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Sever21 [200]
3 years ago
13

Chang knows one side of a triangle is 13 cm. Which set of two sides is possible for the lengths of the other two sides of this

Mathematics
1 answer:
Oliga [24]3 years ago
8 0
Use the Pythagorean therum (a2 * b2 = c2). Is there a picture that goes with this problem? It is impossible to solve without it.
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the average marks of the first 10 students are 17 and that of the next 15 students is 18. find the mean of 25 students?
Alex787 [66]

Answer:

20

_____

10 = 17

15 = 18

20 = 19

25 = 20

6 0
3 years ago
You decide to buy a 60 in plasma-screen tv. you borrow $4300 from the electronics store at 1.8% per month simple interest, with
const2013 [10]

4300 is your principal

1.8% interest rate (change it into decimal form; 0.018)

2 years is our time

We'll now multiply our variables.

4300 x 0.018 x 2 = 154.80

This shows that in 2 years at their interest rate that they have earned 154.80.

We will add the $154.80 to the original borrowed amount of 4300.

$4454.80 will be how much they will owe after 2 years.


To find out the amount in 15 months we'll divide 15 months by 12 and we get 1.25 and now we multiply the numbers again.

4300 x 0.018 x 1.25 = 96.75

They will pay $96.75 in interest within 15 months and we'll add it to the 4300.

$4397 will be how much they will pay after 15 months.


7 0
4 years ago
The two-way table shows the results of a recent study on the effectiveness of the flu vaccine.
Margarita [4]

Answer: 465/950

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
How many ways to use when finding the quadratic equations​
vekshin1

Answer:

three

Step-by-step explanation:

1) solving for roots

2) Quadratic formula

3) By completing square

6 0
3 years ago
Factor 3y^2 - 4y. plzzzzzz
Lisa [10]

Answer:

y(3y - 4)

Step-by-step explanation:

3y^{2} -4y

Both have y.

Factor y out of 3y^{2} -4y

y(3y-4)

7 0
4 years ago
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