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SpyIntel [72]
2 years ago
14

I need help pleaseeee

Mathematics
1 answer:
Lostsunrise [7]2 years ago
8 0

Answer:A

Step-by-step explanation:

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Need Help on Pre Cal
makvit [3.9K]
<h3>Answer: 17</h3>

======================================================

Explanation:

This is a piecewise function. It's composed of 3 pieces of other functions. A piecewise function is a function that changes its identity based on what the input is.

We have three different situations here

  • If t = 17, then h(t) = sqrt(17t) based on what the first row says
  • If t = 19, then h(t) = -34/t which is the second row of the piecewise function.
  • If t does not equal either 17 or 19 (ie t is anything but those values), then h(t) = 23-t

The notation h(17) means we want to evaluate h(t) when t = 17. So we'll use the first case mentioned above. Plug t = 17 into h(t) = sqrt(17t) to get...

h(t) = sqrt(17t)

h(17) = sqrt(17*17)

h(17) = sqrt(17^2)

h(17) = 17

In the last step, I used the rule that sqrt(x^2) = x when x is nonnegative.

6 0
3 years ago
What is the volume of a sphere with radius 4?<br> Round to the nearest whole number.
Lubov Fominskaja [6]

Answer:

268.08

rounded number- 268

find the number in the whole number place, 8, and look one place to the right for the rounding digit on the right side of the decimal point, 0. round up if this number is greater than or equal to 5, and round down if it is less than 5.

formula for sphere volume- 4/3 (pie- 3.14) r^2

7 0
2 years ago
3(-n+4)+5n=2n <br> a. n=3<br> b. no solution<br> c. infinitely many solutions
777dan777 [17]

Answer:

no solutions

Step-by-step explanation:

3(-n+4)+5n=2n

Distribute

-3n +12 +5n = 2n

2n+12 = 2n

Subtract 2n from each side

12 = 0

This is never true so there are no solutions

4 0
3 years ago
Read 2 more answers
PLS ANSWER BOTH PARTS FOR BRAINLIEST ANSWER !!
Rudiy27
28 or 15 I’m bad at math I’m guessing
8 0
3 years ago
A line goes through the points (8,9) and (2,4).
Nadusha1986 [10]
9-4/8-2
5/6
The slope is 5/6
y-4=5/6(x-2)
y-4=5/6x-5/3
y=5/6x+7/3
The equation of line in point-slope is y - 4 = 5/6(x - 2)
The equation of the line in slope-intercept is y = 5/6x + 7/3
4 0
3 years ago
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