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Luden [163]
2 years ago
12

Determine the domain and range of the function represented by the graph below.

Mathematics
1 answer:
Alenkasestr [34]2 years ago
7 0

Answer:

C. Domain: −2≤x≤2; Range: −2≤y≤2

Step-by-step explanation:

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Cheryl scored 7 points on free throws and the rest of her points on 2-point goals. If g represents the number of 2-point goals s
MakcuM [25]
A. Because you have the number of free throw goals,7, so you need how many 2-point goals she made which is expressed as 2g. So the full equation is 2g+7. Hope this helps

5 0
2 years ago
In ΔLMN, the measure of ∠N=90°, the measure of ∠M=70°, and NL = 74 feet. Find the length of MN to the nearest tenth of a foot.
Zina [86]

Answer:26.9 feet

Step-by-step explanation:

SOH-CAH-TOA

\tan M = \frac{\text{opposite}}{\text{adjacent}}=\frac{74}{x}

tanM=

adjacent

opposite

​

=

x

74

​

\tan 70=\frac{74}{x}

tan70=

x

74

​

x\tan 70=74

xtan70=74

Cross multiply.

\frac{x\tan 70}{\tan 70}=\frac{74}{\tan 70}

tan70

xtan70

​

=

tan70

74

​

Divide each side by tan 70.

x=\frac{74}{\tan 70}=26.9338\approx 26.9\text{ feet}

x=

tan70

74

​

=26.9338≈26.9 feet

Type into calculator and roundto the nearest tenth of a foot.

L

M

N

74

26.9

(opposite of ∠M)

(adj. to ∠M)

(hypotenuse)

70°

5 0
2 years ago
A trapezoid has an area of 13.5 square inches. If the bases are 3 inches and 6 inches, what is the height of the trapezoid?
IRISSAK [1]
Its three because three divided by two times three plus equal 13.5
3 0
3 years ago
Read 2 more answers
A botanist collected one leaf at random from each of 10 randomly selected mature maple trees of the same species. The mean and t
Zarrin [17]

Answer:

One sample t-test for population mean would be the most appropriate method.

Step-by-step explanation:

Following is the data which botanist collected and can use:

  • Sample mean
  • Sample Standard Deviation
  • Sample size (Which is 10)
  • Distribution is normal

We have to find the best approach to construct the confidence interval for one-sample population mean. Two tests are used for constructing the confidence interval for one-sample population mean. These are:

  • One-sample z test for population mean
  • One-sample t test for population mean

One sample z test is used when the distribution is normal and the population standard deviation is known to us. One sample t test is used when the distribution is normal, population standard deviation is unknown and sample standard deviation is known.

Considering the data botanist collected, One-sample t test would be the most appropriate method as we have all the required data for this test. Using any other test will result in flawed intervals and hence flawed conclusions.

Therefore, One-sample t-test for population mean would be the most appropriate method.

8 0
3 years ago
PLEASE HELP ME<br>180=3x+45​
Whitepunk [10]

Answer:

3x=180-45

3×=135

3x/3x=135/3x

=45x

8 0
2 years ago
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