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3 years ago

12

I’m stuck on all of these :( any help would be very appreciated

1 answer:

dem82 [27]3 years ago

8 0

Answer:

1. 8x^3+6x^2+7

Step-by-step explanation:

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I have a rectangle with a length of 7 cm and a perimeter of 38 cm. Find the area of the rectangle?

Alex17521 [72]

Answer:

area is 84

Step-by-step explanation:

perimeter is 38(p)

length (l) is 7cm

width is?(w)

p=2(l+w)

38=2(7+w)

38=14+2w

2w=38-14

2w=24

w=12

area=l*w

12*7

=84

8 0

2 years ago

Please solve all and work needs to be shown ❤️❤️

Alex73 [517]

1).

a=bh

=(13)(9)

=117in^2

2).

A=1/2h(b1+b2)

=1/2(14)(15+9)

=168cm^2

3).

A=1/2d1d2

=1/2(18)(11)

=99in^2

4 0

2 years ago

The Commutative Property states that the order of terms in an expression does not affect the outcome. Which of the following ope

tigry1 [53]

I think the answer is B

4 0

2 years ago

Given m || n, which pair of angles are not vertical angles?

vodomira [7]

Answer:

a

Step-by-step explanation:

its right

8 0

2 years ago

Read 2 more answers

Jenna is making hamburgers. She puts sauce on every 2nd burger, pickles on every 3rd burger, and onions on every 5th burger.How

kotykmax [81]

Answer:

3

Step-by-step explanation:

find the lowest common multiple of 2, 3, and 5.

That is 30.

So every 30th burger will have all 3 condiments.

100/30 = 3 and 10 left over.

We only care about the 3

3 0

2 years ago