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stich3 [128]
3 years ago
6

Figure this out for 15 points

Mathematics
1 answer:
garri49 [273]3 years ago
3 0

Step-by-step explanation:

Joe's climbing rate is not constant

3 × 2 = 6

8 × 1.5 = 12

12 × 1.1666666667 = 14

Time when climber reaches 30ft is unknown because climbing rate is not constant

Zas's climbing rate is 2.5

2 × 2.5 = 5

4 × 2.5 = 10

12 × 2.5 = 30

At 12 seconds, Zas reaches 30 feet.

Stephen's climbing rate is 4

2 × 4 = 8

4 × 4 = 16

6 × 4 = 24

30 ÷ 4 = 7.5

7.5 × 4 = 30

At 7.5 seconds, Stephen reaches 30 feet.

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Mrs.Hall records the heights of 50 students in a spreadsheet. The mean height is 68 inches. After looking at the data again, she
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After removing the outliers, the new total of student heights is
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so the new mean is
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8 0
4 years ago
Simplify this expression
Fantom [35]

Answer:

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Will mark brainliest IF you explain and solve
TEA [102]

Answer:

A) y = (x + 3)² + 4

B) y = (x - 3)² + 2

C) y = (x - 1)² - 5

Step-by-step explanation:

2 units UP means that the vertex will be shifted from (-3 , 2) to (-3, (2 + 2) or (-3, 4)

As the y = (x + 3)² will still be zero at x = -3, we just need to change the "+ 2" to

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y = (x + 3)² + 4

When we want to shift the curve to the right, we want the vertex to move from (-3, 2) to (3, 2)

This means that the term in parenthesis must be zero with our desired x value

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3 + C = 0

C = -3

y = (x - 3)² + 2

4 units right and 7 units down mean that the vertex is desired at (1, -5)

(1 + C)² = 0

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4 0
3 years ago
Please help me with the answer I keep getting it wrong
Vsevolod [243]
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next we find the slope we can take points (0,4) and (2,0) thus (y2-y1)÷(x2-x1)

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slope is -2

so now we can take either points to find the equation by the formula

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after substitution we can get

y-4=-2 (x-0)

y=-2x+4

3 0
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PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!! I CANNOT RETAKE THIS!!
Stells [14]
The answer is A hope this would help you

4 0
3 years ago
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