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andriy [413]
3 years ago
14

4 (2y+y) - 6 (4y+3y)

Mathematics
1 answer:
In-s [12.5K]3 years ago
7 0
I hope I help you out

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4n+ 6 -2n = 2(n + 3)<br> Please help me solve
Paraphin [41]

Answer is provided in the image attached.

5 0
3 years ago
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Refer to the previous exercise. The researchers wanted a sufficiently large sample to be able to estimate the probability of pre
Maru [420]

Answer:

<em>The large  sample n = 117.07</em>

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given that the estimate error (M.E) = 0.08

The proportion (p) = 0.75

q =1-p = 1- 0.75 =0.25

Level of significance = 0.05

Z₀.₀₅ = 1.96≅ 2

<u><em>Step(ii):-</em></u>

The Marginal error is determined by

M.E = \frac{Z_{0.05} \sqrt{p(1-p)}  }{\sqrt{n} }

0.08 = \frac{2 X \sqrt{0.75(1-0.75)}  }{\sqrt{n} }

Cross multiplication , we get

\sqrt{n}  = \frac{2 X \sqrt{0.75(1-0.75)}  }{0.08 }

√n = \frac{2 X0.4330}{0.08} = 10.825

squaring on both sides , we get

n = 117.07

<u><em>Final answer:-</em></u>

<em>The large  sample n = 117.07</em>

6 0
2 years ago
Express -5 1/4 as a decimal
rewona [7]
I believe it would be -5.25
5 0
3 years ago
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Two water tanks are shown. Tank a is a rectangular prism and tank b is a triangular prism. Tank a is filled with water.
olganol [36]

Answer:

6 meters

Step-by-step explanation:

i see it on the picture and yeah and i did the math

3 0
3 years ago
What is the value of x?
Makovka662 [10]

Answer:

A-100

Step-by-step explanation:

Use the Pythagorean therom.

a^2+b^2=c^2

6^2+8^2=c^2

36+64=100.

Hope this helps. Kinda confused me.


4 0
3 years ago
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