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jeyben [28]
2 years ago
6

Do you guys know this?

Mathematics
1 answer:
cluponka [151]2 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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Solve the following equation:<br> a) 3x - 9 = 27/ 1 - 5x<br> b) 10x - 1/x = 3
mars1129 [50]

Answer:

A) x=9/2 B) x=-1/5, 1/2

Step-by-step explanation:

3x-9=27/1-5x

3x-9=27-5x

3x-(-5x)-9=27

3x+5x-9=27

8x-9=27

8x=27+9

8x=36

x=36/8

simplify

x=9/2

Answer: x=9/2

-----------------------------

10x-1/x=3

(10x^2-1)/x=3

10x^2-1=3*x

10x^2-1=3x

10x^2-3x-1=0

factor out the trinomial,

find two numbers that when they multiply,

you get the third term, which is -1 in this case.

When you add those 2 numbers, you get the second term,

which is -3 in this case.

(5x+1)(2x-1)=0

apply the zero property from here,

set 5x+1=0 and 2x-1=0 and solve for x.

5x=0-1=-1, x=-1/5,

2x=0+1=1, 2x=1, x=1/2.

So x=-1/5, 1/2.

5 0
2 years ago
I need the answer to y=2x+7 in a graph and passes through (3,3)
nevsk [136]

The slope-intercept form is y = 2x-3.

<u>Step-by-step explanation</u>:

Given,

  • The equation of the line is y=2x+7.
  • The general equation of the line is in the form y= mx+c.
  • where 'm' represents the slope of the line.

<u>Comparing the given equation with general equation, it can be determined that</u> :

m = 2 and c = 7 (y-intercept).

The given line passes through the point (3,3) which is equal to (x1,y1)

Therefore, x1=3 and y1=3.

Substitute m=2 and the values of (x1,y1) in the slope-intercept form,

The slope-intercept form is (y-y1) = m (x-x1)

(y-3) = 2(x-3)

y = 2x-6+3

y = 2x-3

4 0
2 years ago
Missing numbrr of unit rate for 32/8= ?/1
galina1969 [7]

Answer:

4/1

Step-by-step explanation:

8/8=1, so 32/8=4

3 0
3 years ago
Read 2 more answers
I don't understand a single thing on how to get an answer. you know how to answer it?
Ainat [17]

Answer:

it is 6^3

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Ron made a scale drawing of his bedroom. The scale in
Tamiku [17]

Answer:

5.2\:\mathrm{in}

Step-by-step explanation:

We can set up the following proportion and solve for length (\ell):

\frac{2}{5}=\frac{\ell}{13},\\\\\ell=\frac{2\cdot 13}{5}=\frac{26}{5}=\boxed{5.2\:\mathrm{in}}

6 0
2 years ago
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