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Wittaler [7]
2 years ago
13

Shana used a table to multiply the polynomials 2x + y and 5x – y + 3. Her work is shown below.

Mathematics
2 answers:
Hatshy [7]2 years ago
7 0

Answer:

-2y, -2xy

Step-by-step explanation:

dig bick

Agata [3.3K]2 years ago
4 0

Answer:

-2y, -2xy

Step-by-step explanation:

got it correct on the assignment :)

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Hey Guys...I need help again... Which graph represents a proportional relationship?
sukhopar [10]

Answer:

A

Step-by-step explanation:

For a graph to be representative of a proportional relationship, it must meet the following criteria:

1) It is a straight line.

2) It passes through the origin point (0,0).

3) It is neither horizontal nor vertical*.

We can see that D is not a line. So, D is not a proportional relationship.

We can also see that B and C are vertical and horizontal, respectively. They also do not cross the origin.

The only choice that is a straight line and also crosses through the origin point is A.

So, our answer is A.

And we're done!

*Note: Vertical lines are not proportional because they are not a function.

Horizontal lines are not proportional because they has a constant of proportionality of 0, which can't be the case.

8 0
3 years ago
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Stels [109]

Answer: the answer is 224cm3

6 0
2 years ago
Mrs. Terrace cut a small birthday cake into 6 equal pieces for 6 children. One child was not hungry, so she gave the birthday bo
ELEN [110]

Missing part of question:

Draw a tape diagram to show how much cake each of the five children received.

Answer:

See attachment

Step-by-step explanation:

Given

Equal\ Pieces = 6

Children = 5

Required

Tape diagram to represent the scenario

Because one child is not hungry, the number of children to share the cake becomes 6.

So, first we calculate the share of each child.

Share = \frac{Pieces}{Children}

Share = \frac{6}{5}

Share = 1.2

See attachment for tape diagram

The tape diagram implies that:

5 * 1.2 = 6

or

\frac{6}{1.2} = 5

or

\frac{6}{5} = 1.2

4 0
3 years ago
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IgorC [24]

Answer: x is, 2 6 8 10 20-- i think

Step-by-step explanation: y is, 2 3 4 6 10

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ivann1987 [24]

Answer:

2070 inches

Step-by-step explanation:

V = W x L x D

  = 18 x 10 x 11.5 = 2070 inches

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