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2 years ago

3. Six neighborhood children - Leisha, Benito, Delia, Charlotte, Weldon, and Zina- were measured

Mathematics

1 answer:

sergij07 [2.7K]2 years ago

8 0

Zina, weldon, delia, leisha, bento, charlotte

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Find the value of x.

Nostrana [21]

Answer:

21.6 degrees

Step-by-step explanation:

the sum of angles in a triangle is 180 degrees

71 + x + (4x-11) = 180

open the brackets

71 + x +4x - 1 = 180

71 + 1 + x + 4x =180

72 + 5x =180

5x = 180 -72

5x = 108

x = 108/5 = 21.6

4 0

2 years ago

Send help for this question!!!

neonofarm [45]

Answer:

m is greater than or equal to -9 the inequality sign flips when u divide by negative number

7 0

3 years ago

Read 2 more answers

Please help, im confused

elixir [45]

It look like that.
Diameter = 2 so the radius = 1/2 * diameter = 1in

Volume of the cylinder = pi r^2 h

where h = height of the cylinder = 9 in

so volume = pi * 1^2 * 9 = 28.27 in^2 to nearest hundredth

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2 years ago

Answer both question for 20 points and brainliest

Dmitrij [34]

Answer:

1 - c

2 - A

Step-by-step explanation:

Hey There!

So for the first one we are given the dimensions of a rectangular prism and they want us to find the volume

Remember to find the volume we use the equation

V = length x width x height

so we just plug in the values

v = 2.6 x 2.1 x 3.9 = 21.294

the closest is 20 so C is your answer

For the second one we are given a triangular prism

and they want us to find the volume

$V=\frac{1}{2} bhl$

b = base (10.3)

l = length (4)

h = height (7)

7x4=28

28x10.3=288.4

then we divide by 2

288.4/2=144.2

so your selected answer is correct

4 0

2 years ago

Cynthia ran 4 laps in 40 min. What is the rate of number of laps to minutes?

fomenos

1 lap to ten minutes or 1:10 due to the fact that it takes ten minutes to run one lap. hope this helps, have a nice day :)

7 0

2 years ago

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