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Marina CMI [18]
3 years ago
11

Round 87,162 to the nearest thousand

Mathematics
2 answers:
zhannawk [14.2K]3 years ago
8 0
87,000 is the nearest thousand.
Allisa [31]3 years ago
5 0
87000 rounded :))))))))
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PLS HELP WILL GIVE BRAINLIEST AND 5 STARS
lianna [129]

Answer:

7

Step-by-step explanation:

Initial Value is when x = 0, y = some number. In this case, your table shows that when x = 0, y = 7. So your initial value is 7 (answer choice A). Hope this helped! :D And also please mark me as brainlest! :)

4 0
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Suppose the plant p(s) = 1 s + 10 has input u(t) and output y(t). determine y(t) if the input is:
Thepotemich [5.8K]
May you explain this question more i may be able to help you
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12 packs of skwunch apple juice cost 3.00 after a 40% discount . which equation would allow you to find the original price of 12
kondaur [170]
$4.20
The discount price ($3) multiplied by 1.4
Explanation: 1.4 came from the whole of the discounted item plus the amount that was discounted before.
4 0
3 years ago
Simplify (7x + 2 + 8x
nekit [7.7K]
(7x + 2 + 8x^4) – (2x – 5 – 8x^4) + (3x + 5x^4)
= 7x + 2 + 8x^4 – 2x + 5 + 8x^4 + 3x + 5x^4
= 8x + 7 + 21x^4
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6 0
3 years ago
An agricultural field trial compares the yield of two varieties of tomatoes for commercial use – one is the common variety used
miv72 [106K]

Answer:

p-value 0.0124

Step-by-step explanation:

Hello!

In this experiment, 10 plots were randomly sampled and each plot was divided in a half, one half was planted with the common variety of tomato and the other half was planted with the new hybrid variety. At harvest time it was measured the pounds per plant harvested and the variable difference was established. This study variable is defined as the difference between the pounds per plant of the hybrid variety minus the pound per plant of the common variety. Symbolized: Xd: Xnew - Xcommon.

The purpose of this experiment is to test whether there is a difference between the yield of both species. This is a classic example of a paired test, in which you want to put two dependent samples to test. The easiest way to recognize this type of test, if it is not specified in the problem, is that both variables are measured in the same sampling unit. In this case, the sampling unit is "one plot" that was divided and both verities of tomatoes were planted on it.

This test is also called "paired samples T-test" and as a statistic, you have to use the Student t.

The data given is:

sample: 10 plots

sample mean: Xd[bar]: 1.05ppp

sample standard deviation Sd: 1.23ppp

If the hybrid has a higher yield, that would mean that the difference between them would be positive if the difference is positive, its safe to assume that the population mean of the difference will be positive as well. Symbolically: μd>0

With this, you can state the hypothesis as:

H₀:μd≤0

H₁:μd>0

α: 0.05

t=<u> Xd[bar] - μd</u> ~ t_{n-1}

       Sd/n

tt_{obs}= (1.05 - 0) / (1.23/√10) = 2.69

This is a one-tailed test with critical value t_{9;0.95} = 1.83

the p-value for this test is also one tailed.

p(t_{9}≥2.69) = 1-P(t_{9}<2.69) = 1 - 0.9876 = 0.0124

The decision is to reject the null hypothesis.

I hope it helps!

5 0
3 years ago
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