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tangare [24]
3 years ago
9

I forgot how to solve for length between two points. The problem is: Let A=(-2,5) and B=(5,-2) then solve for the distance betwe

en the points.
Mathematics
1 answer:
Nat2105 [25]3 years ago
7 0
The formula for distance between two points-
√(x1- x2)^2 + (y1 -y2)^2

Solve-
√(-2 -5)^2 + (5-(-2)^2
√(-7)^2 + (7)^2
√49 + 49
√98
9.89949... (the answer will be in decimal number)
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-8(x-3y) when x=-2 and y=-4
seropon [69]
First let's put in the values. 

-8(-2-3·-4)

Solve using PEMDAS

Parentheses (Multiplication)

-8(-2+12)

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-8 · 10

Multiplication

-80

The answer is -80
6 0
3 years ago
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Please help fast , giving brainliest if correct.
prisoha [69]

Answer:A

Step-by-step explanation:

-7x^2-4x+20

-(7x^2+4x-20)

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6 0
4 years ago
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What does f equal in the equation:<br> -4(2f-6)=-9f+7f
brilliants [131]

Answer:  f = 4

Step-by-step explanation:

8 0
3 years ago
Sneezy's bank account increased from $1,200 to $1,800. By what percent did the amount of money in his bank account increase?​
Reika [66]

Answer:

66.6

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5 0
3 years ago
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Grayson is flying a kite, holding his hands a distance of 2.75 feet above the ground and letting all the kite’s string play out.
sergiy2304 [10]

The position of the kite with the point directly beneath the kite at the same

level with the hand and the hand for a right triangle.

  • The height of the kite above the is approximately <u>66.314 feet</u>.

Reasons:

The height of his hands above the ground, h = 2.75 feet

Angle of elevation of the string (above the horizontal), θ = 26°

Length of the string, <em>l</em> = 145 feet

Required:

The height of the kite above the ground.

Solution:

The height of the kite above the ground is given by trigonometric ratios as follows;

\displaystyle Height \ of \ kite, \, k_h = \mathbf{h + l \times sin(\theta)}

Therefore;

\displaystyle Height \ of \ kite, \, k_h = 2.75 + 145 \times sin(26^{\circ}) \approx \mathbf{66.314}

The height of the kite above the, k_h ≈ <u>66.314 feet</u>

Learn more about trigonometric ratios here:

brainly.com/question/9085166

8 0
3 years ago
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