = 4,560 feet per minute.
And to know how much it goes into one hour, we multiply:
4,560 x 60 = 273,600 feet.
So 273,600 is how many in one hour.
So we multiply that by 3.1:
273,600 x 3.1 = 848,160
You might be interested in
Four times the square of a number is thirty-six"
natka813 [3]
Well first do 36 divided by 4, which is 9, then square root 9 to make it 3, so your answer should be 3
5 0
3 years ago
**HELP!!!!** ILL GIVE BRAINLIEST
Step2247 [10]

The value of n such that the number n and -3/4 are additive inverses is 3/4

<h3>How to determine the value of n?</h3>

The statement is given as:

The number n and -3/4 are additive inverses

The above statement means that

n = -1 * -3/4 --- by the definition of additive inverses

Next, we evaluate the product of -1 and -3/4

n = 3/4

Hence, the value of n such that the number n and -3/4 are additive inverses is 3/4

Read more about additive inverses at

brainly.com/question/1548537

#SPJ1

8 0
1 year ago
What is the volume of the composite figure? Explain your work. A complete answer should include how you broke up the figure, whi
Sphinxa [80]

Answer:

15,000\:\mathrm{mm^3}

Step-by-step explanation:

The composite figure consists of a square prism and a trapezoidal prism. By adding the volume of each, we obtain the volume of the composite figure.

The volume of the square prism is given by V=s^2\cdot h, where s is the base length and h is the height. Substituting given values, we have: V=14^2\cdot 30=196\cdot 30=5,880\:\mathrm{mm^3}

The volume of a trapezoidal prism is given by V=\frac{b_1+b_2}{2}\cdot l\cdot h, where b_1 and b_2 are bases of the trapezoid, l is the length of the height of the trapezoid and h is the height. This may look very confusing, but to break it down, we're finding the area of the trapezoid (base) and multiplying it by the height. The area of a trapezoid is given by the average of the bases (\frac{b_1+b_2}{2}) multiplied by the trapezoid's height (l).

Substituting given values, we get:

V=\frac{14+24}{2}\cdot (30-14)\cdot 30,\\V=19\cdot 16\cdot 30=9,120\:\mathrm{mm^3}}

Therefore, the total volume of the composite figure is 5,880+9,120=\boxed{15,000\:\mathrm{mm^3}} (ah, perfect)

Alternatively, we can break the figure into a larger square prism and a triangular prism to verify the same answer:

V=30^2\cdot 14+\frac{1}{2}\cdot10\cdot 16\cdot 30=\boxed{15,000\:\mathrm{mm^3}}\checkmark

8 0
2 years ago
Help me out please !?
Korolek [52]
21in.
1/2*base*height=area of a triangle
Side^4=square area
Square+Triangle(4)=total
Square=9      Triangle=3
4 0
3 years ago
A cone has a height of 15 yards and a diameter of 10 uarsd what size the volume use pi and round to the nearest hundredth
dsp73
Volume is 392.7 yards cubed

8 0
3 years ago
Read 2 more answers
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