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Scorpion4ik [409]
3 years ago
15

PLEASE HELP ME!! GEOMETRY! All I need is the value of x, and how you found it. Thanks :))

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
6 0

Answer:

-15

Step-by-step explanation:

3x+5=BD

4x+20=AE

3x+5 = 4x+20

subtract 3x from 4x = 1x = x

subtract 20 from 5 = -15

-15=x

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The Travers are adding a new room to their house. The room will be a cube with volume
Damm [24]

Answer:

$1620

Step-by-step explanation:

The volume (V) of a cube is calculated as

V = s³ ( s is the length of the side )

Here V = 5832 , then

s³ = 5832 ( take cube root of both sides )

s = \sqrt[3]{5832} = 18 ft

The area of the square floor is then

area = 18² = 324 ft²

cost = 324 × $5 = $1620

4 0
3 years ago
If ON = 7x - 5, LM = 6x + 4, NM = x + 6, and OL = 8y + 3, find the values of X and Y for which LMNO must be a parallelogram. Ple
Sladkaya [172]

The values of x and y that will make LMNO a parallelogram are: x = 9, y = 1.5.

<h3>Properties of a Parallelogram</h3>
  • The opposite sides of a parallelogram are parallel to each other and are also of equal lengths.
  • Diagonals of a parallelogram are congruent to each other and also bisect each other into equal halves.

Therefore:

ON = LM

Substitute

7x - 5 = 6x + 4

Add like terms

7x - 6x = 5 + 4

x = 9

OL = NM

Substitute

8y + 3 = x + 6

Plug in the value of x

8y + 3 = 9 + 6

8y + 3 = 15

8y = 15 - 3

8y = 12

y = 12/8

y = 1.5

Therefore, the values of x and y that will make LMNO a parallelogram are: x = 9, y = 1.5.

Learn more about parallelogram on:

brainly.com/question/7200842

6 0
3 years ago
Use the substitution method to solve the system of equations. y = –4x 8x – y = 6 A.(2, –8)B. (1, –4) C.1/2-4 D.1/2-2
satela [25.4K]

y= -4x and 8x-y=6

what you do is switch the negative y to the other side and move the positive 6 to the other side thus making y=8x-6.

I don't get what those numbers are on the question but the way you solve it is by combining them and putting one y into the other

8x-6=-4x   12x=6   6/12=x   .5=x

then you plug in x to find y in whichever equation:

-4x=y   -4(.5)=y   -2=y

so the final answer would be (.5,-2)

6 0
3 years ago
Read 2 more answers
wiĺla's rectangular patio has an area of 36m, and whole area side lengths. what might the length and width of the atio be? give
Vinil7 [7]
The length can be 18 and the width can be 2.
18 x 2 = 36
Or the length can be 12 and the width can be 3.
12 x 3 = 36
The length can also be 9 and the width can be 4.
9 x 4 = 36
5 0
3 years ago
Is y=1x3 a Proportional or a Non-Proportional
Bas_tet [7]

Answer:

 proportional graph is a straight line that always goes through the origin. A non-proportional graph is a straight line that does not go through the origin.

Step-by-step explanation:

3 0
3 years ago
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