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3 years ago

A boat can travel 64 miles on 7 gallons of gasoline. How much gasoline will it need to go 24 miles?

Mathematics

1 answer:

Oksanka [162]3 years ago

5 0

Answer:192

Step-by-step explanation:

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For this set of data, 89, 88, 84, 87, 89, 84, 84, 83, 85, 89, 84 Find the standard deviation

Ilia_Sergeevich [38]

Answer: 2.2962419891482

Step-by-step explanation: First get the mean of the numbers or the average

the mean in this case is 86

then subtract each number by the mean of 86

the numbers then become : 3, 2, -2, 1, 3, -2, -2, -3, -1, 3, -2

then square all the numbers to get : 9, 4, 4, 1, 9, 4, -4, 9, 1, 9, 4

then find the mean of those numbers which is 5.2727272727273

then find the square root of this number to find the standard deviation

2.2962419891482 is the standard deviation

hope this helps mark me brainliest if it helped

6 0

3 years ago

The sum of the angle measures of a triangle is 180°. Find the value of x. Then find the angle measures of the triangle.

MAXImum [283]

Answer:

x = 43
43°, 51°, 86°

Step-by-step explanation:

The sum of the angles is ...

x° + (x +8)° + 2x° = 180°

4x +8 = 180 . . . . . . . . . . . collect terms, divide by °

x +2 = 45 . . . . . . . . . . divide by 4

x = 43 . . . . . . . . . . subtract 2

x +8 = 51

2x = 86

The angles are 43°, 51°, 86°.

7 0

2 years ago

A man goes into business for himself selling dog houses. The materials for the dog houses cost him $45 per house. He sells them

Aleks [24]

Answer:

$600

Step-by-step explanation:

subtract 45 from 75, you get 30. multiply 30 by 20, and there is your answer.

7 0

2 years ago

Find the distance between the endpoints (7,8) (4,2) A.10.8 B.2.2 C.6.7 D.14.9

Paha777 [63]

Answer:

$\boxed{ \bold{ \huge{ \boxed{ \sf{6.7}}}}}$

Option C is the correct option.

Step-by-step explanation:

Let the points be A and B

Let A ( 7 , 8 ) be ( x₁ , y₁ ) and B ( 4 , 2 ) be ( x₂ , y₂ )

Finding the distance between these points

$\boxed{ \sf{distance \: = \: \sqrt{ {(x2 - x1)}^{2} + {(y2 - y1)}^{2} } }}$

$\dashrightarrow{ \sf{ \sqrt{ {(4 - 7)}^{2} + {(2 - 8)}^{2} } }}$

$\dashrightarrow{ \sf{ \sqrt{ {( - 3)}^{2} + { (- 6)}^{2} } }}$

$\dashrightarrow{ \sf{ \sqrt{9 + 36}}}$

$\dashrightarrow {\sf{ \sqrt{45} }}$

$\dashrightarrow{ \sf{6.7 \: \: units}}$

Hope I helped!

Best regards! :D

6 0

3 years ago

Please help me. i don’t understand.

levacccp [35]

Answer:

4(x-7)(x+1)

Step-by-step explanation:

5 0

3 years ago