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scZoUnD [109]
3 years ago
14

X+y=20 x-y=16 Substitution

Mathematics
2 answers:
sleet_krkn [62]3 years ago
5 0

Step-by-step explanation:

x+ y = 20

- x - y = 16

= 2y = 4

y = 2

put the value of y in any equation u like

x + y = 20

x + 2 = 20

x = 18

kaheart [24]3 years ago
4 0

Answer:

x+ y = 20

x - y = 16

= 2y = 20-16=4

y = 2

Applying the value:

x + y = 20

x + 2 = 20

x = 18

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One meter is 100 centimeters
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A line passes through the point (0,5) and has a slope of -1/2 which is the equation of the line in slope intercept form?
Nana76 [90]

equation of line in slope intercept form is

y = mx + c

where m is slope.

putting point (0,5) in equation

5 = m × 0 + c

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now equation is

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4 0
3 years ago
HELP ASAP PL ILL GIVE YOU BRAINLIEST!!!!!!!
mezya [45]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
The volume of the shape below is 6 square units. Determine the volume of the shape in two different ways.
REY [17]

The volume of the shape is 6 cubic units

<h3>How to determine the volume of the shape?</h3>

<u>Method 1</u>

From the figure, we can see that:

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  • The dimensions of the cubes are equal
  • The volume of each cube is 1 cubic unit

So, the volume of the shape is

Volume = Number of cubes * Volume of each cube

Substitute the known values in the above equation

Volume = 6 * 1

Evaluate

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<u>Method 2</u>

From the figure, we can see that:

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  • 2 cubes at the top and 4 at the bottom
  • The dimensions of the cubes are equal
  • The volume of each cube is 1 cubic unit

So, the volume of the shape is

Volume = Top cubes +  Bottom cubes

This gives

Volume = 2 * Volume of each cube + 4 * Volume of each cube

Substitute the known values in the above equation

Volume = 2 * 1 + 4 * 1

Evaluate

Volume = 6

Hence, the volume of the shape is 6 cubic units

Read more about volumes at:

brainly.com/question/1972490

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5 0
2 years ago
The solution to -3(x-2) = 4x + 10 is?
Tanya [424]

Answer:x=

−4

7

Step-by-step explanation:

7 0
4 years ago
Read 2 more answers
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