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3 years ago

What is the slope of the line that passes through the points (3, 6) and (1, 2)? Write your answer in simplest form.

Mathematics

1 answer:

Anna35 [415]3 years ago

3 0

Y=x+3
1x being the slope

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325% of what number of gallons is 22.75 gallons?

vagabundo [1.1K]

So for this, we will be forming the equation $x*3.25=22.75$ , and we will be solving for x. (3.25=325%)

For this equation, all you have to do is divide each side by 3.25, and your answer is gonna be $x=7$ gallons.

7 0

4 years ago

A cube has a volume of 2197 m^3. Its surface is to be painted. Each can of paint covers about 40 m^2. How many cans of paint are

Gelneren [198K]

Volume= a³
a=edge
2197 = a³
=> a=13 m
Surface area=6a²=6*13²=6*169=1014 m²
 $\frac{1014}{40}$ = 25,35 ≈ 26
=> 26 cans needed

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3 years ago

A total of $6000 was invested, part of it at 3% interest and the remainder at 8%. If the total yearly interest amounted to $380,

Nastasia [14]

$ 2000 is invested at 3 % interest and $ 4000 is invested at 8 % interest

Solution:

Given that, total of $6000 was invested

Let "x" be the amount invested at 3 % interest

Then, (6000 - x) is the amount invested at 8 % interest

Given that,

The total yearly interest amounted to $380

Then, we can frame a equation as:

$x \times 3 \% + (6000 - x) \times 8 \% = 380$

Solve the above expression for "x"

$x \times \frac{3}{100} + (6000-x) \times \frac{8}{100} = 380\\\\0.03x + (6000-x) \times 0.08 = 380\\\\0.03x + 480 - 0.08x = 380\\\\-0.05x = -100\\\\\text{Divide both sides by -0.05 }\\\\x = 2000$

Thus, $ 2000 is invested at 3 % interest

(6000 - x) = 6000 - 2000 = 4000

$ 4000 is invested at 8 % interest

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4 years ago

B.) Evaluate x + 12 when x = 5

Ulleksa [173]

Answer:

Step-by-step explanation:

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3 years ago

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Nadya [2.5K]

Answer:

Number of Books. Cost (dollars). 7 14. 8 16. 9 18. Find equivalent ratios when the number of books ordered is 1, 2, and 3. Write them as ordered pairs in the form...

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3 years ago