3 years ago

Answer this plz. I will mark brainliest if the answer is correct!!

Mathematics

1 answer:

Vladimir [108]3 years ago

4 0

Answer:

The second one

Step-by-step explanation:

I don't know if you need and explanation? Or if this is a test for brainliest

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One car went 10 miles farther when traveling at 50 mph than a second car that traveled 2 hours longer at a speed of 40 mph. How

lesya [120]

<span>times t hours and (t+2) hours)
d1 = 50 t
d2 = 40(t+2)

50 t = 10 + 40(t+2)

10 t = 90

t = 9
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4 years ago

Complete steps to find x<br> +( 7×+24)=128

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Answer:

8x=104

Step-by-step explanation:

The answer above is the question simplified down

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3 years ago

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$5 \frac{467}{10,000} = 5.0467$

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3 years ago

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Item 18 You estimate that a puppy weighs 12 pounds. The actual weight of the puppy is 14 pounds. Find the percent error. Round y

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Hi!

First find how much you were off by.

14-12=2

Now set up a proportion and cross multiply to solve.

$\frac{2}{14} \frac{x}{100}$

2 x 100 = 200
200/14 = 14.29

The answer is 14.29%

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3 years ago

A city's population is increasing at a rate of 2% per year.

Mariana [72]

Based on the information the number of people that will there after 20 years is: d.) 2.97 million.

Using this formula

P(t) = Population ×(1+ rate)^t

Where:

Population=2 million

rate=2%

time=20 years

Let plug in the formula

P(t) = 2×(1+.02)^20

P(t) = 2×(1.02)^20

P(t) = 2×1.485947

P(t) = 2.97 million

Inconclusion the number of people that will there after 20 years is: d.) 2.97 million.

Learn more about population here:brainly.com/question/25630111

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3 years ago