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andre [41]
3 years ago
11

Please help! math! (17 points was max) PICTURE ATTACHED

Mathematics
1 answer:
mario62 [17]3 years ago
6 0

Step-by-step explanation:

angle A and Angle D are congruent. as are Angle C and Angle F.

because you have two pairs of congruent angles this proves the triangles are similar using AA Theorem.

I couldn't read the 3rd question. if you post as a comment I can look at it better.

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If a 3,500 investment earns 120 over 3 years, what is the annual rate?
Katarina [22]

Answer:

The annual rate of interest is 2 %

Step-by-step explanation:

Given as :

The investment amount = $ 3,500

The Interest earn on investment = $ 210

The time period = 3  years

Let The annual interest rate = R

From simple interest method :

Simple Interest =  

Or, 210 × 100 = 3500 × R × 3

Or, R =  

Or, R =  

HOPE THIS HELPED!!

5 0
3 years ago
A set of data already has the values 11, 14, 23, and 16. What value would have to be added to the set for the mean of the five n
KonstantinChe [14]
1) Take 18 and multiply it by 5 = 90
2) Then subtract 26 = 64
3) Then subtract 18 = 46
4) Then subtract 12 = 34
5)  Then subtract 8 = 26
 
The answer is 26.

5 0
3 years ago
Solve the right triangle.<br> Round your answers to the nearest tenth.
katen-ka-za [31]

Answer: A= 42 degrees

Step-by-step explanation:

A= 180-90-48=42 (degrees)

8 0
2 years ago
Read 2 more answers
Sally either walks, cycles or drives to work. She walks about 15% of the time and drives about 3/5 of the time. What percentage
goblinko [34]

Answer: She cycles 25% of the time

Step-by-step explanation:

From the question, Sally walks 15% of the time.

She drives 3/5 of the time.

We then convert 3/5 to percentage.

Converting to percentage means multiplying by a factor of 100.

Hence, Sally drives 3/5*100 = 60% of the time.

If Sally walks 15% of the time and drives 60% of the time, adding up the percentage time used by these two media of transportation will give us

60% + 15% = 75%

Hence if she cycles for the remainder of the time, expressing it as percentage would mean subtracting the time used in other means by 100%

Hence it will be 100% - 75% = 25%

8 0
3 years ago
a contractor needs to cut a piece of glass to fit a square window. the area of the window is 16 ft^2. find the length of the sid
Katyanochek1 [597]

Area = 16 ft.²

Use the square root process:

√16

√(4 * 4)

2√4 = 4

8 0
3 years ago
Read 2 more answers
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