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Harrizon [31]
3 years ago
13

Lin rode her bike 2 miles in 8 minutes. She rode at a constant speed. Complete the diagram to show the time it took her to trave

l. But there's a fraction and a decimal. So what does the table look like?
Mathematics
1 answer:
Mademuasel [1]3 years ago
6 0

Answer:

8 2/1

Step-by-step explanation:

8 minutes / 2 miles = 4

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How are 25:5 and 10:2 equivalent ratios?
stira [4]

Answer:

Multipy by 2.5

Step-by-step explanation:

If you multiply 10 and 2 by 2.5 you would get 25 and 5

7 0
3 years ago
Two jets simultaneously started traveling in opposite directions from the same airport. Four hours later they were 3800 miles ap
Basile [38]

Step-by-step explanation:

the slower plane traveled x miles in 4 hours.

the faster plane traveled x + 4×80 = x + 320 miles in 4 hours.

so,

x + x + 320 = 3800 miles

2x =3480 miles

x =1740 miles (in 4 hours) .

that means the slower plane's speed was 435 mph.

and the faster plane's speed was 435 + 80 = 515 mph.

7 0
2 years ago
The period 7 (in seconds) of a pendulum is given by T = 2pi√( L divided by 32) where L stands for the length (in feet) of the pe
oksano4ka [1.4K]

Answer:

128 feet

Step-by-step explanation:

t = 2\pi \sqrt{\frac{l}{32} }

So now we will substitute the values of T and π into the equation.

12.56 = 2 \times 3.14 \sqrt{ \frac{l}{32} }

12.56 = 6.28 \sqrt{ \frac{l}{32} }

Divide both sides by 6.28

2 =  \sqrt{ \frac{l}{32} }

Square both sides.

4 =  \frac{l}{32}

Multiply both sides by 32

l = 4 \times 32 \\ l = 128 \: feets

5 0
2 years ago
Factor a higher degree polynomial<br> x^4+5x^3+4x+20<br> polynomials foctorization
Ludmilka [50]

Answer:

(x + 5)( {x}^{3}  + 4)

Step-by-step explanation:

{x}^{4}  + 5 {x}^{3}  + 4x + 20 \\  =  {x}^{3} (x + 5) + 4(x + 5) \\  = (x + 5)( {x}^{3}  + 4)

7 0
3 years ago
During a trip, pablo traveled x percent of the total distance at an average speed of 30 miles per hour and the rest of the dista
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The average speed is 58mph i had this on my test i got it right

4 0
4 years ago
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