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3 years ago

Add. (2x^4+x^3−4x^2+3)+(4x^4−2x^3−x^2+10x+2)

Mathematics

2 answers:

son4ous [18]3 years ago

7 0

All you have to do is combine the like terms and the answer is 6x^4-x^3-5x^2+10x+5

Stolb23 [73]3 years ago

7 0

2x^4 + x^3 - 4x^2 + 3 + 4x^4 - 2x^3 - x^2 + 10x + 2
6x^4 - x^3 - 5x^2 + 10x + 5

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5x + 2 = 8x + 5 Help me before I die quick math is so hardddddd

attashe74 [19]

Answer:

x = -1

Step-by-step explanation:

Note: when you send a number across it can change it sign. If it is positive it will turn negative.

5x + 2 = 8x + 5

Send 8x across

5x + 2 - 8x = 5

send 2 across

5x - 8x = 5 - 2

- 3x = 3

Divide both sides by - 3

- 3x/- 3 = 3/- 3

- 3 cancel out - 3

x = 3/ - 3

3 divided by - 3 is - 1

x = -1

4 0

2 years ago

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What number is composed of a whole number and a fraction

Marta_Voda [28]

Answer:

When an expression consists of a whole number and a proper fraction, we define it as a mixed number.

6 0

3 years ago

Rewrite the function f(x)=6(1/4)^2x using properties of exponents

Marizza181 [45]

Answer:

6(1/16)^x.

Step-by-step explanation:

(1/4)^2 = 1/16

so it could be

6(1/16)^x.

6 0

3 years ago

Read 2 more answers

Eight years ago, Manny was 4 years old. Let m equal Manny's age now. Circle every equation that shows Manny's age now.

iVinArrow [24]

Answer:

4+8=M or 4+8=12 or just 12

Step-by-step explanation:

there isnt anything to circle so but since he was 4, 8 years ago, you would add 4 and 8.

5 0

3 years ago

The fence along the length of a ranch measures 4,450.5 meters and the fence along the width of a ranch measures 2,890 meters.

lawyer [7]

Given:Length = 4,450.5 metersWidth = 2,890 meters
1 kilometer = 1,000 meters
Length: 4,450.5 meters * 1km/1,000 meters = 4,450.5 km/1,000 = 4.4505km
Width: 2,890 meters * 1km/1,000 meters = 2,890 km/1,000 = 2.89 km
4.4505 km - 2.89 km = 1.5605 km
The length of the fence is 1.5605 km longer than the width of the fence.

3 0

4 years ago