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2 years ago

The sum of three decimals. 23.56 2.56 2.5892. Step by step I need to show my work.

Mathematics

2 answers:

Volgvan2 years ago

7 0

Answer:

28.7092

Step-by-step explanation:

2.5892 + 23.5600 = 26.1492

26.1492 = 28.7092

Papessa [141]2 years ago

6 0

Answer:

28.7092

Step-by-step explanation:

Line up the decimals,

23.56

2.56

+2.5892

________

Add normally like you would from right to left
bring the decimal straight down and you will get the answer

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Step-by-step explanation:

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2 years ago

What is the value of x? 27(x+4)=−6

jonny [76]

First you need to use the distributive property: 27(x+4)=-6
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5 0

3 years ago

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

3 years ago