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gulaghasi [49]
3 years ago
10

I need help please,

Mathematics
1 answer:
lions [1.4K]3 years ago
6 0
2x = y- 10
x + 7 = y
2 y = 4 y = 4
x= -3
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Factorise 6x^2 + 11x + 4​
zysi [14]
(3x+4)(2x+1)

If the question asks you to find roots/solutions:

3x + 4 = 0
3x = -4
x = -1.33333333

2x + 1 = 0
2x = -1
x = -0.5
4 0
3 years ago
Read 2 more answers
A mirror should be centered on a wall. The mirror is 4 feet wide and the wall is 20 feet wide. Which equation helps determine th
sveta [45]
C x=20+4+4 That’s the answer
7 0
3 years ago
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A rectangle is 6 units wide and x-8 units long. It has the same area as a triangle with the height of 7 units and a base of x-3
Snowcat [4.5K]
AREA OF A RECTANGLE IS 42 UNITS

Rectangle:                             Triangle: 
A = L * W                             A = hb / 2
A = (x-8) * 6                         A = (7(x-3)) / 2
A = 6x - 48                            A = (7x - 21) / 2

Since the problem states that both rectangle and triangle have the same area.Then:

6x - 48 = (7x - 21) / 2

1) Eliminate the denominator 2 by multiplying both sides by 2.

2 * (6x - 48) = 2 * ((7x - 21) / 2)
12 x - 96 = 7x - 21

Find x. Transfer like numbers and change their signs.

12x - 7x = 96 - 21
5x = 75
5x / 5 = 75 / 5
x = 15

Substitute x by its value:

Rectangle:                            Triangle
A = (x-8) * 6          -                A = (7(x-3)) / 2                      Areas of both Rectangle
A = (15 -8 ) * 6                       A = (7(15-3)) / 2                      and Triangle is the same.
A = 7 * 6                                  A = (7 * 12) / 2
A = 42 units                            A = 84 / 2
                                               A = 42 units

5 0
3 years ago
teds class colects aluminum cans to cell to the recycle center. the center pays $0.002 for each kilogram of aluminum
zhannawk [14.2K]
I believe the answer you are looking for is:

<span>t = 0.002n</span>

3 0
3 years ago
Michael draws three parallelograms. In each figure, he measures a pair of angles, as shown.
Phoenix [80]

we know that

In parallelogram, the sum of consecutive angles are 180

so, consecutive angles are supplementary

And opposite angles are equal

so, we will check verify each options

option-A:

Since, consecutive angles are supplementary

so, this is FALSE

option-B:

Since, only opposite angles are equal or congruent

so, this is FALSE

option-C:

Since, consecutive angles are supplementary

so, this is TRUE

option-D:

Since, consecutive angles are supplementary

so, this is FALSE


5 0
3 years ago
Read 2 more answers
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