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Vanyuwa [196]
3 years ago
9

Here’s a graph of linear function. Write the equation that describes that function.

Mathematics
1 answer:
Shkiper50 [21]3 years ago
8 0

Answer: The equation that represents the graph is y= -1x+5 .

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Does this table represent a function or not? Why or why not?
kirill115 [55]

Answer:

D. No, because two of the y-values are the same

Step-by-step explanation:

The y values cannot be the same

7 0
2 years ago
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The first song performed during a concert was more than 60 seconds longer than the final song. The first song was 190 seconds lo
Kamila [148]

Answer:

3. 130

2. Open Circle at f, shaded left.

Step-by-step explanation:

Edg. 2020

8 0
3 years ago
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It takes 36 nails to weigh one pound. How many nails would it take to weigh 7 wholes and 2/3 pounds?
o-na [289]
36 * 7  gives you the number of nails in the whole pounds
36 * 2/3 gives you the fraction part

7 * 36 = 252
2/3 * 36 = 24

Total nails = 252 + 24 = 276 nails
5 0
3 years ago
What is the value of the exponential expression 36 1/2
garik1379 [7]
For this case we have an exponential expression of the form:
 36^{ \frac{1}{2}}
 We can rewrite the exponential expression using power properties.
 We have then:
 \sqrt{36}
 From here, we take the square root of 36.
 We have then:
 \sqrt{36} = 6
 Answer:
 T
he exponential function is given by:
 
36^{ \frac{1}{2}}=6
4 0
3 years ago
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Some researchers claim that herbal supplements (such as ginkgo biloba) can impact human memory. To test this claim, a researcher
Alecsey [184]

Answer:

(a) The data are not sufficient to demonstrate that the herb has a significant effect on memory.

(b) Cohen's d = 5.07

Step-by-step explanation:

(a) Null hypothesis: The herbal supplement (ginkgo biloba) can impact human memory

Alternate hypothesis: The herbal supplement (ginkgo biloba) cannot impact human memory.

Z = (sample mean - population mean) ÷ sd/√n

Sample mean = 76, population mean = 70, sd = 15, n = 25

Z = (76 - 70) ÷ 15/√25 = 6 ÷ 3 = 2

Using a 0.05 significance level for a two tailed test, the critical value is 1.96

For a two tailed test, the region of no rejection of the null hypothesis lies between -1.96 and 1.96

Conclusion: Since the test statistic (Z = 2) falls outside the region bounded by -1.96 and 1.96, reject the null hypothesis. The herbal supplement (ginkgo biloba) cannot impact human memory.

Hence, the data are not sufficient to demonstrate that the herb has a significant effect on memory.

(b) Cohen's d = M/sd = 76/15 = 5.07

6 0
3 years ago
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