3 years ago

Combine like terms. 0.5(×^4-7)+16=

Mathematics

2 answers:

bazaltina [42]3 years ago

6 0

The answer is 0.5x^4+12.5

ANTONII [103]3 years ago

3 0

I wish I knew but someone will help you eventually

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Factor 5a^2-30a+45, and 2x^5+x^4-2x-1.

Mrrafil [7]

Step-by-step explanation:

${5a}^{2} - 30a + 45$

$5( {a}^{2} - 6a + 9)$

5(a-3)(a-3)

5(a-3)^2

${2x}^{5} + {x}^{4} - 2x - 1$

X^4(2x+1) - (2x+1)

(x^4-1)(2x+1)

(x^2-1)(x^2+1)(2x+1)

(x-1)(x-1)(x^2+1)(2x+1)

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2 years ago

a picture has painted 75% of a wall the area so far is 108 square feet what is the total area of the wall that he needs to paint

Kipish [7]

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27 more

Step-by-step explanation:

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2 years ago

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An acorn is falling from 13 feet in the air. If it descends 4.8 feet every second, write and solve an equation to determine how

podryga [215]

Answer:

2.5

Step-by-step explanation:

12/4.8

5 0

3 years ago

Which are partial products for 68 × 43?

blagie [28]

Partial products are the products obtained during the intermediate stages in order to complete a multiplication process.

Consider 68 $\times$ 43, we have to determine the partial products in this.

Now, $68 \times 43$

Expanding this, we get

$(60+8) \times (40+3)$

= $(60\times 40) +(60 \times 3) + (8 \times 40) + (8 \times 3)$

= 2400 + 180 + 320 + 24

= 2924

Hence, $8 \times 40=320$ and $8 \times 3 = 24$ are the required partial products in the product of 68 and 43.

So, Option 3 and 4 are the correct answers.

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2 years ago

Peaches come in large and small cylindrical cans. The larger can has a radiusand height that are both four times longer than the

Alik [6]

Answer:

D. 2058.24 in³

Step-by-step explanation:

Let r,h be the radius and height of smaller can and R,H be the radius and height of larger can

Then, R=4r and H=4h

Volume of smaller can=32.16 in³

⇒ πr²h=32.16 in³

Volume of larger can= πR²H

= π(4r²)×4h

= 64πr²h

= 64×32.16 in³

= 2058.24 in³

Hence, correct option is:

D. 2058.24 in³

7 0

2 years ago

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Combine like terms. 0.5(×^4-7)+16=​

Combine like terms. 0.5(×^4-7)+16=