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3 years ago

Can someone help me and my sister with this paper??

Mathematics

2 answers:

Sophie [7]3 years ago

6 0

Think it's 4 because 5 factors and only number with 5 factors is 4 :p

Burka [1]3 years ago

5 0

It’s actually 20 because 20 has 1, 2, 4, 5, & 10

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Amy, Bodie, Claire, and Dejan are in the same math class. The locations of their desks in relation to each other are graphed on

Xelga [282]

Answer:10 ft

Step-by-step explanation:

5 0

2 years ago

To help consumers assess the risks they are taking, the Food and Drug Administration (FDA) publishes the amount of nicotine foun

QveST [7]

Answer:

We conclude that the mean nicotine content is less than 31.7 milligrams for this brand of cigarette.

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 31.7 milligrams

Sample mean, $\bar{x}$ = 28.5 milligrams

Sample size, n = 9

Alpha, α = 0.05

Sample standard deviation, s = 2.8 milligrams

First, we design the null and the alternate hypothesis

$H_{0}: \mu = 31.7\text{ milligrams}\\H_A: \mu < 31.7\text{ milligrams}$

We use One-tailed t test to perform this hypothesis.

Formula:

$t_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{s}{\sqrt{n}} }$

Putting all the values, we have

$t_{stat} = \displaystyle\frac{28.5 - 31.7}{\frac{2.8}{\sqrt{9}} } = -3.429$

Now, $t_{critical} \text{ at 0.05 level of significance, 8 degree of freedom } = -1.860$

Since,

$t_{stat} < t_{critical}$

We fail to accept the null hypothesis and accept the alternate hypothesis. We conclude that the mean nicotine content is less than 31.7 milligrams for this brand of cigarette.

3 0

3 years ago

Melanie and Joseph are raising money for their class trip to the zoo. They each need $30 to pay for the trip and are selling box

lisabon 2012 [21]

Melanie needs $18 more dollars. joseph has sold 5 boxes which means he has $20 and melanie has sold 3 which means she has $12 so 30-12=18

4 0

3 years ago

Read 2 more answers

Beacause 35 is less than 39 the frezzing point of butter is closer to the frezzing point of water which is 0

maria [59]

if 35 is LESS than 39

so +35 - 39 is -4 F°

the answer to the freezing point of (hehe) butter is -4 F°

8 0

3 years ago

Read 2 more answers

Question 5 (1 point)<br><br> Write an equivalent expression for (m + 4n) - 2.5m

aliina [53]

Answer:

-1.5m + 4n is the equivalent expression

Step-by-step explanation:

To find the equivalent expression, we combine the like terms.

We are given the following expression:

m + 4n - 2.5m

Combining the like terms:

m - 2.5m + 4n

-1.5m + 4n is the equivalent expression

4 0

3 years ago