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mars1129 [50]
3 years ago
13

Ms. Boehmer's dog Stella weighs about 20.5 kilograms. How many grams does it weigh?

Mathematics
2 answers:
Zarrin [17]3 years ago
8 0

Answer:

20500

Step-by-step explanation:

Every kilogram is 1000 grams,

You would times 20.5 by 1000 to get

20500 grams.

Ivahew [28]3 years ago
6 0
20500 because every kg are 1000
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A garden is 30 feet long. a row of beans is planted every 15 inches. how many rows of beans are in the garden? a. 20 rows b. 24
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Answer:

b) 24 rows

Step-by-step explanation:

12 inches = 1 foot

Since we are doing 30 feet, multiply 12 by 30

12 · 30 = 360 inches

Then, divide the total length (360 inches) by the spacing size (15 inches)

360 ÷ 15 = 24 rows total

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2 years ago
Sari is factoring the polynomial 2x2+5x+3. If one factor is (x+1), what is the other factor?
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Answer:

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3 years ago
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A television network is deciding whether or not to give its newest television show a spot during prime viewing time at night. If
musickatia [10]

Answer:

a. The test statistic for this hypothesis would be z=1.71

b. Critical value at α = 0.10: z=1.282

c. Reject H0, the television network should not keep its current lineup.

d. H0: p ≤ 0.50; HA: p > 0.50

Step-by-step explanation:

We have to performa an hypothesis test on a proportion.

The claim is that the proportion of viewers that prefer the new show is bigger than 50% (meaning that most viewers prefer the new show).

The null hypothesis will state that both shows have the same proportion.

Then, the null and alternative hypothesis are:

H_0: \pi\leq0.50\\\\H_a: \pi>0.5

The sample proportion is p=0.53

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The standard error of the proportion is:

\sigma_p=\sqrt{\dfrac{p(1-p)}{n}}=\sqrt{\dfrac{0.5*0.5}{827}}= 0.017

Then, the z-statistic can be calculated as:

z=\dfrac{p-\pi-0.5/n}{\sigma_p}=\dfrac{0.53-0.50-0.5/827}{0.017}=\dfrac{ 0.029 }{0.017} =1.706

The critical value for a right tailed test at a significance level of 0.10 is zc=1.282. This value can be looked up in a standard normal distribution table.

As the statistic is bigger than the critical value, it lies in the rejection region. The null hypothesis is rejected. There is evidence to support the claim that the proportion of viewers which support the new show is larger than 0.50.

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3 years ago
What is -6474-46474 don’t know
Irina-Kira [14]

HEY!!

Answer: -52948

Hope this helps!

~LENA~

6 0
3 years ago
Find the slope of the line that passes through the points (2, 1) and (-4, -5).
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