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2 years ago

14

Find the missing percent

2 answers:

ololo11 [35]2 years ago

6 0

Answer:

70%?

Step-by-step explanation:

because 7 precent of 10 is 70%

malfutka [58]2 years ago

4 0

Each divider in the percent bar model signifies 10%. Since the missing percent sits on the 7th divider the answer is 70%.

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saw5 [17]

$\text{Find how much Zelda paid for the visit to the ER:}\\\\\text{We know that her insurance pay's 85\% of the emergency room cost,}\\\text{ so multiply 0.85 from 4089 and subtract}\\\\4089*0.85=3,475.65\\\\4089-3,475.65=613.35\\\\\text{She pays \$613.35 of the emergency room cost}\\\\\text{We're not done yet, we also know she pays a \$100 deductible,}\\\\\text{So add 100 to 613.35}\\\\613.35+100 = 713.35\\\\\boxed{\text{She pays \$713.35}}$

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2 years ago

Arnold took a tray of cookies to a party 90% of the cookies were eating only these 5 remain

e-lub [12.9K]

Answer:

50 in total, 45 were eaten

Step-by-step explanation:

If there's only 10% left and 10% is 5 cookies, then that means for every 10% is 5 cookies so 90 x 5 = 45

8 0

3 years ago

Select the number and name of the terms below (select 2): 2121

mihalych1998 [28]

Its a monomial and it has 4 terms

6 0

2 years ago

Plzzzzz help I don’t understand and this question is worth 23 points that’s how much I need to know how to do this and I need to

butalik [34]

You need PEMDAS
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6 0

2 years ago

Read 2 more answers

In 2016 the United States had a population of about 323 million people and was growing at 0.7 %. Use an explicit exponential mod

ElenaW [278]

Answer:

2047

Step-by-step explanation:

We are given that

Growing rate=0.7%

$\frac{dp}{dt}=\frac{0.7}{100}P$

$\int \frac{dP}{P}=0.007\int dt$

$lnP=0.007t+C$

Using the formula

$\int \frac{dx}{x}=ln x+C$

$P=e^{0.007t+C}=e^{0.007t}\cdot e^C=Ae^{0.007t}$

$e^C=A$

Initially when t=0,P=323 million

Substitute the values

$323 million=A$

$P=323e^{0.007t}$

Now, substitute P=400 million

$400=323e^{0.007t}$

$ln\frac{400}{323}=0.007t$

$ln(1.2384)=0.007t$

$t=\frac{ln(1.2384}{0.007}$

$t=30.5\approx 31 Years$

Year=2016+31=2047

Hence,In 2047 the U.S population will reach 400 million people.

5 0

2 years ago