3 years ago

Find the sum of 5x-y and (2xy+xy)

1 answer:

8 0

Since neither 5x nor -y has a "like term" in 2xy+xy, the sum of these quantities is simply

2xy+xy + 5x - y = 3xy + 5x - y

You might want to write this as y(3x -1) + 5x.

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PQ and QR are 2 sides of a regular 10-sided polygon

gladu [14]

Answer:

Step-by-step explanation:

Measure of inner angle of the n-sided polygon is

$\frac{180(n-2)}{n}$

~~~~~~~~~~~~~~

m∠PQR = $\frac{180(10-2)}{10}$ = 144°

PQ = QR ⇒ m∠QPR = m∠QRP

m∠PRQ = ( 180° - 144° ) ÷ 2 = 18 °

8 0

2 years ago

Read 2 more answers

Hi how expressions are equivalent to the one below? Check all that apply.

djverab [1.8K]

You already have one of the two answer(s) selected... (C). The other answer is E, because (27/9) = 3, then you add x. As letter C, the answer is 3x.

5 0

4 years ago

Write a two column proof. Given: 4y = 2x - 10; y = 6 Prove: x = 17

Ivenika [448]

4y=2x-10

Plug in y

4(6)=2x-10

Simplify

24=2x-10

+10 to both sides

24+10=2x-10+10

Simplify

34=2x

÷2 both sides

17=x

x=17

5 0

3 years ago

Given -6a-5=-95 prove a=15

natima [27]

-6a - 5 = -95

Add 5 on both sides

-6a = -90

Divide -6 on both sides

a = 15

4 0

3 years ago

8.52 > 8.18 Which is the greatest number.

k0ka [10]

Answer:

Step-by-step explanation:

8.18

3 0

3 years ago