3 years ago

Find the area of the trapezoid

Mathematics

1 answer:

sattari [20]3 years ago

4 0

(Base 1 + base 2) divided by 2 times height

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What is the volume of a rectangular prism that is 3 cm by 7 cm by by 7 cm?

natali 33 [55]

Answer:

147 $cm^{3}$

Step-by-step explanation:

7*7*3 = 147

volume of a rectangular prism = length*width*height, in this case, 7*7*3

hope this helps :)

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3 years ago

What’s the third side?

romanna [79]

The anwser is 90 because its 90 degree angle

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3 years ago

4. Roger was growing plants for his science project. He measured the plants every day.

Zinaida [17]

Answer:

the answer could be 10/3 and decimal form is 3.3 and mixed form is 3 1/3 (i hope this helps sorry if I'm wrong!)

Step-by-step explanation:

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2 years ago

State the property that justifies the statement: If 4x + 9 = 15 and X=2y + 1,

GREYUIT [131]

Answer:

Substitution property of equality

Step-by-step explanation:

Given

$4x + 9 = 15$ and $x = 2y + 1$

Then

$4(2y + 1) + 9 = 15$

Required

State the property

From the list of options, (d) answers the question.

This is so because:

Substitution property of equality states that

If $a = b$ then $b = a$

In other words, both can replace one another.

So if $x = 2y + 1$ , then 2y + 1 can be substituted for x in $4x + 9 = 15$

So:

$4x + 9 = 15$ becomes

$4(2y + 1) + 9 = 15$

<em>Hence, it is substitution property of equality</em>

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2 years ago

Which of these is the algebraic expression for "nine less than some number?"

sineoko [7]

Answer:

last one

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers