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3 years ago

Find the sum and express it in simplest form. (-5y^3 - 7y) + (7y^3 + 8y +9)

1 answer:

6 0

<span>(-5y^3 - 7y) + (7y^3 + 8y +9)
</span>

-5y^3+7y^3-7y+8y+9 <---- Group like terms

-5y^3+7y^3+y+9 <---- Add similar elements

Answer: 2y^3+y+9

Read it carefully as it may look confusing with the symbols.

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Can you please Solve for x?

GaryK [48]

tan( 31 ) = x / 39

0.600860619 = x / 39

x = 0.600860619 × 39

x = 23.433564141

______________________________

Round to the nearest tenth :

x = 23.4

Round to the nearest hundredth :

x = 23.43

3 0

2 years ago

. A television is advertised for sale at 33% off. The original price is x dollars. (a) Write two different equivalent expression

Pavlova-9 [17]

Answer:

x-(x times 33%) or x times (100-33)%

Step-by-step explanation:

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2 years ago

For the family picnic, Dana's mom buys a box of 12 forks, a box of 18 spoons, and a box of 24 knives. How many boxes of each wil

SOVA2 [1]

Answer:

Step-by-step explanation:

This is assuming the following:

1) fork boxes comes with 12 count.

2) spoon boxes comes in 18 count.

3) knife boxes comes in 24 count.

Find the least common factor:

12: 12, 24, 36, 48, 60, 72

18: 18, 36, 54, 72

24: 24, 48, 72

72 is the least common factor shared by all these numbers.

3 0

3 years ago

Read 2 more answers

Toni and Marcy partnered together in running laps around a track to raise money for the Children's Hospital's playroom. Toni rai

lutik1710 [3]

X represent the number of laps Marcy swam, 114x represent the number of times Toni swam.

20 + 0.80(114x) + 15 + 0.85x = 257
20 + 91.2x + 15 + 0.85x = 257
92.05x + 35 = 257

Required equation is 92.05x + 35 = 257

3 0

3 years ago

Given the polynomial bellow which statement is true?

lions [1.4K]

Answer:

I think its A

Step-by-step explanation:

I factored the polynomial and its factors turned out to be (x-1)(x^2-2x-4), which eliminated the possibilities of 2 and 3. Then i replaced the (-1) in the place of the x and it turned out to be equal to 2, making the first statement true.

5 0

3 years ago