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3 years ago

What is the sum? 3(2x + 3) + 2(x + 5)

Mathematics

1 answer:

svetlana [45]3 years ago

5 0

Answer:

A: 8x + 19

Step-by-step explanation:

3(2x+3) = 6x + 9

2(x+5) = 2x + 10

6x+9 + 2x+10 = <u>8x + 19</u>

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What number is in between 3.75 and 4.00?

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3.76, 3.77, 3.78, 3.79, 3.80, 3.81, 3.82, 3.82, 3.83,

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3 years ago

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Given, f(x)=x²-2x+3, find f(-2)

Angelina_Jolie [31]

Answer:

Step-by-step explanation:

(-2)^2-2(-2)+3

(-2)(-2)+4+3

4+4+3

8+3

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3 years ago

What is the answer to this equation |x + 1| = 6

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2 years ago

I’m kinda confused. Can someone help.

horsena [70]

Answer:

PQ = $PM\cos MPQ + MQ\cos MQP=2PM\cos MQP$

Step-by-step explanation:

given MQR = 60, PQR = 75

MQP = 75 -60= 15 $QR = ((18(1+\cos 30))^{2}-(2\cos 15)^{2})^{\frac{1}{2}}$

WE KNOW THAT MQR +QRM +QMR = 180

MPQ = MQP AS ANGLE OPPOSITE TO EQUAL SIDES ARE EQUAL

THEREFORE QMR = 90 - 60 = 30

therefore PQM = 75 - 60 = 15

PM = PQ because M is the mid point

therefore PR = PM + $MQ\cos QMR$

PR = $18(1+\cos 30)$

$QR = (PR^{2}-PQ^{2}))^{\frac{1}{2}}$

PQ = $PM\cos MPQ + MQ\cos MQP=2PM\cos MQP$

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3 years ago

F h(x) = 6 – x, what is the value of (h circle h) (10)?

insens350 [35]

Answer:

Step-by-step explanation: when h(x) = 10

h(x)= 6-x

h(10)= 6-10

=-4

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2 years ago

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