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k0ka [10]
3 years ago
9

What is the difference of (2x+7)-(8x+5)

Mathematics
1 answer:
Anarel [89]3 years ago
5 0

Answer:

If you need the equation: 10x - 12

If you need the equation more simplified: x - 1.2

Step-by-step explanation:

(2x + 7) - (8x + 5)

Move the parts of the equation around

(2x + 8x) - (7 + 5)

Add 2x and 8x together

10x - (7 + 5)

Add 7 and 5 together

10x - 12

If you need it even more simplified, continue

10x - 12

Divide by 10

x - 12/10

Simplify

x - 1.2

I Hope That This Helps! :)

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Darina [25.2K]

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4

Step-by-step explanation:

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Find the measure of MNQ
xz_007 [3.2K]

Answer:

m∠MNQ = 158

Step-by-step explanation:

As it can be seen in the figure:

+) The measure of arc MQ = 91 degree

+) The measure of arc RP = 225 degree

As this is the circle, four points M, Q, P and R are on the circle, so that we have:

+) m∠RMP = 1/2. measure of arc RP = 1/2 x 225 = 112.5 degree

As N is on MP

=> m∠RMN = m∠RMP = 112.5

+) m∠ MRQ = 1/2 measure of arc MQ = 1/2 x 91 = 45.5 degree

As N is on RQ

=> m∠MRN = m∠MRQ = 45.5

In the triangle RMN, the total measure of 3 internal angles is equal to 180 degree, so that:

m∠MNR + m∠RMN + m∠MRN = 180

=> m∠MNR + 112.5 + 45.5 = 180

=> m∠MNR  = 180 -112.5 -45.5 = 22

As N is on QR

=> m∠MNR + m∠MNQ = 180

=> m∠MNQ = 180 - m∠MNR  = 180 - 22 = 158

So that m∠MNQ = 158

8 0
3 years ago
The revenue of the company is given by the equation R = x (1000 – 4x), where R is the revenue of the company in dollars when thy
ad-work [718]

Answer:

100 or 150 units of the product.

Step-by-step explanation:

R = x(1000-4x)

What is the value of x if R = 60,000?

x(1000-4x) = 60000

-4x^2 + 1000x = 60000

x^2 - 250x = -15000

x^2 - 250x + 15000 = 0

Factorize:

(x-100)(x-150) = 0

x-100 = 0 V x-150 = 0

x = 100 V x = 150

6 0
3 years ago
0.01v+0.09(8000-v)=650
vova2212 [387]

Answer:

v = 875

Step-by-step explanation:

0.01v + 0.09(8000-v) = 650

Multiply the parenthesis

0.01v + 720 - .09v = 650

Combine like terms

720 - 0.08v = 650

Add 0.08v to both sides

720 = 650 + 0.08v

Subtract 650 from both sides

70 = 0.08v

Divide by 0.08 on both sides

v = 875

Hope this helps :)

5 0
3 years ago
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