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3 years ago

8x-2*4 simplified area of the rectangle

Mathematics

2 answers:

stellarik [79]3 years ago

6 0

Answer:

escribeme por favor no k

AnnyKZ [126]3 years ago

3 0

Answer:

multiply both expressions

(8x - 2)(4)

32x - 8

simplify

32x = 8 4 ( 2 2 2 2 2 2)

-8 = 8 -1

8(4x - 1)

hope this helps

Step-by-step explanation:

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zhenek [66]

Answer:

the answer is d. 80

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3 years ago

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Solve the equations. a. 4a^2 = 16 b. 5????^2 − 25 = 0 c. 8 − c^2 = 5

Vera_Pavlovna [14]

Answer:

$a=\pm 2$ , $x=\pm \sqrt{5}$ and $c=\pm \sqrt{3}$ .

Step-by-step explanation:

Consider the given equations are

a. $4a^2=16$

b. $5x^2-25=0$

c. $8-c^2=5$

(a)

$4a^2=16$

Divide both sides by 4.

$a^2=4$

Taking square root on both sides.

$a=\pm \sqrt{4}$

$a=\pm 2$

(b)

$5x^2-25=0$

Add 25 on both sides.

$5x^2=25$

Divide both sides by 5.

$x^2=5$

Taking square root on both sides.

$x=\pm \sqrt{5}$

(c)

$8-c^2=5$

Subtract 8 from both sides.

$-c^2=-3$

Multiply both sides by -1.

$c^2=3$

Taking square root on both sides.

$c=\pm \sqrt{3}$

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4 years ago

Write a word problem using division plz help me

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Mark has 5 friends over and he baked 25 cookies. How many cookies does each friend get?

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Say that x = 13 And y = 22 X + y (x) X - (-y) =

ra1l [238]

13 + 22 x 13-(-22) =783
Rules of addition and subtraction are :
1. - x - = +
2. + x - = -
3. - x + = -
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3 years ago

Write an equation for the line that is parallel to the given line and passes through the given point Y= 1/2 x -8 (-6 ,-17)

mylen [45]

Parallel to : y = 1/2x - 8

Passes through (-6, -17)

Our given slope is 1/2.

Plug the given coordinates into point-slope form.

y - y₁ = m(x - x₁)

y - (-17) = 1/2(x - (-6))

Simplify.

y + 17 = 1/2(x + 6) ← Your answer.

However, sometimes teachers want this simplified even further.

So, simplify this.

y + 17 = 1/2x + 3

Subtract 17 from both sides.

y = 1/2x + 3 - 17

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