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quester [9]
3 years ago
13

Does anyone know this answer??

Mathematics
2 answers:
Aleonysh [2.5K]3 years ago
6 0

Answer:

i will teach you

Step-by-step explanation:

Mrrafil [7]3 years ago
6 0
Hope this helps::::)

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Find the perimeter and area of a rectangle whose length is (x + 1) and whose width is (x - 3). Express your answer in terms of x
joja [24]

Answer:

Perimeter=2L+2w

P=2(x+1)+2(x-3)

P=2x+2+2x-6

P=4x-4

Area=Lxw

A=(x+1)x(x-3)

A=x^2-3x+x-3

A=x^2-2x-3

Step-by-step explanation:

I don't have one :v

6 0
4 years ago
Please help . tjjhhhhhhhh
natka813 [3]

Answer:

19 -  8√3

Step-by-step explanation:

(-4 + √2)^2

= (-4)^2 + 2(-4)(√3) + √3)^2

= 16 - 8√3 + 3

= 19 -  8√3

7 0
4 years ago
Read 2 more answers
Write an equation for a line parallel to y = 0.25x − 5 that passes through the point (8, 5).
Usimov [2.4K]

Answer:

y= 0.25x +3

Step-by-step explanation:

<u>Slope-intercept </u><u>form</u>

y= mx +c, where m is the slope and c is the y-intercept.

y= 0.25x -5

This equation is already in the slope-intercept form, hence we can easily identify its slope from the coefficient of x.

Slope= 0.25

Parallel lines have the same slope.

Thus, the slope of the line is also 0.25.

Substitute m= 0.25:

y= 0.25x +c

To find the value of c, substitute a pair of coordinates.

When x= 8, y= 5,

5= 0.25(8) +c

5= 2 +c

c= 5 -2

c= 3

Hence, the equation of the line is y= 0.25x +3.

6 0
3 years ago
Solve the system of equations by the substitution method.
viva [34]

Answer:

A. (2, -1)

Step-by-step explanation:

(4x - 9) - x = -3

3x - 9 = - 3

3x = 6

x = 2

y = 4(2) - 9

y = 8 -9

y = - 1

(2, -1)

Check

-1 - 2 = -3

5 0
3 years ago
felicity babysat 2 hours each night for 10 nights.she earned a total of $180 babysitting.felicity wants to calculate her hourly
snow_tiger [21]
So, 2 hours times 10 this is 20 hours. $180 divided by 20. This is 9.
Her hourly rate is $9.
Hope this helps :)
5 0
3 years ago
Read 2 more answers
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