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Nadusha1986 [10]

2 years ago

15

At julies fabric store a yard of chiffon fabric cost 7.85. lee plans to purchase 0.8 yard for a craft project if lee gives the c

ashier 10$ how much change will he recieve

1 answer:

Oksanka [162]2 years ago

4 0

$7.85 x .8 yards=$6.28.

$10-$6.28=$3.72 change back

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(x + y + 3)(x + y - 4) multiplying polynomials

Yuliya22 [10]

X^2 + 2xy + -x + y^2 + -y + -12

4 0

3 years ago

Two students, Carlos and Sophie, factored the trinomial -4x2 − 10x + 6. Sophie factored it as -2(2x − 1)(x + 3) and Carlos facto

damaskus [11]

Sophie has factored the term completely while Carlos has not factored the term completely.

Step-by-step explanation:

We need to factor the trinomial:

$-4x^2-10x + 6$

Factoring:

$-4x^2-10x + 6\\Taking\,\,-2\,\,common:\\-2(2x^2+5x-3)\\Now\,\,factoring:\\-2(2x^2+6x-x-3)\\-2(2x(x+3)-1(x+3))\\-2(2x-1)(x+3)$

So, the factored form of $-4x^2-10x + 6$ is $-2(2x-1)(x+3)$

So, Sophie has factored the term completely. The terms are factored when we cannot further simplify it. Since Carlos factored (x+3)(-4x+2) 2 can be taken common from the term (-4x+2) so, it is not factored completely.

Keywords: Factoring the terms

Learn more about Factoring the terms at:

#learnwithBrainly

7 0

2 years ago

What are the solutions to the equation (x+5)2=32 ?

Vsevolod [243]

Answer:

x = 11

Step-by-step explanation:

(x+5)2 = 32

2x + 10 = 32

2x = 32 - 10

2x = 22

x = 11

8 0

2 years ago

Read 2 more answers

Find the derivative of F(x)=-x^4+4x^3+ 70 for 0<=x<=3

timofeeve [1]

Answer:

-4x^3 +12x^2 for 0 < x < 3

Step-by-step explanation:

The power rule is appropriate:

(d/dx)x^n = n·x^(n-1)

This is applied to each of the terms.

F'(x) = -(4·x^3) +4(3x^2) +0

F'(x) = -4x^3 +12x^2 . . . . for 0 < x < 3

__

The derivative is not defined at the endpoints of the interval, so F'(x) is only defined on (0, 3), not [0, 3].

8 0

3 years ago

Hellpppppppppppppppppppp

inna [77]

Answer:

6

Step-by-step explanation:

I just learned about this yesterday. The line inside of the box is the median. The left side of the box, on the number 2, is the lower quartile. The dot on the line to the left, outside of the box, is above the smallest value. The right side of the box is the upper quartile. The line outside of the box on the right is the highest value. Hope this helps!

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2 years ago