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7nadin3 [17]
2 years ago
14

Please help, i have a quiz tomorrow and i need a good step by step explanation.

Mathematics
1 answer:
Fynjy0 [20]2 years ago
6 0

Answer:

use additional and multiplication ONLYY

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how many three foot wide pieces of fencing are needed to surround the perimeter of a yard that is 15 feet long and 24 feet wide?
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u need 78 feet of the three foot wide fencing

5 0
3 years ago
Solve the equation. 3 = n + 4 Question 3 options: 7 1 -1 12
zysi [14]

Hey!

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

Steps To Solve:

~Subtract n to both sides

3 - n = n + 4 - n

~Simplify

3 - n = 4

~Subtract 3 to both sides

3 - n - 3 = 3 - 4

~Simplify

n = -1

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

Answer:

\large\boxed{n~=~-1}

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

Hope This Helped! Good Luck!

6 0
3 years ago
What are two factors of 12 whose sum is 7
Liono4ka [1.6K]

Answer:

Well it will be 7+5=12 and 6+6=12

Step-by-step explanation:

5 0
3 years ago
Cdef maps to jklm with the transformation (x,y) to (4x,4y) to (x-4,y-9). What is the value of ef/lm.
Elina [12.6K]

Answer:

EF / LM = 1 / 4

Step-by-step explanation:

Transformation is the movement of a point from its initial location to a new location. Types of transformation are reflection, translation, dilation and rotation.

Dilation is the enlargement or reduction in the size of a figure. If a point A(x, y) is dilated by a scale factor of k, the new point is at A'(kx, ky).

Translation is the movement of a point right, left, up or down. If a point A(x, y) is translated a units left and b units down, the new point is at A'(x - a, y - b).

Translation preserves the size and shape of an object. Dilation preserves the shape but not the size.

Cdef maps to jklm with the transformation (x,y) to (4x,4y) to (x-4,y-9).

CDEF was first dilated by a scale factor of 4 to get (4x,4y) before it was translated by (x-4,y-9). Since dilation changes the size of the figure, hence JKLM would be 4 times the size of CDEF. Therefore:

LM / EF = 4

EF / LM = 1 / 4

6 0
3 years ago
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