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valentinak56 [21]
2 years ago
5

Suppose that the mean GPA (grade point average) for a random sample of all seventh graders at your school is 3.25 and the mean G

PA for a random sample of all eighth graders at your school is 2.85. Explain why this does not tell us that the mean GPA of all seventh graders at your school is different from the mean GPA of all eighth graders at your school.
Mathematics
1 answer:
elena-14-01-66 [18.8K]2 years ago
6 0

Answer:

I don't know how to explain

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99.00000000000 x 9/11
julia-pushkina [17]

Step-by-step explanation:

=99*9/11

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3 years ago
Please help im very confused
joja [24]
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7 0
2 years ago
1/2(x+10)= 1/4 (x-8) x= <br> (must be a fraction)
Alex_Xolod [135]

Answer:

x=-9\frac{1}{3}

Step-by-step explanation:

\frac{1}{2}(x+10)=\frac{1}{4}(x-8)

\frac{1}{2}x+5=\frac{1}{4}x-2

\frac{1}{2}x-\frac{1}{4}x=-5-2

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x=-\frac{28}{3}=-9\frac{1}{3}

5 0
3 years ago
What is the approximate estimation for 29.942 + 13.433
Nana76 [90]

Answer:

the answer would be it is approximately <u>4</u><u>3</u><u>.</u><u>8</u><u>5</u>

<u>(</u><u>did </u><u>addition</u><u>)</u>

6 0
2 years ago
Read 2 more answers
I need help please.
aev [14]

Answer:

76.8 inches

Step-by-step explanation:

we have :

1m= 39.37 inches

1.95m =?

we can write:

(1.95m*39.37 inches)/1m=

76.77 inches = 76.8 inches

so finally we have:

1.95m = 76.8 inches

7 0
3 years ago
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