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BARSIC [14]
4 years ago
8

PLEASE HELP! WILL MARK BRAINLIEST!!!

Mathematics
2 answers:
Reptile [31]4 years ago
6 0

Answer: options two and three

Step-by-step explanation: have a great day!

NeTakaya4 years ago
6 0

Answer:

Step-by-step explanation:

Eight negatives,three positives, four positives and four negatives, one positive and four negatives

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Corey needs 24 boards that ate 47 1/ 2 inches long. How many feet of boards should he buy. Explain
Illusion [34]
If each board is going to be 47 and 1/2 inches long, and there'll be 24 of them, then their total is just their product.

keep in mind that there are 12 inches in 1 foot.

\bf 24\cdot 47\frac{1}{2}\implies 24\cdot \cfrac{47\cdot 2+1}{2}\implies 24\cdot \cfrac{95}{2}\implies \cfrac{24}{1}\cdot \cfrac{95}{2}\implies \cfrac{2280}{2}
\\\\\\
\stackrel{inches}{1140}\implies 1140~\underline{in}\cdot \cfrac{ft}{12~\underline{in}}\implies \cfrac{1140~ft}{12}\implies 95~ft
8 0
3 years ago
What is 2+2.8/2.45*5.654=
alekssr [168]
8.4617....

Hope this helped you :)
6 0
3 years ago
Read 2 more answers
Suppose you have two​ populations: Population Along dashAll students at a state college ​(Nequals​21,000) and Population Blong d
Leno4ka [110]

Answer:

See the explantion below

Step-by-step explanation:

The margin of error is the range of values below and above the sample statistic in a confidence interval.

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

Assuming the X follows a normal distribution

X \sim N(\mu, \sigma)

We know that the margin of error for a confidence interval is given by:

Me=z_{\alpha/2}\frac{\sigma}{\sqrt{n}}   (1)

If we see the formula (1) at the same confidence level, for example 95% and with the same sample size the margin of error just depends of the deviation. If the population deviation for population A is higher than the population deviation for B then A will have more margin of error than B.

On the other case if the deviation for population A is lower than the deviation for population B, then we will have less margin of error for population A than population B.

And the other possible case if both population have the same deviation, then both have equal margin of error.  

6 0
3 years ago
X + (-3) = -7<br> X=<br> Answer here<br> I
tatiyna

Answer:

x=-4

Step-by-step explanation:

x-3=-7

x=-7+3

x=-4

3 0
4 years ago
Read 2 more answers
Which pairs of figures are congruent? Which pairs are similar?
Naily [24]

Answer:

sorry if wrong

Step-by-step explanation:

The first with the triangles is similar

the second one with the circles is non

the third one with the squares is non

the forth one with the different shape is both,

hope this helps

7 0
3 years ago
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