Please help me. Very confused. due tomorrow!!

Answers

Answer 1

Answer: these triangles are identical, bc they have the same angles. (top angle is the same, and two bottom angles are same for all 4 of them). if identical = true, then the bases are ratios. therefore
ab+cb : cb = 22 : 2.75
ab+cb : 5 (cb) = 8
ab+5 : 5 = 8
ab+5 = 40
ab = 35

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Definitions and examples of rational, irrational, and nonzero numbers

Answers

-Rational (definition)-
A number that can be expressed as the ratio of two integers.
-Rational (example)-
1.5 is a rational number.

-Irrational (definition)-
A number that cannot be expressed as the ratio of two integers.
-Irrational (example)-
π is a irrational number.

-Nonzero (definition)-
It is any number that is not equal to zero.
-Nonzero (example)-
1 is a nonzero number.

Tickets to the museum cost $18 for adults and $12 for children. A group of 20 people went to the museum, and the tickets cost $324. The system of equations models this situation, where x is the number of adults and y is the number of children.x-y=20
18x+12y=324

How many adults and how many children were in the group?

A.
8 adults and 12 children

B.
10 adults and 10 children

C.
12 adults and 8 children

D.
14 adults and 6 children

Answers

As far as i can see, there is something wrong with one of the equationsthat are given in the question. It is mentioned in the question that atotal of 20 people went to the museum. That means that among those 20people there were children as well as adults. So the equation that ismentioned in the question given below is wrong.
x - y = 20
The correct equation would be x + y = 20
The second equation given in the question is absolutely correct.
18x + 12y = 324
Diving both sides by 6 we get
3x + 2y = 54
Now let us get back to the first equation
x + y = 20
x = 20 - y
Putting the value of x in the second equation we get
3x + 2y = 54
3(20 - y) + 2y = 54
60 - 3y + 2y = 54
60 - y = 54
-y = 54 - 60
-y = -6
y = 6
Then we get that the number of children going to the museum is 6
So
The number of adults = 20 - 6
= 14
So the total number of adults going to the museum is 14 and the number of children going to the museum is 6. The correct option in the question is option "D".

Write the product of 0.4 x 0.4 x 0.4 in exponential form.

Answers

Answer: 0.4^3

Step-by-step explanation:

you just count how many times you multiply 0.4 and use that number to be the exponents

What percent of 80 is 20

Answers

25% is the answer
Hope this helps and

I need to answer these for test corrections and it is due tomorrow can anyone help?

Answers

I am not sure about 18 and 19 but here is 17:#17: Periander was the second tyrant of Corinth and the son of Cypselus, the founder of the Cypselid dynasty. Cypselus' wife was named Cratea.

If the exponent is 3 and the base is 2 whats the simplified expression

Answers

If the base is 2 and the exponent is the the expression would look like this → 2³. In order to simplify it, you have to multiply the base number by the number of the exponent.

2×2×2=8
Therefore, the simplified expression would be 8.

I hope this helped.

By definition of the exponent
2³= 2*2*2= 8

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