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FrozenT [24]
2 years ago
6

Please help me with the following!

Mathematics
1 answer:
Rama09 [41]2 years ago
8 0

Answer:

D. 2040

Step-by-step explanation:

population increases by about 1 million every 10 years

in 2010, it's about 8

11 - 8  = 3

2010 + 30  = 2040

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Use the Pythagorean Theorem to determine which of the following give the measures of the legs and hypotenuse of a right triangle
kakasveta [241]

The Pythagorean theorem states that the square of the hypotenuse is equal to  the sum of the squares of the legs:

c^2=a^2+b^2.

The hypotenuse is the side with the greatest length.

Check all options:

1. c=5, a=3, b=4:

5^2=25,\\3^2+4^2=9+16=25,\\5^2=3^2+4^2 true.

2. c=14, a=4, b=11:

14^2=196,\\4^2+11^2=16+121=137,\\14^2\neq 4^2+11^2 false.

3. c=17, a=9, b=14:

17^2=289,\\9^2+14^2=81+196=277,\\17^2\neq 9^2+14^2 false.

4. c=16, a=8, b=14:

16^2=256,\\8^2+14^2=64+196=260,\\16^2\neq 8^2+14^2 false.

5. c=17, a=8, b=15:

17^2=289,\\8^2+15^2=64+225=289,\\17^2=8^2+15^2 true.

Answer: correct options are A and E.

4 0
3 years ago
Read 2 more answers
In a quiz contest, 4 marks were awarded for a correct answer and -2 marks were given for an incorrect answer. If James gave 5 in
Zina [86]

9514 1404 393

Answer:

  10

Step-by-step explanation:

For c correct answers and 5 incorrect answers, James's score is ...

  4c -2(5) = 30

  4c = 40 . . . . . . add 10

  c = 10 . . . . . . . . divide by 4

James gave 10 correct answers.

4 0
3 years ago
Read 2 more answers
I will give brainliest answer
snow_tiger [21]

Step-by-step explanation:

inner region

A=πr^2

A=π*6^2

A=π*36cm^2

A=113.09cm^2

shaded region(outer)

A=πr^2

A=π*9^2

A=π*81cm^2

A=254.46cm^2

Area of shaded region=254.46cm^2-113.09cm^2

=141.37cm^2

Mark brianliest if my answer suit your question

5 0
3 years ago
Read 2 more answers
Which expression is the same as 8x (4 x 2)? ​
ANTONII [103]

Answer:

64x

Step-by-step explanation:

because 4 * 2 is in parenthesis, that means you multiply 8x by them.

8x (4*2)

8x (8)

64x

5 0
3 years ago
Find the length of the hypotenuse of the right triangle if the width is 60 and hight is 32
GalinKa [24]

Answer:

The hypotenuse is 68

Step-by-step explanation:

To find the length of the hypotenuse of a a right angled triangle, we use the Pythagoras Theorem

c² = a² + b²

where c = hypotenuse, a = height, 32 and b = width, 60

Substitute the value 32 and 60 for a and b respectively in the above formula, and we will have

c² = 32² + 60²

c² =  1024 + 3600

c² = 4624

c = √4624

c = 68

4 0
3 years ago
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