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2 years ago

PLZ HELP I NEED A THIS DONE IN LIKE 30 MIN

Mathematics

1 answer:

strojnjashka [21]2 years ago

6 0

Answer:

51200 i think sorry if is get this wrong warn me sorry 8 hours

Step-by-step explanation:

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A car travels 136 miles using 7 gallons of gas. At that rate, how far can the car travel using 42 gallons of gas?

muminat

Answer:

in 136 miles=7 gallons

?=42 gallon

= 136=7

?=42

cross multiply

136×42=5,712

=5,712÷7=816

4 0

2 years ago

Read 2 more answers

Nola hiked down a trail at a steady rate for 10 minutes. Her change in elevation was −170 feet. Then she continued to hike down

madreJ [45]

Answer: First portion is greater than second portion.

Step-by-step explanation:

Time taken to hiked down a trail = 10 minutes

Change in elevation = (-) 170 feet

Speed is given by

$Speed=\frac{Distance}{Time}\\\\Speed=\frac{170}{10}\\\\Speed=17\text{ feet per minute}$

Similarly,

Time taken to hiked down a trail = 20 minutes

Change in elevation = (-)220 feet

Speed is given by

$Speed=\frac{Distance}{Time}$

$Speed=\frac{220}{20}\\\\Speed=11\text{ feet per minutes}$

So, we can see that first portion of the hike where he hiked down a trail at a steady rate for 10 minutes and her change in elevation was (-) 170 feet, was her rate of change in elevation greater.

<u>As 17 feet per minutes is greater than 11 feet per minutes.</u>

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2 years ago

A bus driver drives a bus 72 miles. the bus uses 6 gallons of gas to make the trip. how many miles can the bus travel with just

pentagon [3]

Do 72 divided by 6 to get 12 so the answer is D

6 0

3 years ago

28 divided by a number s

Eduardwww [97]

Answer:

Step-by-step explanation:

I assume that you are wanting an algebraic expression written. if not, please let me know!

When we divide numbers by each other, we write them as a fraction, the number being divided over the number it's divided by. in this case, the number we're dividing is 28, and the number we're dividing it by an unknown factor s.

8 0

3 years ago

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A student takes an exam containing 16 true or false questions. If the student guesses, what is the probability that he will get

almond37 [142]

Answer:

0.001831055

Step-by-step explanation:

Here, n = 16, p = 0.5, (1 - p) = 0.5 and x = 14

As per binomial distribution formula P(X = x) = nCx * p^x * (1 - p)^(n - x)

We need to calculate P(X = 14)

P(x =14) = 16C14 * 0.5^14 *(1-0.5)^2

= 120 * 0.5^14 *(1-0.5)^2

= 0.001831055

5 0

2 years ago