Ask question

Ask question

All categories

4 years ago

13

a student reads at a rate of 16 pages per day. which ordered pair is not on the graph of this relationship? a)0, 16. b)1, 16. c)

1.5, 24. d)2, 32

1 answer:

pashok25 [27]4 years ago

8 0

The answer to your question is A.

You might be interested in

A veterinarian knows that a 50-pound dog gets 0.5 milligrams of certain medicine and that the number of milligrams, m, varies di

ioda

The veterinary should give the dog 0.1 m if medicine

6 0

3 years ago

Read 2 more answers

∠x and ∠y are supplementary angles. ∠y measures 97੦ What is the measure of ∠x?

trasher [3.6K]

Answer:

83 degrees

Step-by-step explanation:

Supplementary angles are two angles whose sums add up to 180 degrees. Since you have one angle that is 97 degrees and one that is unknown, you can just subtract 97 from 180.

180 - 97 = 83 degrees

8 0

3 years ago

macy is trying to construct an isosceles triangle. She assigns and angle measurement of 40 degrees to the unique angle of the tr

Hitman42 [59]

Given that Macy wants to construct an isosceles triangle, with the unique angle being 40° it implies that for the triangle to be isosceles, the base angles should be the same. The size of the base angles will be:
(180-40)/2=70
given that that the base is 6 cm, Macy can only form 1 triangle with these dimensions.
The length of the other sides will be found using sine rule
a/sin A=b/sin B
a=6 cm
A=40°
b=?
B=70
hence:
6/sin 40=b/sin 70
b=(6sin 70)/sin40
b=8.77 cm

3 0

4 years ago

the store is having a promotion. for every 8 glasses you buy, you get 3 free plates. Malcolm got 9 free plates. how many glasses

Tresset [83]

He got 24 glasses bc 3 plates is 8 glasses so 9 will be 24

5 0

3 years ago

Read 2 more answers

Statistics professors believe the average number of headaches per semester for all students is more than 18. From a random sampl

kompoz [17]

Complete Question

Statistics professors believe the average number of headaches per semester for all students is more than 18. From a random sample of 15 students, the professors find the mean number of headaches is 19 and the standard deviation is 1.7. Assume the population distribution of number of headaches is normal.the correct conclusion at $\alpha =0.001$ is?

Answer:

There is no sufficient evidence to support the professor believe

Step-by-step explanation:

From the question we are told that

The population mean is $\mu = 18$

The sample size is $n = 15$

The sample mean is $\= x = 19$

The standard deviation is $\sigma = 1.7$

The level of significance is $\alpha = 0.001$

The null hypothesis is $H_o: \mu = 18$

The alternative hypothesis is $H_a : \mu > 18$

The critical value of the level of significance from the normal distribution table is

$Z_{\alpha } = 3.290527$

The test hypothesis is mathematically represented as

$t = \frac{\= x - \mu }{ \frac{\sigma}{ \sqrt{n} } }$

substituting values

$t = \frac{ 19 - 18}{ \frac{1.7}{ \sqrt{15} } }$

$t = 2.28$

Looking at the value of t and $Z_{\alpha }$ we can see that $t < Z_{\alpha }$ so we fail to reject the null hypothesis.

This mean that there is no sufficient evidence to support the professor believe

3 0

4 years ago