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victus00 [196]
2 years ago
11

Twelve students have an equally likely chance of being selected in a drawing at school. Eight are 7th graders and four are 8th g

raders. What is the probability that an 8th grader will be selected?
Mathematics
1 answer:
rewona [7]2 years ago
6 0
1/3 or 33.33333% chance that an 8th grader will be selected
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It is proposed to build a raft of pine logs for carrying a cargo on a river. The cargo will weigh 500 kg, and it must be kept en
siniylev [52]

Answer:

They will need 200kg of pine logs.

Gauge pressure in the tank = 24045.29 Pa

Absolute pressure= 125370.29Pa

Step-by-step explanation:

Full question:sp.gr=0.8.The fluid in the nanometer is ethyl iodide with sp.gr =1.93. The manometric fluid height is 50 inches. What is the gauge pressure and absolute pressure in the tank?

Converting 50inches to metres. Multiply by 0.0254

50×0.0254=1.27m

Gauge pressure in tank is given by:

P = pgh

Where p= density,g= acceleration due to gravity, h= height

P= 1.93× 1000× 9.81× 1.27= 24045.29Pa

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6 0
3 years ago
Solve for z. z³ = 64 Enter your answer in the box. z =
zlopas [31]

Answer:

z³ = 64

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since power is equal, base will be same

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Step-by-step explanation:

6 0
3 years ago
A. Sin40=6/x<br> B. Sin40= x/6<br> C. Cos40= x/6<br> D. Cos40=6/x
STatiana [176]
The answer is A. sin40=6/x
7 0
3 years ago
-2.3(4.5-3 1/2)<br> What is the answer
LUCKY_DIMON [66]

The computation shows that the value of the expression is 2.3.

<h3>How to illustrate the information?</h3>

It should be noted that the information given is illustrated as:

2.3(4.5-3 1/2)

This will be solved thus:

2.3(4.5-3 1/2)

2.3 ( 4.5 - 3.5)

= 2.3 (1)

= 2.3 × 1

= 2.3

Therefore, the value is 2.3

Learn more about computations on:

brainly.com/question/4658834

#SPJ1

7 0
1 year ago
Graph the linear function r(x)=2
wlad13 [49]

It's a linear function with a slope 0.

It's a horizontal line (look at the picture).

4 0
3 years ago
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