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krok68 [10]
3 years ago
15

I have to turn this in today lol help pls:)

Mathematics
1 answer:
mrs_skeptik [129]3 years ago
6 0
400, if you can buy 4 tickets for $6 you can buy 400 for $600
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A bakery bakes small, medium and large pies the ratio small medium large 3:5:2 one day 460 medium pies are baked work out how ma
RUDIKE [14]

Answer:276

Step-by-step explanation:cba

6 0
3 years ago
A 100-square grid has 70 shaded squares. Explain how you could express this model as a fraction, percent, and decimal.
slava [35]
The fraction of squares shaded to total squares is 70/100  or 7/10
With a percent, 70% of all of the squares are shaded
With a decimal, there are 0.7 shaded blocks for every total block, so it is 0.7
Hope this helps!
6 0
3 years ago
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In the upcoming election for governor, the most recent poll, based on 900 respondents, predicts that the incumbent will be reele
Paul [167]

Answer:

.0166

Step-by-step explanation:

Central Limit Theorem for proportions:

For a proportion p in a sample of size n, the sampling distribution of the sample proportion will be approximately normal with mean \mu = p and standard deviation \sigma_{p} = \sqrt{\frac{p(1-p)}{n}}

In this question:

n = 900, p = 0.55

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The standard deviation of the sample proportion, which is:

\sigma_{p} = \sqrt{\frac{0.55*0.45}{900}} = 0.0166

4 0
3 years ago
Find the value of the variable.
Oksanka [162]

Answer:

x = 8, y = 8√2

Step-by-step explanation:

x = 8

y = 8(√2) = 8√2

8 0
3 years ago
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|-7+5|+|2+(-5)| what is the sum
scoray [572]
The sum of the equation is 5
5 0
3 years ago
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