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djverab [1.8K]
2 years ago
6

Sheena wants to simplify the expression 7(4x + 2y) - 6x + 3. Tell whether each step is the first step she should take by selecti

ng Yes or No.
Mathematics
1 answer:
sdas [7]2 years ago
6 0

Answer:

2 2 + 1 4 + 3

Step-by-step explanation:

7 ( 4 + 2 ) − 6 + 3

2 8 + 1 4 − 6 + 3

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(x+7)^2+9=0<br><br> Find x with quadratics
Ne4ueva [31]

Answer:

x = -7 ±3i

Step-by-step explanation:

(x+7)^2+9=0

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(x+7)^2+9-9=0-9

(x+7)^2=-9

Take the square root of each side

sqrt((x+7)^2) = ±sqrt(-9)

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6 0
3 years ago
Read 2 more answers
Please please help please ASAP
Vedmedyk [2.9K]

Answer:

VT = 50√3 , PT = 50

Step-by-step explanation:

Given

PV = 100

With reference angle 60°

hypotenuse (h) = 100

perpendicular (p) = ?

Now

Sin 60° = p/h

√3 / 2 = p / 100

p = √3 * 100 / 2

p = 50√3

Also

With reference angle 30°

hypotenuse (h) = 100

perpendicular (p) = ?

sin 30° = p/h

1/2 = p / 100

p = 100 / 2

p = 50

Hope it will help :)

8 0
3 years ago
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