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irina [24]
3 years ago
8

Marianne has 3/7 cup of sugar to bake a cake she has 3/5 cup does she have enough to make the cake yes or no

Mathematics
1 answer:
jenyasd209 [6]3 years ago
6 0

Answer:

Yes

Step by step explanation:

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Can someone please help me on this ty!!
AVprozaik [17]
-1
3/4
1/2
Hope this helps
8 0
3 years ago
X^2-21.75x=-15.75 what is one solution
Jlenok [28]
Well, there are two solutions.

Add both sides by 15.75 then from here, you can use quadratic formula.

So your answer should be x = -2.44949 or 2.44949.
5 0
3 years ago
The mayor of a town has proposed a plan for the annexation of an adjoining community. A political study took a sample of 900 vot
Stells [14]

Answer:

z=\frac{0.75 -0.72}{\sqrt{\frac{0.72(1-0.72)}{900}}}=2.00  

Now we can calculate the p value. Since is a bilateral test the p value would be:  

p_v= P(Z>2) =0.0228

Since the p value is lower than the significance level of 0.05 we have enough evidence to conclude that the true proportion of residents favored annexation is higher than 0.72 or 72%

Step-by-step explanation:

Information given

n=900 represent the random sample selected

\hat p=0.75 estimated proportion of residents favored annexation

p_o=0.72 is the value that we want to test

represent the significance level

z would represent the statistic

p_v represent the p value

Hypothesis to test

The political strategist wants to test the claim that the percentage of residents who favor annexation is above 72%.:  

Null hypothesis:p\leq 0.72  

Alternative hypothesis:p > 0.72  

The statistic for this case is given by:

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

Replacing the data given we got:

z=\frac{0.75 -0.72}{\sqrt{\frac{0.72(1-0.72)}{900}}}=2.00  

Now we can calculate the p value. Since is a bilateral test the p value would be:  

p_v= P(Z>2) =0.0228

Since the p value is lower than the significance level of 0.05 we have enough evidence to conclude that the true proportion of residents favored annexation is higher than 0.72 or 72%

3 0
3 years ago
Each of the letters of the word COLORADO are written on a piece of paper and then put into a bag. A piece of paper is drawn at r
Ilia_Sergeevich [38]

0.375 is the answer because there are 3 0's in COLORADO and 8 letter's in total. The fraction part would be 3/8 and in decimals it is 0.375.

3 0
3 years ago
Read 2 more answers
When comparing salaries which unit rate is better:$3250/month or $4000/month?
koban [17]
I think that £3250/month is better because why would you want to spend £4000 when you can spend £3250.
7 0
3 years ago
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