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3 years ago

Use the formula d=rt. Find t for r=48.3m/h and d=545.79m.

Mathematics

1 answer:

Korolek [52]3 years ago

6 0

Answer:

t = 11.3 hours

Step-by-step explanation:

The formula d = rt stands for distance = rate x time. The problem gives you the rate, or r = 48.3 m/h, and the distance, or d = 545.79m. To solve for 't', you can plug the values given and divide:

d = rt or 545.79 = 48.3(t)

Divide both sides by 48.3: 545.79/48.3 = 48.3t/48.3

Solve for t: t = 11.3 hours

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Putting the value of equation (ii) into the equation (i):

$\to \bold{8x=4(13)-20}\\\\\to \bold{8x=52-20}\\\\\to \bold{8x=32}\\\\\to \bold{x=\frac{32}{8}}\\\\\to \bold{x= 4}\\\\$

putting the value x into the equation (i):

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brainly.com/question/6219408

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2 years ago

What is the 32nd term of the arithmetic sequence where a1 = –33 and a9 = –121?

Aleksandr-060686 [28]

$a_1=-33;\ a_9=-121\\\\a_9-a_1=8d\\\\8d=-121-(-33)\\8d=-121+33\\8d=-88\ \ \ \ |divide\ both\ sides\ by\ 8\\d=-11\\\\a_{32}=a_1+31d\\\\a_{32}=-33+31\cdot(-11)=-33-341=-374\\\\Answer:\boxed{a_{32}=-374}$

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3 years ago

Read 2 more answers