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3 years ago

10

Pls help not really getting this

1 answer:

LenaWriter [7]3 years ago

8 0

A proper fraction is a fraction such as 3/5, or 2/4, any fraction where the numerator is less than the denominator. Then it says "the whole is divided into an even number of equal parts, and an odd number of those parts exists." Such as 1 3/5. From my understanding, you then divide by 2, which would give you 0.8, which could then be turned into 0.4 if that's what your teacher wants you to do. In the end, there will be no odd number.

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K=1/2mv^2 solve for v

jeka94

Answer:

$v=\sqrt{\frac{2k}{m}}$

Step-by-step explanation:

$k=\frac{mv^{2}}{2}$

$2k=mv^2$

$\frac{2k}{m}=v^2$

$v=\sqrt\frac{2k}{m}$

8 0

4 years ago

The eqaution d=m/v can be used to calculate the density d an object with a mass and volume v. Which is an equivalent equation so

kodGreya [7K]

v = $\frac{m}{d}$

given d = $\frac{m}{v}$

multiply both sides of the equation by v, hence

dv = m ( divide both sides by d )

v = $\frac{m}{d}$

8 0

3 years ago

Read 2 more answers

Como se hace -8n+7=31

velikii [3]

-8n+7=31
-8n+7-7=31-7
-8n=31-7
-8n=24
-8n÷(-8)=24÷(-8)
n=24÷(-8)
n=-24÷8
n=-3

8 0

4 years ago

Solve by substitution y = 2x - 5 and 3y - x = 5

Nostrana [21]

Answer:

(x, y) = (4, 3)

Step-by-step explanation:

The first equation gives an expression for y that can be substituted into the second equation:

3(2x -5) -x = 5

5x -15 = 5 . . . . . . simplify

5x = 20 . . . . . . . .add 15

x = 4 . . . . . . . . . . divide by 5

y = 2(4) -5 = 3 . . substitute for x in the first equation

(x, y) = (4, 3)

__

Solution by graphing confirms this result.

6 0

3 years ago

each bag of cereal should contain 350 grams. a box was selected at random and weighed 342 grams. what is the percent error?

gayaneshka [121]

Answer:

the percentage error is 0.02286 x 100% = 2.286%.

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers