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2 years ago

What is mBD ? A.112 B.168 C.126 D.154

Mathematics

2 answers:

defon2 years ago

7 0

its bok guys bbbbbb

Marrrta [24]2 years ago

3 0

I think the correct answer is B

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Ben spent of an hour cleaning his room. His sister spent 3 times as many hours cleaning her room. How many hours did Ben and his

dlinn [17]

Idk what it has to do with simplifying but what I would do is multiply 1 times 3. That gives u 3. Then add Ben's one hour and Brooke's 3 hours together. That gives u 4 hours total.

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3 years ago

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Simplify the product using FOIL. (4x + 3)(2x + 5)

Dafna1 [17]

8x^2+20x+6x+15. Combine like terms. 8x^2+26x+15. When using foil just multiply the contents of one pair of brackets on another pair.

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2 years ago

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The diagram shows the net of a juice box. The box is a rectangular prism.

Hoochie [10]

Answer:

269.6 square centimeters

Step-by-step explanation:

The correct question is

The diagram shows the net of a juice box. the box is a rectangular prism. what is the surface area of the juice box? 6.4 cm 4 cm 10.5 cm

we know that

The surface area of a rectangular prism is equal to

$SA=2B+PH$

where

B is the area of the base

P is the perimeter of the base

H is the height of the prism

we have

$L=6.4\ cm\\W=4\ cm\\H=10.5\ cm$

Find the area of the base B

$B=LW$

substitute the given values

$B=(6.4)(4)=25.6\ cm^2$

Find the perimeter of the base P

$P=2(L+W)$

substitute the given values

$P=2(6.4+4)=20.8\ cm$

Find the surface area

$SA=2B+PH$

substitute

$SA=2(25.6)+(20.8)10.5=269.6\ cm^2$

6 0

2 years ago

7 in.

fgiga [73]

258 cubic inches

Since the boxes are kind of on their own—>
First box: 7*2*12 = 168
Second box: 5*2*9=90
168+90 = 258

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2 years ago

1. 2 4/5v-2/3(4v+1 1/6)

Lerok [7]

1. -48v-5/45 2.44-r/2 3. x=2

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