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3 years ago

Carlos made 32 of his 40 serve attempts over the net. What percent of his

Mathematics

1 answer:

ddd [48]3 years ago

5 0

80% because you would do 32 divided by 40 *100 to get 80%

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What is the standard deviation of the following data? If necessary, round your answer to two decimal places. 82, 44, 67, 52, 120

Dominik [7]

Number of values = 5 (There are 5 values given)

Mean = (82 + 44 + 67 + 52 + 120)/5 = 73

Variance = (1/5) [(82-73)^2 + (44-73)^2 + (67-73)^2 + (52-73)^2 + (120-73)^2] = 721.6

Standard deviation = sqrt (721.6) = 26.86

5 0

3 years ago

Use the substitution method to solve the system of equations. Enter your

Mazyrski [523]

Answer:

Here ya go

Step-by-step explanation:

Examples: 1+2, 1/3+1/4, 2^3 * 2^2

(x+1)(x+2) (Simplify Example), 2x^2+2y a x=5, y=3 (Evaluate Example)

y=x^2+1 (Graph Example), 4x+2=2(x+6) (Solve Example)

3 0

3 years ago

What is the surface area of the right rectangular prism? Enter your answer in the box. m² A rectangular prism with a length of 4

marysya [2.9K]

I hope this helps you

2. (base×height +base×length +height ×length )

2 (4×5+5×2+4×2)

2 (20+10+8)

2 .38

76

6 0

3 years ago

Read 2 more answers

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre

Paha777 [63]

Step-by-step explanation:

∠YXZ and ∠VXU are vertical angles, and therefore are congruent.

∠YXZ ≅ ∠VXU, Vertical ∠'s ≅

Next, we're given that lines YZ and UV are parallel. That means that ∠YZV and ∠UVZ are alternate interior angles, and therefore congruent.

∠YZV ≅ ∠UVZ, If lines ||, then alternate interior ∠'s ≅

If two triangles have two pairs of congruent angles, then the third pair must also be congruent, making the two triangles similar.

△XYZ ~ △XUV, AA

Since the triangles are similar, then by definition, their sides are proportional.

XY/XU = YZ/UV, Definition of Similar Polygons

6 0

3 years ago

Read 2 more answers

How do you solve the quadratic equation 3x2=12

PilotLPTM [1.2K]

The answer to your equation is x=2.

Why? Because..................

3x*2=12

Divide both sides by 3*2

3x*2/3*3=12/3*2

Simplify

12/3*2

x=6

Hope I helped. Mark as Brainliest?

3 0

3 years ago