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NemiM [27]
3 years ago
12

Zachary has been trying to work on an essay for almost three hours, be he can't seem to focus for more than 15 or 20 minutes at

a time. What should he do so that the quality of his work doesnt suffer because of poor concentration and lack of energy
SAT
1 answer:
ludmilkaskok [199]3 years ago
3 0

well first he would have to work intervals at a time for example 15 min study intervals then snack break but only brain foods to help his memory then repeat the proceed until desired time

plz mark brainliest

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Two fifth grade classes are attending an amusement park as a field trip. Their teachers purchased the tickets for the class and
Alborosie

Answer:

1 Adult ticket=$35

1 Children ticket=$20

Step-by-step explanation:

21C+15A=945

6C+6A=330

we find adult tickets first

42C+30A=1890

42C+42A=2310

12A=420

A=35

we will find children ticket next

42c+30a=1890

30c+30a=1650

12c=240

C=20

credits to Michael for the secondary part

7 0
3 years ago
George started a coin collection. his dad gave him 75 coins. each month he will add 20 coins to the collection. which equation c
Paha777 [63]

Answer:

The equation that could be used for determining the y should be option B y = 20x + 75

Calculation of an equation:

Since dad gave him 75 coins. each month he will add 20 coins.

Here we assume a number of months be x

So, the equation is

y = 20x + 75

Therefore, we can conclude that The equation that could be used for determining the y should be option B y = 20x + 75

Explanation:

hope this helps!:) if does mark brainllest pls and thank u!

8 0
2 years ago
56. If f(x) = x? - 2, then f(x + h) = ?
xxTIMURxx [149]

Answer:

F. r? + h2

Explanation:

7 0
2 years ago
Dale created slides with charts that support information in his presentation. What should do when he presents these slides? (3 p
Kitty [74]

Answer:

C

Explanation:

I took the test.

8 0
3 years ago
Frank, who lives in texas, and his sister lilly, who lives in japan, correspond regularly. From what he can tell from the postma
ehidna [41]

Answer:

(A) There is convincing evidence that there is no difference in the mean delivery times.

(B) There is convincing evidence that there is a difference in the mean delivery times.

(C) There is convincing evidence that the mean delivery time from Japan to Texas is greater than the mean delivery time from Texas to Japan.

(D) There is not convincing evidence that the mean delivery time from Japan to Texas is greater than the mean delivery time from Texas to Japan.

(E) The t-test cannot be used for sample sizes that are this small.

Explanation:

The correct option is;

(A) There is convincing evidence that there is no difference in the mean delivery times.

Step-by-step explanation:

Here we have the formula for the two-sample t-test given s;

 

To Texas N₁ = 12,   =8.74 σ₁ = 2.92 SE Mean₁ = 0.84

To Japan N₂ = 9   = 6.75 σ₂ = 2.56 SE Mean₁ = 0.85

t =   1.667

Where the null hypothesis is

mu To Texas = mu To Japan and the alternative is

mu To Texas > mu To Japan

Here since the observed P value of P = 0.058 is greater than the significance level of 0.05 we fail to reject the null hypothesis and we will therefore, not accept the alternative hypothesis.

Hence, there is convincing evidence that there is no difference in the mean delivery times.  

3 0
2 years ago
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