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3 years ago

Eight years ago, Manny was 4 years old. Let m equal Manny's age now. Circle every equation that shows Manny's age now.

Mathematics

1 answer:

iVinArrow [24]3 years ago

5 0

Answer:

4+8=M or 4+8=12 or just 12

Step-by-step explanation:

there isnt anything to circle so but since he was 4, 8 years ago, you would add 4 and 8.

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Xavier ran four miles on his first day of training. The next day he ran eight ninths that distance. How far did he run on the se

serg [7]

Well, it's the product of 8/9 and the 4 miles. The result is 32/9 miles, that is, 3,55 miles.

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3 years ago

What does the E stand for in 3.1536e+17

V125BC [204]

Answer:

well e stands for like what you multiply

Step-by-step explanation:

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2 years ago

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The proportion of left handed people in the population is about 0.10. Suppose a random sample of 300 people is observed. (a) Wha

pantera1 [17]

Answer: $(\hat{p})\sim N(0.10,\ 0.017)$

Step-by-step explanation:

Sampling distribution of the sample proportion $(\hat{p})$ :

$(\hat{p})\sim N(p,\ \sqrt{\dfrac{p(1-p)}{n}})$

The sampling distribution of the sample proportion $(\hat{p})$ has mean = $\mu_{\hat{p}}=p$ and standard deviation = $\sigma_{\hat{p}}=\sqrt{\dfrac{p(1-p)}{n}}$ .

Given : The proportion of left handed people in the population is about 0.10.

i.e. p=0.10

sample size : n= 300

Then , the sampling distribution of the sample proportion $(\hat{p})$ will be :-

$(\hat{p})\sim N(0.10,\ \sqrt{\dfrac{0.10(1-0.10)}{300}})$

$(\hat{p})\sim N(0.10,\ \sqrt{0.0003})$

$(\hat{p})\sim N(0.10,\ 0.017)$ (approx)

Hence, the sampling distribution of the sample proportion $(\hat{p})$ is $(\hat{p})\sim N(0.10,\ 0.017)$

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3 years ago

Tara is making dinner for 9 people. She mixes 1 1/4 kilograms of rice with 500grams of vegetables and 410 grams of meat. If all

kotegsom [21]

Answer:

240 grams

Step-by-step explanation:

Tara uses:

$1 \dfrac{1}{4}\ kg=1 \ kg\ 250 \ g=1250\ g$ of rice
500 g of vegatables
410 g of meat

In total, Tara uses

$1250+500+410=2160\ g$ of ingredients.

She is making dinner for 9 people, so the weight of each serving is

$2160:9=240\ g$

3 0

3 years ago

Look at triangle ABC. What is the length of side AB of the triangle?

Gennadij [26K]

Use distance formula.
√(2-5)²+(2-4)²
√(-3)²+(-2)²
√9+4
√13

Letter D.

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3 years ago

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