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4 years ago

Expand the expression (r-4)(8)

Mathematics

1 answer:

Gnom [1K]4 years ago

7 0

R - 4 x 8 is the expanded expression

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Factor a ^3 - 3 + 3a^2 - a.

mafiozo [28]

Answer: (a+3)(a+1)(a−1)

Hope this helps :)

Step-by-step explanation:

6 0

3 years ago

Find the product. 2 1/4⋅1 2/3 Write the answer as a mixed number.

Sati [7]

The product is 3 and 3 4ths (3 3/4)

7 0

3 years ago

Read 2 more answers

What is the maximum value of the objective function, P, with the given constraints?

maksim [4K]

Answer:

Option C - 420

Step-by-step explanation:

Given : Objective function, P, with the given constraints

$P=20x+35y$

Constraints,

$x+y \leq 12$

$5x+y \leq 20\\x \geq 0\\y \geq 0$

To find : What is the maximum value

Solution :

First we plot the graph through the given constrains.

As they all move towards the origin the common region of the equations is given by the points (0,0), (0,12), (2,10), (4,0)

Refer the attached figure.

So, we put all the points in P to, get maximum value.

$P=20x+35y$

Point (0,0)

$P=20(0)+35(0)=0$

$P=20x+35y$

Point (0,12)

$P=20(0)+35(12)=420$

Point (2,10)

$P=20(2)+35(10)=40+350=390$

Point (4,0)

$P=20(4)+35(0)=80$

Therefore, The value is maximum 420 at (0,12)

So, Option C is correct.

8 0

3 years ago

Nicki Plans to attend a state university in two years. Thanks to girls from relatives and earnings from an afterschool job, she

Crazy boy [7]

Answer:

Step-by-step explanation:

Thanks to girls from relatives and earnings from an afterschool job, she has already saved $3700. If she's a seed in her goal of saving $150 per month, then if she saves for x months, the total amount that she would be have earned is

150x + 3700

1 year = 24 months

If she saves for 2 years, it means that the number of months for which she saved is 2 × 12 = 24 months. Therefore, the total amount

that she will have two years from now is

150 × 24 + 3700

= 3600 + 3700

= $7300

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3 years ago

Hello!) this is math :( Can you help me please?

Zarrin [17]

The standard form: Ax + By = C.

The point-slope form:

$y-y_1=m(x-x_1)$

6. We have m =-2 and the point (-7, -10). Substitute:

$y-(-10)=-2(x-(-7))\\\\y+10=-2(x+7)\qquad|\text{use distributive property}\\\\y+10=(-2)(x)+(-2)(7)\\\\y+10=-2x-14\qquad|-10\\\\y=-2x-24\qquad|+2x\\\\\boxed{2x+y=-24}$

7. We have m = 4 and the point (-3, 0). Substitute:

$y-0=4(x-(-3))\\\\y=4(x+3)\qquad|\text{use distributive property}\\\\y=(4)(x)+(4)(3)\\\\y=4x+12\qquad|-4x\\\\-4x+y=12\qquad|\text{change the signs}\\\\\boxed{4x-y=-12}$

6 0

4 years ago