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3 years ago

P^2+13p+40/p-1 * 1/p+8

Mathematics

1 answer:

Ostrovityanka [42]3 years ago

6 0

p3 + 13p2 + 8p + 39
———————————————————
p

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One week Jenna rented 4 DVDs and 2 Video Games for $18, the next week she rented 2 DVDs and 1 video game for 9$. Find the rental

tangare [24]

To do this problem you have to create two equations. one would be 18=4x+3y
an the other would be 9=2x+y. in this eqaution X is the number of DVDs and Y is the number of Video games. Then you solve for Y in the second equation and you get y=-2x+9. After that you then input this equation in for the other equation and you will have 18=4x+3(-2x+9). you solve for X in this problem and then you take the answer of x and put it in for x in the other equation.
so, 18=4x-6x+27
subtract 27 and add the 4x and -6x
-9=-2x
x=4.5
after this you put it in the other equation
9=-2(4.5)+y
multiply the -2 and 4.5
9=-9+y
add the 9
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3 years ago

An assembly-line machine turns out washers with the following thicknesses (in millimeters). Find the mean and standard deviati

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❀I've attached how to solve your question below❀
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5 0

3 years ago

A dust particle weighs 7.42 × 10-10 kilograms. What is the weight of 5 × 106 dust particles represented in scientific notation?

vova2212 [387]

5 x 106 = 530 particles

530 x 7.42x10^-10 = 3.93x10^-7

7 0

3 years ago

Read 2 more answers

What is the distance between the points (21,-30) and (3,8)

Scilla [17]

Answer:

approximately 42.05

Step-by-step explanation:

We know that the distance formula is $\sqrt{(x_{2}-x_{1})^{2} +(y_{2}-y_{1})^{2} }$ , so if we use (3,8) as point 2 and (21, -30) as point 1 (note that these are interchangeable), we know that

x₂=3

y₂=8

x₁=21

y₁=-30

Then, we can plug it into the formula to get $\sqrt{(3-21)^{2} +(8-(-30))^{2 }} = \sqrt{18^{2}+38^{2}}=sqrt{1769}= 42.05 (approximately)$

5 0

3 years ago

Pls I need help

Lelu [443]

(1) A part to whole ratio compares different parts of the group to each others is true.

(2) the ratio 3:1 can also be written as 1 to 3 is false.

(3) A part to whole ratio can be written as a fraction, a decimal, and a percent is true.

(4) two term and three term ratios compare quantities measures in different units is false.

(1) A ratio has two parts, a numerator and a denominator.

Example: if we have 2 oranges and 3 apples in a fruit basket.

fruits ratio = 2:3

total fruits ratio = 5

fraction of orange = $\frac{2}{5}$

fraction of apple = $\frac{3}{5}$

This ratio compares a part of each fruit to the whole

Thus, a part to whole ratio compares different parts of the group to each others is true.

(2) The ratio 3:1 is written as $\frac{3}{1} =3$ .

Thus, the ratio 3:1 can also be written as 1 to 3 is false.

(3) the ratio 2:3, has the following fractions, decimal and percentage with respect to whole ratio;

fraction of 2 = $\frac{2}{5}$ , decimal = 0.4, percentage = 40%

fraction of 3 = $\frac{3}{5}$ , decimal = 0.6, percentage = 60%

Thus, a part to whole ratio can be written as a fraction, a decimal, and a percent is true.

(4) the units of the quantities compared have to be the same in order to find their ratios.

Thus, two term and three term ratios compare quantities measures in different units is false.

Learn more here:brainly.com/question/2284943

6 0

3 years ago