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lys-0071 [83]
3 years ago
14

Can someone explain just 17-28??

Mathematics
1 answer:
Tatiana [17]3 years ago
8 0

Answer:

you solve these by plugging the numbers into pythagorean theorem which is

a^2 + b^2 = c^2 (a squared plus b squared equal c squared)

C is the hypotenuse which is the longest side across from the right angel (assuming all these problems are for right triangles)

so 17 would be 9.5^2 + 3.8^2 = c^2

So 90.25 + 14.44 = c^2

104.69=c^2

Then to solve for c take the square root of each side and get

10.23=c

To do the other ones where a or b doesn’t have a value, it’s almost the same but you just have to plug in the variables in different places and solve it

Step-by-step explanation:

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Find the missing length to the attached triangle.
professor190 [17]

Answer:

? = 140

Step-by-step explanation:

Use similar triangles and laws of proportions.

36/56 = 90/?

36 * ? = 56 * 90

? = 56 * 90/36

? = 140

3 0
3 years ago
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brian borrowed $12,500 from the bank at an annual simple interest of 6.5%. if he repaid the loan in five years, how much did he
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Step-by-step explanation:

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3 years ago
What is the value of the expression -3+6+r
denis23 [38]

r+3

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r+3

4 0
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A city's population is increasing at a rate of 2% per year.
Mariana [72]

Based on the information the number of people that will there after 20 years is: d.)  2.97 million.

Using this formula

P(t) = Population ×(1+ rate)^t

Where:

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time=20 years

Let plug in the formula

P(t) = 2×(1+.02)^20

P(t) = 2×(1.02)^20

P(t) = 2×1.485947

P(t) = 2.97 million

Inconclusion the number of people that will there after 20 years is: d.)  2.97 million.

Learn more about population here:brainly.com/question/25630111

6 0
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How many different sets of initials can be formed if every person has one surname (i.e., last name) and either one or two given
Dima020 [189]

The different sets of initials can be formed if every person has one surname (i.e., last name) and either one or two given names (i.e., a first name, or a first and middle name) is 15600.

There are 26 possible letters, each set of initials would have 3 letters in it, order doesnt matter, i.e. ABC does not equal ACB. So type in 26P3 on your calculator (P=permutation).

15600.

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