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Alex
3 years ago
8

A kitchen sink faucet streams 0.5 gallon of water in 10 seconds. Which faucet will fill a 3 gallon container faster?

Mathematics
1 answer:
SOVA2 [1]3 years ago
7 0
60 secounds, or 1 minute
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Maru [420]

Answer:

I don't know so sorry!

5 0
3 years ago
Evaluate 3x/10 if x= 180
hram777 [196]

Replace x with 180:

3(180)/10 =

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Answer : 54

8 0
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In a study of cereal leaf beetle damage to oats, researchers measured the number of beetle larvae per stem in small plots of oat
PSYCHO15rus [73]

Answer:

At 0.05 level of significance, there is no difference in the mean number of larvae per stem. This supports the scientist's claim.

(d) H0: MeanMalathion - MeanNoMalathion equals 0

H1: MeanMalathion - MeanNoMalathion not equals 0

Step-by-step explanation:

Test statistic (t) = (mean 1 - mean 2) ÷ sqrt[pooled variance (1/n1 + 1/n2)]

Let the difference between the two means be x and the pooled variance be y

n1 = 5, n2 = 12

t = x ÷ sqrt[y(1/5 + 1/12)] = x ÷ sqrt(0.283y) = x ÷ 0.532√y = 1.88x/√y

Assuming the ratio of x to √y is 0.5

t = 1.88×0.5 = 0.94

n1 + n2 = 5 + 12 = 17

degree of freedom = n1 + n2 - 2 = 17 - 2 = 15

significance level = 0.05 = 5%

critical value corresponding to 15 degrees of freedom and 5% confidence interval is 2.131

The test is a two-tailed test because the alternate hypothesis is expressed using not equal to.

The region of no rejection of the null hypothesis lies between -2.131 and 2.131

Conclusion

Fail to reject the null hypothesis because the test statistic 0.94 falls within the region bounded by the critical values.

The scientist's claim is right.

A null hypothesis is a statement from a population parameter which is either rejected or accepted (fail to reject) upon testing. It is expressed using the equality sign.

An alternate hypothesis is also a statement from a population parameter which negates the null hypothesis and is accepted if the null hypothesis is rejected. It is expressed using any of the inequality signs.

3 0
3 years ago
Use the FOIL method to find the product below.
Finger [1]

Answer:

A.  x2 − 3 x 2 − 18x

~~~~~~~~~~~~~~~~~~~~~

Hope I helped!!!

Please let me know if im right or wrong :)

<em>~Nuha</em>

<em><3</em>

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3 years ago
Need help in less than 5 minutes brainliest to the first/most helpful answer!! Need it speedy!!!!
Sonbull [250]

Answer:

1.) True

2.) False

3.) True

4.) True

6 0
2 years ago
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