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3 years ago

14

The ratio of red to green marbles in a jar is 3 to

1 answer:

Ilya [14]3 years ago

3 0

30 of the 48 marbles are green and the other 18 are red.

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Kevin bought 3 pencils that cost $0.45 each. He also bought 2 packs of colored pencils that cost $2.97 each. Finally, he bought

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3 years ago

The blood pressure in millimeters was measured for a large sample of people. The average pressure is 140 mm, and the sd of the m

Bess [88]

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6 0

2 years ago

What is the exponent in the expression seven sixth

Veseljchak [2.6K]

Answer:

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Step-by-step explanation:

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3 years ago

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yarga [219]

Functions are used to represent equations and graphs

The superhero will be able to leap over the building
The support should be placed 48 feet from the edge
Joe will not be able to stand up in the igloo
Joe will be able to lay down in the igloo

<h3>Question 13: How to determine if the superhero will make it to the building</h3>

The function is given as:

$f(x) = -16x^2 + 200x$

Differentiate the function

$f'(x) = -32x + 200$

Set to 0

$-32x + 200 =0$

So, we have:

$-32x =-200$

Solve for x

$x =6.25$

Calculate f(6.25)

$f(x) = -16x^2 + 200x$

$f(6.25) = -16 * 6.25^2 + 200 * 6.25$

$f(6.25) = 625$

The above means that, the superhero reached a height of 625 feet.

625 is greater than 612.

Hence, the superhero will be able to leap over the building

<h3>Question 14: How to determine the distance from the edge</h3>

The function is given as:

$f(x) = -0.03x^2 + 2.4x$

Differentiate

$f'(x) = -0.06x + 2.4$

Set to 0

$-0.06x + 2.4 = 0$

Subtract 2.4 from both sides

$-0.06x = -2.4$

Solve for x

$x = 40$

Calculate f(40)

$f(x) = -0.03x^2 + 2.4x$

$f(40) = -0.03*40^2 + 2.4*40$

$f(40) = 48$

This means that, the support should be placed 48 feet from the edge

<h3>Question 15: Will Joe be able to stand up?</h3>

In (14), the maximum height is 48 feet.

Joe's height (70 feet) is greater than 48.

This means that, Joe will not be able to stand up in the igloo

<h3>Question 15: Will Joe be able to lay down?</h3>

In (14), the midpoint is 40 feet.

This means that the length of the igloo is 80 feet (i.e. 2 * 40 feet)

Joe's height (70 feet) is less than 80.

This means that, Joe will be able to lay down in the igloo

Read more about quadratic functions at:

brainly.com/question/8952707

7 0

2 years ago

Find the value of x.<br><br><br><br> 24<br><br><br> 12<br><br><br> 35<br><br><br> 117

Vadim26 [7]

Answer:

x = 8/17

Step-by-step explanation:

2/x+3 = 9/4 +5

2/x + 3 -3 = 9/4 +5 -3

2/x = 9/4+2

2/x = (9 + 2 * 4)/4

2/x = 17/4

4 * 2/x = 17

8/x = 17

x * 8/x = 17 * x

8 = 17 x

8 0

3 years ago