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2 years ago

Complete the table to show the steps for combining like terms.

Mathematics

1 answer:

Damm [24]2 years ago

6 0

The simplified form of the expression is 8.3y + 3.1

<h3>Equations and expressions</h3>

Given the following equations

(8-0.2+0.5)y + (2.2+1.3 - 0.4)

First is to Reorder the expression to have:

(8+0.5-0.2)y + (2.2+1.3 - 0.4)

Group the resulting expression

[8.5-0.2]y + (3.5 - 0.4)

Simplify the result

8.3y + 3.1

Hence the simplified form of the expression is 8.3y + 3.1

Learn more on factoring here: brainly.com/question/24734894

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10. rhombus abcd has vertices at a(-2, 7), b(8, 7), c(2, -1), and d (-8, -1).

horrorfan [7]

Answer: 80

Step-by-step explanation:

We can use the formula $A=\frac{d_{1}d_{2}}{2}$ , where $d_{1}, d_{2}$ are the lengths of the diagonals.

By the distance formula,

$AC=\sqrt{(-2-2)^{2}+(-1-7)^{2}}=\sqrt{16+64}=4\sqrt{5}\\BD=\sqrt{(-8-8)^{2}+(-1-7)^{2}}=\sqrt{256+64}=8\sqrt{5}$

So, the area is $\frac{(4\sqrt{5})(8\sqrt{5})}{2}=\boxed{80}$

6 0

2 years ago

The formula for the area of a rectangle is A = low. Solve the formula for I

Anna [14]

L = A/W

Length equals area divided by width

5 0

3 years ago

30 points !!!

Assoli18 [71]

We look at the point that has not moved and another point (if neccecary)

the point that has not moved is on the axis of reflection
that pont is D
we see in my diagram that the only axis that that is on is x=0

the answer is B. x=0

8 0

3 years ago

X2 - 1 In Out 5 9 -3 -7 7 -20

DerKrebs [107]

Answer:

|4| = |7|

this is the answer of this question

4 0

3 years ago

What shape doesn’t have a rectangular face

GrogVix [38]

Answer:

Step-by-step explanation:

a traingle because it doesnt use any rectangular faces it only uses traingular forms or even a speer a speer has no rectangular sides

4 0

2 years ago