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S_A_V [24]
3 years ago
12

What is 2,789 to the nearest ten

Mathematics
1 answer:
klemol [59]3 years ago
6 0
Hey luv!
2,789 rounded to the nearest ten would be
2,789.0

:)

You just moved one decimal
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If s ( x ) = 2 - x² and t ( x ) = 3x, what is s ( t ( -7 ) )?
soldi70 [24.7K]

Answer:

- 439

Step-by-step explanation:

  • s ( x ) = 2 - x²
  • t ( x ) = 3x
  • s ( t ( -7 ) ) = ?

--------------------------

  • t (-7) = 3 * ( -7 ) = -21
  • s ( t ( -7 ) ) = s ( -21 ) = 2 - ( -21 )² = 2 - 441 = - 439
  • s ( t ( -7 ) ) = -439
5 0
3 years ago
What is the equation simplified
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\bf \cfrac{2}{7}(2s+3)\implies \stackrel{\textit{distributing}}{\cfrac{2}{7}\cdot 2s+\cfrac{2}{7}\cdot 3}\implies \cfrac{2\cdot 2}{7}s+\cfrac{2\cdot 3}{7}\implies \cfrac{4}{7}s+\cfrac{6}{7}

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3 years ago
How many millimetrs are there in 4cm?
blagie [28]
Since 1 cm = 10 mm
Then 4 cm = 40 mm
6 0
4 years ago
Plz help by the way I have iPhone 11
Anon25 [30]

Answer:

3 times 4

Step-by-step explanation:

3 groups of 4...............

4 0
3 years ago
Read 2 more answers
Find the point estimate for the true difference between the given population means. Round your answer to three decimal places.
uranmaximum [27]

Answer:

Point Estimate for different between population means = - 0.99

Step-by-step explanation:

We are given data of two samples and we have to find the best point estimate of the true difference between two population means. Remember that in absence of data about population the best estimator is the sample data. So, we will find the means of both sample data and find the difference of that means. This difference between the means of sample data will be the best point estimate for the true difference between the population means.

Formula to calculate the mean is:

Mean=\frac{\text{Sum of Values}}{\text{Number of Values}}

Mean of Sample 1:

Mean=\frac{1414}{11}=128.55

Mean of Sample 2:

Mean=\frac{1684}{13}=129.54

Therefore the best point estimate for difference between two population means would be = Mean of Sample 1 - Mean of Sample 2

= 128.55 - 129.54

= - 0.99

8 0
3 years ago
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