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2 years ago

Name the vertex and sides of each angle

Mathematics

1 answer:

pshichka [43]2 years ago

7 0

Answer: 7) vertex = ∠H sides = HG and HI

8) ∠H, ∠IHG, ∠GHI, ∠4

9) ∠HVI, ∠HVJ, ∠IJV

<u>NOTES:</u>

1) The vertex is the point where the two segments, rays, or lines connect.

2) When naming an angle, the vertex is ALWAYS written in the middle with the sides on the left and right.

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Jordan wrote the numbers from 1 through 150. How many times did he write the digit 4 in the tens place?

olga2289 [7]

40,41,42,43,44,45,46,47,48,49,140,141,142,143,144,145,146,147,148,149

Jordan wrote the number 4 in the tens place 20 times

I hope this helps :)

6 0

2 years ago

Suppose 40% of the students in a university are baseball players. If a sample of 781 students is selected, what is the probabili

3241004551 [841]

Answer:

$P(p>0.43) = 0.0436$

Step-by-step explanation:

Given

$p = 40\%$ -- proportion of baseball players

$n = 781$ --- selected sample

Required

Determine P(p>43%)

First, calculate the z score using:

$Z = \frac{\^{p}-p}{\sqrt{\frac{p(1-p)}{n}}}$

This gives:

$Z = \frac{48\%-40\%}{\sqrt{\frac{40\% *(1 - 40\%)}{781}}}$

Convert % to decimal

$Z = \frac{0.43-0.40}{\sqrt{\frac{0.40 *(1 - 0.40)}{781}}}$

$Z = \frac{0.43-0.40}{\sqrt{\frac{0.40 *0.60}{781}}}$

$Z = \frac{0.43-0.40}{\sqrt{\frac{0.24}{781}}}$

$Z = \frac{0.03}{\sqrt{0.00030729833}}$

$Z = \frac{0.03}{0.01752992669}$

$Z = 1.71$

So:

$P(p>0.43) = P(Z>1.71)$

$P(p>0.43) = 1 - P(Z$

$P(p>0.43) = 1 - 0.9564$

$P(p>0.43) = 0.0436$

5 0

2 years ago

How many square decimeters are in 687.1 cm²?

Alexus [3.1K]

Answer:

6.871 decimeters

Step-by-step explanation:

687.1 square centimeters = 6.871 square decimeters

1 dm² = 100 cm²

7 0

1 year ago

Read 2 more answers

What is the following sum in simplest form?

elena55 [62]

Answer:

C. 9√2.

Step-by-step explanation:

√8 + 3 √2+ √ 32

= √4 *√2 + 3√2 + √16*√2

= 2√2 + 3√2 + 4√2

= 9√2.

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2 years ago

A number squared times four is equal to 16. Find the missing number.

erica [24]

The answer should be 2

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3 years ago