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babunello [35]
3 years ago
14

Amy wants to find out if the temperature of water affects plant growth. She will water 6 plants with hot water, 6 plants with lu

kewarm water, 6 plants with water from the faucet, and 6 plants with ice water.
What is the independent variable?
Mathematics
1 answer:
jek_recluse [69]3 years ago
8 0

Answer:

Temperature of the water

Step-by-step explanation:

In every study, there must be a dependent variable and an independent variable. The effect of the independent variable on the dependent variable is monitored by carefully manipulating the independent variable and observing the response it produces on the dependent variable.

In this study, the independent variable is the temperature of the water while the dependent variable is plant growth. The various temperatures of the water used to water the plant will after its growth.

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3. e = 60

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3 years ago
Read 2 more answers
4. (07.04 MC)
timofeeve [1]

Answer:

11779 ft

Step-by-step explanation:

We are given that

\theta=23^{\circ}

Distance between tower and plane,d=5000 ft

We have to find the distance between the plane and bird.

Let x  be the distance between bird and plane

We know that

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Using the formula

tan23=\frac{5000}{x}

x=\frac{5000}{tan23}=11779.3 \approx 11779ft

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6 0
3 years ago
Find the values of v,w,x,y,z
vichka [17]

Step-by-step explanation:

There isn't any equation given, so there isn't anything to do here

7 0
2 years ago
Write the equation of the line in slope-intercept form that contains the points (4, -1) and (9, 9).
Lesechka [4]

Answer:

y = 2x - 9

Step-by-step explanation:

y2 - y1 / x2 - x1

9 - (-1) / 9 - 4

10 / 5

= 2

y = 2x + b

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5 0
3 years ago
Suppose a simple random sample of size nequals45 is obtained from a population with muequals64 and sigmaequals14. ​(a) What must
jeka94

Answer:

Step-by-step explanation:

Given that sample size = n=45

mu = 64 and sigma =14

a) Sample mean will follow a normal distribution irrespective of the original distributions provided

i) samples are randomly drawn

ii) samples represent the population

iii) Sample size is sufficiently large

b) Here we have sample std dev= \frac{\sigma}{\sqrt{n} } \\=\frac{14}{\sqrt{45} } \\=2.09

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7 0
3 years ago
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