2 years ago

For each of the following, decide whether the description fits the SD or the SE.

Mathematics

1 answer:

Anna71 [15]2 years ago

3 0

The answer is B because the quantity tends to stay the same as the sample goes up

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To make ribbon and bow for a hat, Stacey needs 5/6 yard of black ribbon and 2/3 yard of red ribbon. how much total ribbon does s

larisa86 [58]

First make the denominators of the fractions the same by multiplying.

$\frac{2}{3}$ × $\frac{2}{2}$
= $\frac{4}{6}$

Now we just need to add the fractions together

$\frac{5}{6} + \frac{4}{6}$
= $\frac{9}{6}$

9/6 would be the answer, but it can be simplified further, then converted into decimal form.

$\frac{9}{6}$ ÷ $\frac{3}{3}$
= $\frac{3}{2}$
=1.5 yards

Your final answer is 1.5 yards of ribbon are needed.

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3 years ago

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Can someone please give me the (Answers) to this? ... please ...<br><br> I need help….

Mrac [35]

Answer:

Step-by-step explanation:

5. x/7 = 9/x

x^2 = 63

x= 3 $\sqrt{7}$

6. x/84 = 16/x

x^2 = 1344

x=8 $\sqrt{21}$

7. x/12 = 12/16

16x=144

x=9

8. x/48 = 48/64

64x=2304

x=36

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1 year ago

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If a fair die is rolled 3 times, what is the probability, to the nearest thousandth, of

seropon [69]

Answer:

0.347

Step-by-step explanation:

n = 3

p = 1/6

r = 1

Use binomial probability:

P = nCr pʳ qⁿ⁻ʳ

P = ₃C₁ (1/6)¹ (5/6)³⁻¹

P = 0.347

Or, using a calculator:

P = binompdf(n, p, r)

P = binompdf(3, 1/6, 1)

P = 0.347

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2 years ago

Plzzzzzzz helllp failing

telo118 [61]

Answer:

i belive a or c please tell me if i waz wroung

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2 years ago

A family has two cars. The first car has a fuel efficiency of 15 miles per gallon of gas and the second has a fuel efficiency of

Vedmedyk [2.9K]

Step-by-step explanation:

685 a piece per car split

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2 years ago