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1 year ago

Assuming construction of the dotted lines, complete the following proof.

Mathematics

1 answer:

lesantik [10]1 year ago

4 0

Statement:

1. RA = RB

2. RP = RP

3. RA ⊥ AP, RB ⊥PB

4. rt ΔRAP ≅ rt ΔRBP

5. PA =PB

Reason:

1. radii of same circles are =

2. reflexive

3. Radius ⊥ to tangent

4. HL

5. CPCTE

100% Correct

~Hope it helps~ :)

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Recently, 18.3% of visitors to the travelocity web site hailed from the google search engine. a random sample of 130 visitors on

kaheart [24]

In your problem:
p = 18.3% = 0.183
n = 130

The standard error can be calculated by the formula:
SE = √[p · (1 - p) / n]
= √[0.183 · (1 - 0.183) / 130]
= 0.0339

The standard error of the proportion is 0.034.

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2 years ago

the mean height of the team is 200.3 .a new player joins and raises the mean average height to 201cm. work out the height of the

ivann1987 [24]

Question

The table shows the heights in a basketball team.

Height: 198, 199, 200, 201, 202

a.) Work out the mean height of the team. Round you answer to 1d.p.

That, I have worked out is 200.3

b.) A new player joins the team and raises the mean average height to 201cm. Work out the height of the new player.

Answer:

206 cm

Step-by-step explanation:

The sum of the fiven numbers, 198+199+200+201+202=1000

For a mean of 201, the product should be 201*6=1206

The difference of the two is equivalent to the height of the other person hence 1206-1000=206 cm

Therefore, the height is 206 cm

8 0

1 year ago

When finding the volume of a soup can, Tommy needs to calculate the area of the base. Describe what type of base Tommy’s soup ca

lyudmila [28]

This is the concept of Area and volume of solid materials; Tommy soup can is likely to have a cylindrical shape. This means that the base of the cylinder will have a circular shape. If this is the case the volume of the can will be given by:
volume=[base area]*height
volume=πr^2h
where;
base area=πr^2
height=h

3 0

2 years ago

Read 2 more answers

Gino has a stick of pepperoni that is 26 1/2 inches long. He wants to cut 1/2 inch pieces to put on his large pizza. How many pi

ikadub [295]

Answer:57 pieces

Step-by-step explanation:

If the pepperoni is 26 1/2 inches long and he is cutting then 1/2 in slices. You are going to get 2 slices per inch. So multiply 26 x 2 which is 56 then add 1 for the half inch which gives you 57 slices

4 0

2 years ago

A rectangular parcel of land is 70 ft longer than it is wide. Each diagonal between opposite corners is 130 ft. What are the dim

Bingel [31]

We have the following dimensions:
w=wide
w+70=length

We have a right triangle:
leg₁=w
leg₂=w+70
hypotenuse=130

Pythagoras theorem:
leg₁²+leg₂²=hypotenuse²
Then:

w²+(w+70)²=130²

We have to solve that equation:
w²+(w+70)²=130²
w²+w²+140w+4900=16900
2w²+140w+4900-16900=0
2w²+140w-12000=0
(2w²+140w-12000)/2=0/2
w²+70w-6000=0

w=(-70⁺₋√(4900+24000)) / 2
=(-70⁺₋170) / 2
We have two possible solutions:
Solution 1

w=(-70-170)/2=-120 (this solution is not possible because the result is negative and it have no sense in this problem).

Solution 2

w=(-70+170)/2=50 (this is the right solution)

w=50
w+70=120

ANSWER: the length would be 120 u (u=units of length ) and the wide would be 50 u.

5 0

2 years ago