3 years ago

Solve the equation. 1/3(8x-9)=10x/3-(x+9)/6

Mathematics

1 answer:

True [87]3 years ago

6 0

The answer to this question is x= -3

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Help please!!<br>Find the area of the figure!<br>

coldgirl [10]

Answer:

Step-by-step explanation:

(in X is 400) (in division is 0.000625) (in + its agin 400) ( and in minus is -40)

hope this help you if not i tried. :)

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2 years ago

A researcher wishes to estimate the proportion of adults who have high-speed Internet access. What size sample should be obtain

slega [8]

Answer: 8359

Step-by-step explanation:

The formula for sample size needed for interval estimate of population proportion :-

$n=p(1-p)(\frac{z_{\alpha/2}}{E})^2$

Given : The significance level : $\alpha=1-0.95=0.05$

Critical value : $z_{\alpha/2}}=z_{0.025}=\pm1.96$

Previous estimate of proportion : $p=0.32$

Margin of error : $E=0.01$

Now, the required sample size will be :-

$n=0.32(1-0.32)(\frac{1.96}{0.01})^2=8359.3216\approx8359$

Hence, the required sample size = 8359

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2 years ago

Which exponential function goes through the points (1, 8) and (4, 64)?

Mama L [17]

An exponential function can be expressed as:

y=ab^x we have two points so we can solve

64/8=(ab^4)/(ab^1)

8=b^3

2=b, now we have:

y=a(2^x), using point (4,64)

64=a(2^4)

64=16a

4=a so

y=4(2^x)

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3 years ago

Find an equivalent ratio in simplest terms:<br> 12 : 32

jarptica [38.1K]

Answer:

3:8 i think

Step-by-step explanation:

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2 years ago

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Find the surface area and volume of the prism

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Answer:

Step-by-step explanation:

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