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3 years ago

7

what do i do if i have meausring cups but it doesnt say how much they are? i really wanna make some cookies

1 answer:

olya-2409 [2.1K]3 years ago

5 0

Try measuring a different way, maybe with just cups

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What are the coordinates of A" if it is reflected over the y-axis?

Aleonysh [2.5K]

Answer:

(3,1)

Step-by-step explanation:

When reflecting over the y-axis if the point was on quadrant 1, then the coordinated must be changed like so (x,y) -> (-x,y), so therefore in the scenario, all we have to do is reverse this process. So in this case, Point A is (-3,1) so all we have to do is change the -3 to a positive 3 to the the coordinates of A'' which is (3,1).

6 0

2 years ago

Pete is a politician. He claims that 32% of the households in his district have total household incomes below the poverty level.

victus00 [196]

Answer:

$z=\frac{0.3867 -0.32}{\sqrt{\frac{0.32(1-0.32)}{225}}}=2.145$

For a bilateral test the p value would be:

$p_v =2*P(z>2.145)=0.0320$

Step-by-step explanation:

Information given

n=225 represent the sample selected

X=87 represent the households with incomes below the poverty level

$\hat p=\frac{87}{225}=0.3867$ estimated proportion of households with incomes below the poverty level

$p_o=0.32$ is the value that we want to test

z would represent the statistic

$p_v$ represent the p value

System of hypothesis

We want to check if the true proportion is equal to 0.32 or not.:

Null hypothesis: $p=0.32$

Alternative hypothesis: $p \neq 0.32$

The statistic is given bY:

$z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}}$ (1)

Replacing we got:

$z=\frac{0.3867 -0.32}{\sqrt{\frac{0.32(1-0.32)}{225}}}=2.145$

For a bilateral test the p value would be:

$p_v =2*P(z>2.145)=0.0320$

4 0

3 years ago

3.Cornelia spends 2 2/3 hours studying for her big science test. She spent 2/3 of an hour finishing her writing assignment and 1

Nuetrik [128]

2 2/3 + 2/3 + 1/4 =
8/3 + 2/3 + 1/4 =
10/3 + 1/4 =
40/12 + 3/12 =
43/12 =
3 7/12 hrs <===

7 0

3 years ago

What number is: a composite, has 4 factors and some of it's multiples are 44 & 88?

Nadya [2.5K]

A delightful question.
I think I have it.

The number is 22 .

Its factors are 1, 2, 11, and 22 .

3 0

2 years ago

Please give the answer.<br>what is 44x65<br>

timofeeve [1]

44x65=2860 is the answer

7 0

3 years ago

Read 2 more answers