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Vinil7 [7]
4 years ago
11

Please help!!!!!!!!!!!!!?

Mathematics
2 answers:
Dahasolnce [82]4 years ago
6 0
I think the answer is 2.5
Arlecino [84]4 years ago
3 0
I think 2.5 years i could be wrong.

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Brain and Zach went to village grille for lunch. Brian's lunch cost $4 less than 3 times Zach's. The total cost for lunch was $2
LuckyWell [14K]

Answer:

The cost for Zach's lunch is 12, and for Brain's lunch it cost 8.

Step-by-step explanation:

Since, I am sorry, you can answer from here in out. ;)

4 0
3 years ago
A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly at the 418 gram setting. It
VMariaS [17]

Answer: There is sufficient evidence to support the claim that the bags are under-filled.

Step-by-step explanation:

Since we have given that

H_0:\mu=418\\\\H_a:\mu

Sample mean = 411

Standard deviation = 20

n = 9

So, the test statistic value is given by

z=\dfrac{\bar{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}\\\\\\z=\dfrac{411-418}{\dfrac{20}{\sqrt{9}}}\\\\\\z=\dfrac{-7}{\dfrac{20}{3}}\\\\\\z=-1.05

At 0.025 level of significance,

critical value z = -2.306

since -2.306<-1.05

so, we will reject the null hypothesis.

Yes, there is sufficient evidence to support the claim that the bags are underfilled.

5 0
3 years ago
True or false? A circle could be circumscribed about the quadrilateral below
bagirrra123 [75]
The answer that i believe in is "TRUE"
4 0
4 years ago
Read 2 more answers
Pre-algebra Volumes. GIVING BRAINLEST! TO FIRST ANSWER. 25 POINTS!
Anettt [7]

Answer:

Choice B and Choice C

Step-by-step explanation:

Hello! This is how I solved this question:

(10 x 8 x 2) + (3 x 3 x 4) = 160 + 36 = 196ft^3

(10 x 3 x 2) + (5 x 4 x 2) = 60 + 40 = 100ft^3

(8 x 4 x 2) + (3 x 6 x 2) = 64 + 36 = 100ft^3

(8 x 10 x 3) + (4 x 5 x 2) = 240 + 40 = 280ft^3

Choice B and Choice C are the same values, and knowing that you need two of the same values for the volume of the figure must be the same. Giving you your two answers from simply multiplying and adding the answers.

Hope this helps, don't hesitate to ask if you have additional inquiries!

8 0
2 years ago
There were 11 students running in a race how many different arrangements of first second and third place are possible
notka56 [123]

<u>Answer:</u>

<h2>990</h2>

<u>Explanation:</u>

For first place, we have 11 choices

11 × __ × __

For second place, we have 10 choices

11 × 10 × __

And for third place, we have 9 choices

11 x 10 x 9 = 990 ways

This is also a permutation

11! / (11-3)! = 990

Hope it helps

3 0
3 years ago
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