2 years ago

Which of the following is the slope of the line A. -3 B. 1/3 C. -1/3 D. 3

Mathematics

1 answer:

Crazy boy [7]2 years ago

6 0

Ask if explanation needed :)

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An athlete ran a sprint of 100 ft in 3.1 s. At what speed was the athlete running in miles per hour? Round to the nearest mile p

nordsb [41]

Answer:

22 miles per hour

Step-by-step explanation:

we know that

The speed is the ratio of distance by the time

Let

d -----> distance in feet

t ----> time in seconds

s ----> the speed in ft/sec

$s=\frac{d}{t}$

we have

$d=100\ ft\\t=3.1\ sec$

substitute

$s=\frac{100}{3.1}$

$s=32.26\frac{ft}{sec}$

Remember that

$1\ mi=5,280\ ft$

$1\ h=3,600\ sec$

Convert ft/sec to mi/h

$s=32.26\frac{ft}{sec}=32.26\frac{(1/5,280)}{(1/3,600)}=32.26(\frac{3,600}{5,280})=22\ \frac{mi}{h}$

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2 years ago

Round 2.12747677748 to the nearest ten-thousandth.

Gwar [14]

Answer:

2.1275 is 2.12747677748 rounded to the nearest ten-thousandth.

Step-by-step explanation:

Since the hundred-thousandth place is 5 or above, we would round the ten-thousandths place up. THis makes the number 2.1275.

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2 years ago

It takes a car 1.75 h to go from mike marker 10 to mile marker 115. what is the average speed of the car?

Black_prince [1.1K]

Answer:

60 mph

Step-by-step explanation:

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3 years ago

Members of a community center are planning a field trip to the zoo. More than 50 people will go on the trip. Ten people are prov

slava [35]

The answer is 5(k+10)>50

6 0

2 years ago

Read 2 more answers

Find the area of the shaded segment. Round your answer to the nearest square centimeter. Will make brainliest answer if correct

allochka39001 [22]

First find the area of the circle using A=pi*r^2
pi*36
Then divide this by 4 because the shaded region is 1/4 of the circle
(36*pi)/4=9*pi
Final answer: B

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2 years ago