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3 years ago

15

Help me pls I don’t get it

1 answer:

madam [21]3 years ago

3 0

........The Answer : 5 3/5

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a car travels 54.9 miles in an hour. if the car continues at the same speed for 12hours,how many miles will it travel

Ilia_Sergeevich [38]

Here's what you have to do: multiply. 54.9×12= 658.8. So, he traveled 658.8 miles in twelve hours.

7 0

3 years ago

Y = -5x + 15 2x + y = 12

Nana76 [90]

Answer:

x = 1, y = 10

Step-by-step explanation:

y = -5x + 15 --- Equation 1

2x + y = 12 --- Equation 2

Substitute y = -5x + 15 into Equation 2:

2x + y = 12

2x - 5x + 15 = 12

Evaluate like terms.

15 - 3x = 12

Isolate -3x.

-3x = 12 - 15

Evaluate like terms.

-3x = -3

Find x.

x = -3 ÷ -3

x = 1

Substitute x = 1 into Equation 2:

2x + y = 12

2(1) + y = 12

2 + y = 12

Isolate y.

y = 12 - 2

y = 10

4 0

3 years ago

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(3x²+4x-1) + (-2x²-3x+2)

Vedmedyk [2.9K]

Answer:

(3x²+4x-1) + (-2x²-3x+2)

3x²+4x-1 -2x²-3x+2

3x²-2x²+4x-3x-1+2

x²+x+1

5 0

3 years ago

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Asssssssssaaaaaappppppppp

BigorU [14]

Answer:

7

Step-by-step explanation:

Just multiply all numbers together.

Plz give me brainliest

7 0

2 years ago

SOMEONE PLEASE I NEED HELP Find a polynomial f(x) of degree 4 that has the following zeros. 6, 5, -4, -7 - Leave your answer in

sattari [20]

Answer:

$y=(x-6)(x-5)(x+4)(x+7)$

Step-by-step explanation:

<u><em>Formulate the equation of the polynomial function</em></u>

<u><em /></u> $y=(x-6)(x-5)(x+4)(x+7)$

<em>I hope this helps you</em>

<em>:)</em>

8 0

2 years ago

Read 2 more answers