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s344n2d4d5 [400]
3 years ago
13

Janet wanted to determine her average phone call length over 90 days. She collected the phone bills and randomly picked ten entr

ies to look at. The phone call lengths, in minutes, are shown below. 3, 5, 16, 5, 11, 3, 11, 3, 16, 3
Mathematics
1 answer:
muminat3 years ago
3 0

oops sorry wrong question. sorry if I confused anyone :(

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Barbara is a research biologist for Green Carpet Lawns. She is studying the effects of fertilizer type, temperature at time of a
slega [8]

Answer: 90

Step-by-step explanation:

Given : The number of fertilizer types = 6

The number of temperature zones =5

The number of water treatments=3

The number of different lawn plots =6\times5\times3=90

Hence, the number of different lawn plots she needs in order to test each fertilizer type, temperature range, and water treatment configuration =90

5 0
3 years ago
Read 2 more answers
XZ = 15 and the perimeter of XWZ is 50. What is the length of WZ?
Rom4ik [11]

Answer:

  17.5

Step-by-step explanation:

The perimeter is the sum of the side lengths:

  perimeter = XZ +WZ +WX

The figure shows us WX = WZ, so we can rewrite the formula as ...

  perimeter = XZ +2·WZ

Filling in the given values, this becomes ...

  50 = 15 + 2·WZ

  35 = 2·WZ

  35/2 = WZ = 17.5

The length of WZ is 17.5 units.

6 0
3 years ago
Line z has a slope of 2.5 and goes through point (4, 13). Which equation best represents line z?
AnnyKZ [126]

Answer:

y - 13 = (5/2)(x - 4)

Step-by-step explanation:

Here we know the slope and one point on the line.  Use the point-slope formula:

y - k = m(x - h).

Substituting 13 for k, 4 for x and 2.5 for m, we get:

y - 13 = (5/2)(x - 4)

3 0
3 years ago
Can a smart person help me out? I really need help with these three questions​
Illusion [34]

Answer:

1.= 2.4 Hours

2.= 8 miles per hour

3.= 150 miles per hour

Step-by-step explanation:

4 0
3 years ago
What is the least common multiple of 9 3 and 12​
julsineya [31]

Answer:

36

Step-by-step explanation:

9 x 4 = 36

3 x 12 = 36

12 x 3 = 36

3 0
2 years ago
Read 2 more answers
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