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Hitman42 [59]
3 years ago
13

a bullet train can travel at 170 miles per hour will a graph representing distance in miles compared to time an hour show a prop

ortional relationship
Mathematics
2 answers:
lina2011 [118]3 years ago
8 0
Yes it will. For every one hour, the train travels 170 miles. That’s the rate of change/ the ratio-> 1:170
nadezda [96]3 years ago
5 0

Answer:

170

Step-by-step explanation:

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How are numbers related?
MAVERICK [17]
<span> <span>two numbers are related in this way:
the number 1 is subtracted from the first number, the difference is squared, then doubled;the result is equal to the second number. the number 1 is added to the first number, and the sum is squared;the result is equal to 4 minus the second number. determine the numbers. </span></span>
3 0
3 years ago
A spherical balloon was inflated such that it had a diameter of 24 centimeters. Additional helium was then added to the balloon
DanielleElmas [232]
To solve this we are going to use the formula for the volume of a sphere: V= \frac{4}{3}  \pi r^3
where 
r is the radius of the sphere 

Remember that the radius of a sphere is half its diameter; since the first radius of our sphere is 24 cm, r= \frac{24}{2} =12. Lets replace that in our formula: 
V= \frac{4}{3} \pi r^3
V= \frac{4}{3} \pi (12)^3
V=7238.23 cm^3

Now, the second diameter of our sphere is 36, so its radius will be: r= \frac{36}{2} =18. Lets replace that value in our formula one more time:
V= \frac{4}{3} \pi r^3
V= \frac{4}{3} \pi (18)^3
V=24429.02

To find the volume of the additional helium, we are going to subtract the volumes:
Volume of helium=24429.02cm^3-7238.23cm^3=17190.79cm^3

We can conclude that the volume of additional helium in the balloon is approximately <span>17,194 cm³.</span>
8 0
3 years ago
1. Draw a triangle ABC with A(6,10), B(7,6), and C(10,7).
Musya8 [376]

Answer:

I dont know yet give me a sec

8 0
3 years ago
Help meeee!! I’ll give brainliest!!!
dimulka [17.4K]

Answer:

x = 9

y = 13

Step-by-step explanation:

Side-Side-Side or SSS means that if all three sides of one triangle are equal to all three corresponding sides of another triangle, then the two triangles are considered to be congruent (equal).

Therefore, GH = PM  ⇒  7x + 8 = 6y - 7

and,            GP = HM  ⇒  8x - 10 = 5y - 3

Rewrite the first expression to make x the subject, then substitute this into the second equation, and solve for y:

         GH = PM  

⇒  7x + 8 = 6y - 7

⇒        7x = 6y - 15

⇒           x = (6/7)y - 15/7

Substituting  x = (6/7)y - 15/7  into GP = HM:

                              GP = HM  

⇒                      8x - 10 = 5y - 3

⇒  8[(6/7)y - 15/7] - 10 = 5y - 3

⇒  (48/7)y - 120/7 - 10 = 5y - 3

⇒                      (13/7)y = 169/7

⇒                               y = 13

Now we have found a value for y, substitute this into one of the expressions and solve for x:

    8x - 10 = 5y - 3

⇒  8x - 10 = (5 x 13) - 3

⇒  8x - 10 = 62

⇒          8x = 72

⇒            x = 9

3 0
2 years ago
What is the approximate volume of the cone?
Mumz [18]
The volume of the cone :V = 1/3 r² π hr = 9 cm, h = 6 cm and π = 3.14V = 1/3 · 9² · 3.14 · 6V = 81 · 3.14 · 2V = 508.86 ≈ 509Answer:C ) 509 cm³
5 0
3 years ago
Read 2 more answers
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