2 years ago

I need help answering these algebra questions, please help me i will qive brainliest to who ever answers first and is correct

Mathematics

1 answer:

Lynna [10]2 years ago

4 0

Answer:

x=5, y=-3, x=-4, y=9

Step-by-step explanation:

1. x=5, is a vertical line cutting the x axis at 5

2. y=-3 is a horizontal line cutting the y axis at -3

3. x= -4, is a vertical line cutting the x-axis at -4

4. y=9, is a horisontal line cutting the y-axis at 9

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^ { (5x ^ { 3 } -7x ^ { 2 } +3x-4)-(8x ^ { 3 } +2x ^ { 2 } +3x-7) }

Tomtit [17]

Answer:

$-3x^{3} -9x^2+3$

Step-by-step explanation:

Given

$(5x^{3} -7x^{2} +3x-4)-(8x ^ { 3 } +2x ^ { 2 } +3x-7) }$

Required

Simplify

$(5x^{3} -7x^{2} +3x-4)-(8x ^ { 3 } +2x ^ { 2 } +3x-7) }$

Open brackets

$5x^{3} -7x^{2} +3x-4-8x^3 -2x^2 -3x+7$

Collect Like Terms

$-8x^3+5x^{3} -7x^{2} -2x^2+3x -3x-4+7$

Simplify like terms

$-3x^{3} -9x^2+3$

6 0

2 years ago

Two combines can harvest 320 acres of wheat in a certain amount of time. Assuming all combines work at the same rate, how many a

hoa [83]

2 combines = 320 acres
320/2 = 160 acres per combine
160 * 6 = 960
Answer: 960 acres

Hope this helps!

4 0

2 years ago

Is y = 3/2x +5/4 and -2x+8y=-25 a solution

nekit [7.7K]

Answer: x=-35/10

y=-4

Step-by-step explanation:

y = 3/2x +5/4

-2x+8y=-25

--------------------

replace y in second equation with: y = 3/2x +5/4

-2x+8(3/2x+5/4)= -25

-2x+12x+10= -25

10x=-35

x=-35/10

x=-3.5

7+8y= -25

8y=-32

y=-4

7 0

2 years ago

Daphne rolls two 6-sided number cubes. What is the probability that she rolls

Alex Ar [27]

The answer is A. 2/36 or 1/18

7 0

2 years ago

Read 2 more answers

While watching a football game, Jordan decided to list yardage gained as positive integers and yardage lost as negative integers

koban [17]

Answer:

There is a loss of 2 yards.

Step-by-step explanation:

To find the overall gain or loss, we add or subtract there values.

Initially, we have 0 yards.

Records 14, so 0 + 14 = 14, that is, for now a gain of 14

Then loses 7, so 14 - 7 = 7, for now a gain of 7.

Then, 7 - 9 = - 2, so in all, there is a loss of 2 yards.

3 0

2 years ago