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Mathematics

1 answer:

Amanda [17]2 years ago

7 0

Answer:

Step-by-step explanation:

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Almonds cost $15.50 for 6 pounds. Find the unit rate. Round to the nearest cent if necessary.

Salsk061 [2.6K]

15.50 for 6 lbs......15.50/6 = $ 2.58 per lb

4 0

3 years ago

The diameter of the moon is about 3500 km. Approximate the surface area of the moon using the formula for the surface area of a

horrorfan [7]

Answer:

$3.8465 *10^7$ square kilometers

Step-by-step explanation:

The surface area of a sphere can be found using the formula $SA=4\pi r^2$ . Since the diameter is 3500 km then its radius is half of this. 3500 divided in two is 1,750 units. Substitute r=1,750.

$SA=4\pi r^2\\SA = 4 \pi (1750)^2\\SA = 4 \pi *3,062,500\\SA =38,465,000$

The surface area of the moon is about 38,465,000 square kilometers. Write this is scientific notation using base. $3.8465 *10^7$

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2 years ago

--12 + 8x < -44 i need help

tigry1 [53]

The answer to this problem is x<-4

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2 years ago

What is adaptation?plz answer

mariarad [96]

Answer:

the action or process of adapting or being adapted

Step-by-step explanation:

In evolutionary theory, adaptation is the biological mechanism by which organisms adjust to new environments or to changes in their current environment. ... The idea of natural selection is that traits that can be passed down allow organisms to adapt to the environment better than other organisms of the same species

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3 years ago

Read 2 more answers

What is 0.005 in percent and fraction

Sati [7]

For percent, you just move the decimal over two spaces to the right, and add the percent sign. In which that would be:
<em> .5%</em>
And for the fraction: Since the 5 is in the thousandths place, the fraction would equal to:
$\frac{5}{1000}$ when simplafied: $\frac{1}{200}$

~Hope this helped :)

4 0

2 years ago