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Natali5045456 [20]
3 years ago
14

Which expression represents the product of 2xy and 3xy+5y-xy^2

Mathematics
2 answers:
zheka24 [161]3 years ago
8 0
It’s D. Bc you’re multiplying 2xy to the whole second expression. And therefor you get D
galina1969 [7]3 years ago
4 0

Answer:

D. 6x2^2y^2 + 10xy^2 - 2x^2y^3

Step-by-step explanation:

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A gym memebership costs a flat fee of $68 and an additional $19.99 per month.Since she became a member Ellen has paid the gym $2
fomenos

Answer:

She has been a member of the gym for seven months

Step-by-step explanation:

In this question, we are asked to calculate the number of months a customer has been a member of a gym, given the pricing template of the gym.

Now, as we can see from the question, there are two kinds of fees to be paid. The flat fee and the subscript class.

First, let’s represent the number of months she has been a member of the gym by m. This means the total amount of money she has paid for m months would be m * 19.99m

Now, recall, we have a flat fee of $68, adding this to the total monthly payment for m months bring the wages to 19.99m + 68

This is said to equal $207.93

This means;

19.99m + 68 = 207.93

19.99m = 207.93 -68

19.99m = 139.93

m = 139.93/19.99 = 7

3 0
3 years ago
What operation does the power 1/2 represent? Can you think of operations that other fractional powers represent, such as 1/3, 1/
oee [108]
It represents division

7 0
4 years ago
Read 2 more answers
A faucet is used to add water to a large bottle that already contained some water. After it has been filling for 55 ​seconds, th
True [87]

Answer:

y=3x+4

Step-by-step explanation:

Let y be the amount of water in the bottle x seconds after the faucet was turned on.

We have been given that the gauge on the bottle indicates that it contains 19 ounces of water after it has been filling for 5 seconds. After it has been filling for 11 ​seconds, the gauge indicates the bottle contains 37 ounces of water.

We have two points on the line (5,19) and (11,37).

Let us find slope of the line passing through these points.

m=\frac{y_2-y_1}{x_2-x_1}

m=\frac{37-19}{11-5}

m=\frac{18}{6}

m=3

We will write our required equation in slope-intercept form y=mx+b, where, m represents slope and b represents the y-intercept.

Let us find y-intercept by substituting m=3 and coordinates of point (5,19) in slope intercept form.

19=3\cdot 5+b

19=15+b

19-15=15-15+b

4=b

Therefore, our required equation would be y=3x+4.

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4 years ago
What is the height of a cubic prism containing 125 cubes
ladessa [460]
<h3>s³=l,b,h</h3><h3>so,</h3><h3>s³=125</h3>

s =  \sqrt[3]{125}

<h3>s=5 and height =5 cubes</h3><h3>hope it helps :-)</h3>
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3 years ago
Least common multiple of z^2+6z+9 and z^2+z-6
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Hint:    \bf \begin{array}{ccllll}&#10;z^2+6z+9&z^2+z-6\\&#10;\downarrow &\downarrow \\&#10;(z+3)(z+3)&\underline{(z+3)(z-2)}&#10;\end{array}
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