MATHEMATICS MIDDLE SCHOOL

Help I will give 30 points help me out need ASAP please

Answers

Answer 1

Answer:

Answer:

21 in.

Step-by-step explanation:

The radius is half of the diameter. The diameter (as shown) is 42 inches. Divide that by two to get 21 in.

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X^3-4x^2+x+6=0 solve it

Negative square root of 99

Answers

The square root of a number A is another number B, such that B x B = A. B can be either positive or negative since -B x -B = A. The square root of 99 is re-written as 3 times the square root of 11 by factoring 99 as 9 x 11. The square root of 9 x 11 is the square root of 9 times the square root of 11. The square root of 9 is 3, and thus, the final answer is 3 times the square root of 11.

9.9498743710662 is the answer

What equals 168 in multiplication

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84 times 2 equals 168 in multiplication

Find the area of each figure

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For the pencil shaped shape, we need to split the shape up in 2 parts (which has already been done!). Lets figure out the rectangle first. To find the area of a rectangle it is Length x Width.
a=lxw
a=6x10
a=60m2
(the m2 means square meters)

For the triangle the formula is Base x Height ÷ 2
a=bxh÷2
a=7x6÷2
a=42÷2
a=21m2

Now we just add up the rectangle and triangle area and voila! You have the area!
21+60=81m2
The area of the shape is 81m2

The rectangles area is 60. The triangles area is 21

How can I anwser this one? ?
4x2+16x=0

Answers

$4x^2+16x=0$

$(4x^2+16x)/(4) =(0)/(4)$

$x^2+4x=0$

$x(x+4)=0$

$x=0$

$x+4=0$

$x+4-4=0-4$

$x=-4$

$x=-4,0$

Divide each side of the equation by 4 :

x² + 4x = 0

Factor the left side:

x (x + 4) = 0

This equation is true if x=0 or if x=-4 , so those are the two solutions.

Sandy has box of chocolates. Box cost $2.00. In box has 8 chocolates. How much does each chocolate cost.

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so you must find individual prices.

Start by doing the price($2.00)divided by the amount in box(8)

you should get 0.25 or 25 cents per chocolate

Divide $2.00 by 8 and your answer is $0.25

Genie has 100 feet of fence with which to make a rectangular cage for her rabbit. If she uses the wall of her house as one side, the area of the cage in square feet is given by the polynomial -2w^2+100w, where w is the width of the cage in feet. What is the area of the cage if the width is 15 feet?Got 1050 just looking to confirm

Answers

i got the same too, im think it’s correct

Answer:

yeah, its 1,050

Step-by-step explanation:

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