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jeyben [28]
3 years ago
6

Do you guys know this?

Mathematics
1 answer:
cluponka [151]3 years ago
4 0

Answer:

8,510 mm3

Step-by-step explanation:

Alright so first you gotta find the volume of the house. And then the chimney. To find volume, multiply LxHxW

Chimney: 11x5x2=110

House: 20x21x20=8,400

8,400+110=8,510

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8 meters increased by 25% is how many meters.
vampirchik [111]
Since 25% is 1/4 of 100%, then you do 8/4 and you get 2 and then you do 2 + 8 = 10.
7 0
3 years ago
Read 2 more answers
What is the factored form of the expression 9x2 + 6x + 1?
DanielleElmas [232]

Answer:

(3x + 1)²

Step-by-step explanation:

Given

9x² + 6x + 1 ← is a perfect square of the form

(ax + b)² = a²x² + 2abx +  b²

Compare like terms to find a and b

a²x² = 9x² ⇒ a² = 9 ⇒ a = \sqrt{9} = 3

b² = 1 ⇒ b = \sqrt{1} = 1

and 2ab = 2 × 3 × 1 = 6

Thus

9x² + 6x + 1 = (3x + 1)²

4 0
3 years ago
Which of the following is a solution of x2 + 5x = −2?
adoni [48]
X^2 + 5x = -2
x^2 + 5x + 2 = 0

x = -b (+-) sqrt (b^2 - 4ac) / 2a
a = 1, b = 5, and c = 2

x = -5 (+-) sqrt (5^2 - 4(1)(2)) / 2(1)
x = -5 (+-) sqrt (25 - 8) / 2
x = -5 (+-) sqrt (17) / 2

answer is : negative 5 plus or minus the square root of 17 divided by 2
4 0
3 years ago
Read 2 more answers
The length of the rectangle is 3 times its width.
Blizzard [7]

Answer:

Since length is three times, hence it is 6 inches.

let the width be x.

then, length= 3x

perimeter= 16 inches.

perimeter of a rectangle = 2( L+B)

2(3x+x)=16.

3x+x= 16÷2

4x= 8

x= 2

since length=3x

hence, 3×2= 6 inches

4 0
3 years ago
The measure of ∠BCD is 120°. The measure of ∠ABC is 85°.
saveliy_v [14]

Answer:

Step-by-step explanation:

Chill out, what ya yellin' for?

Lay back, it's all been done before

And if, you could only let it be, you will see

I like you the way you are

When we're driving in your car

And you're talking to me one on one, but you become

Somebody else

'Round everyone else

You're watching your back

Like you can't relax

You try to be cool

You look like a fool to me

Tell me

4 0
3 years ago
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