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LekaFEV [45]
3 years ago
14

Please Help! I need an explanation on how to solve this, I am really confused.

Mathematics
1 answer:
ch4aika [34]3 years ago
7 0

4x-3y=-9

The first step is to isolate your y value.

Subtract 4x from both sides to get

-3y=-4x-9

Then, divide your whole equation by -3. This gives you y=4/3+3

To graph, plot (0, 3), or three on your y-axis to get your y-intercept.

For your slope, use the rise/run (go up 4, across 3)

You should have a positive slope.

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The perimeter of a notebook is 44 inches the notebook is 10 inches wide how tall is it?
tatyana61 [14]
Answer=36inches tall

Explanation= 44+10= 54
90-54=36in
5 0
3 years ago
Ppppplllllllllzzzzzzz helppppppppp -7/9 - 5/10
Lyrx [107]
Simplify 5/10 to 1/2

find the LCD of both fractions and that would be 18

make the denominators the same as the LCD

Simplify, now denominators are equal

join the denominators

simplify it now (23/-18)

convert to mixed fraction 

Answer: -1 5/18.

7 0
3 years ago
Please help me with this problem! I am so confused: This system of equations shows x by itself on the left side of one equation.
andrew-mc [135]

Answer:

x=-6

y=4

Step-by-step explanation:

x=-y-2        x=-y-2             x=-y-2         x=-y-2         x=-y-2   x=-4-2   x=-6

0.5x+y = 1  0.5(-y-2)+y=1  -0.5y-1+y=1  -y-2+2y=2  y=4       y=4       y=4

7 0
3 years ago
Consider this cube with a volume of 64 cubic centimeters. A cube with volume 64 centimeters cubed. What can be concluded of this
BabaBlast [244]

Answer: B) this is a perfect cube.  D )the side length is 4.    E)taking the cube root of the volume will determine the side length.

Step-by-step explanaion:  just guessed and it told me it was right on edunuity 2020.

HOPE I HELPED PLZ GIVE BRAINLIEST:)

3 0
3 years ago
Read 2 more answers
The Oriental Pearl Tower in Shanghai, China, is a 468-meter high tower with 11 spheres along the tower. Two spheres are larger t
Alexeev081 [22]

The approximate total volume of the two largest spheres on the Oriental Pearl Tower 113105.45 m³.

<h3 /><h3>How to find the volume of a sphere</h3>

The volume of the sphere is calculated as follows:

volume = 4 / 3 πr³

where

  • r = radius

The lower two larger spheres in the tower has a radius of 25 meters and 22.5 meters. Therefore, the total volume of the two largest sphere is as follows:

volume of lower sphere = 4 / 3 × 3.14 × 25³

volume of lower sphere = 196250 / 3

volume of lower sphere = 65416.6666667

volume of lower sphere = 65416.7 m³

volume of higher sphere = 4 / 3 × 3.14 × 22.5³

volume of higher sphere = 143066.25 / 3

volume of higher sphere = 47688.75

volume of higher sphere = 47688.8 m³

The approximate total volume = 65416.7 + 47688.8  = 113105.45 m³

learn more on sphere here: brainly.com/question/13833611

4 0
2 years ago
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