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Rina8888 [55]
4 years ago
9

What is 6x^2 + 4x + 8 when x=7

Mathematics
1 answer:
Sonja [21]4 years ago
6 0

Answer: 330

Step-by-step explanation: First plugg in 7 for the x. The equation would look like 6(7^2) + 4(7) + 8. Then you would simplify the 7's. 6(49) + 28 + 8. Put like terms together by combining 28 and 8. 294 + 36. That would equal 330.

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What is the approximate circumference of the circle that has a center at (2, 1) and passes through the point (2, 5)?
Firlakuza [10]

Answer:

C. 25

Step-by-step explanation:

Have a great day!

3 0
3 years ago
The price of a calculator decreased from $20 to $18. What is the percent of decrease? *
anastassius [24]

Answer:

the parcentage is 111.11

4 0
3 years ago
What is the equation of the line that passes through the point (5,2) and has a slope<br> of –6/5
koban [17]

Answer:

5y+6x-40=0

Step-by-step explanation:

y-2=-6/5(x-5)

5y-10=-6(x-5)

5y-10=-6x+30

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3 0
3 years ago
Hannah has $500. She buys a camera for $435 and 4 other items for $9 each. Now Hannah wants to buy speakers for $50. Does she ha
Mariana [72]

Answer:

she does not have enough money to buy the speaker

Step-by-step explanation:

Hannah has $500. She buys a camera for $435 and 4 other items for $9 each. Now Hannah wants to buy speakers for $50.

camera for $435

4 items $9 each , 4 times 9 = 36

then buys speaker for $50

435 +36+50=521

Hennah has only $500

but she needs 521 to buy all these things

So she does not have enough money to buy the speaker

5 0
3 years ago
Someone please help asap!!!!! difference of squares
AnnZ [28]

Answer:

The answer to your question is: the last option

Step-by-step explanation:

                                                      m² - 6m + 6m -36

Simplify like terms                                m² - 36    

Factor (difference of squares)        (m + 6) (m - 6)

4 0
3 years ago
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