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3 years ago

-42.8451 Round the result to the nearest tenth and then to the nearest hundredth

Mathematics

1 answer:

DerKrebs [107]3 years ago

6 0

Answer:

Tenth:-42.8

Hundredth: -42.85

To explain:

To the right of the decimal point every name of the place ends with -th.

If a number is bigger than 5 you round the number left to it by 1

If it's 4 or smaller you don't do anything.

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18-23(if you want) I don’t understand what do, please help!

Tamiku [17]

Answer:

-22

Step-by-step explanation:

1.Factor out the negative sign.

2.Calculate (add for question 18)

3. Add the negative sign back.

Hope this helps :)

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3 years ago

Read 2 more answers

Fide the area of 7.7m×2.m

ivanzaharov [21]

15.4m Square because That is what I got when I times those two together

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3 years ago

What is the slope-intercept equation of the line below? A.y=2x+3 B.y=-2x-3 C.y=2x-3 D.y=-2x+3

PtichkaEL [24]

Answer:

Step-by-step explanation:

First, lets find the y-intercept. The y-intercept where the line passes through the y-axis. In this case, it is -3.

Now, to find the slope, lets find the next non-decimal point(that way it is easier on us). That would be (1,-1). Now, to get to this point from the y-intercept, we have to go left 1 unit, and up 2 units. So, the change in y over change in x = 2/1 or 2. Now, using this information, we can form the equation:

y = 2x + -3. or y = 2x - 3.

7 0

3 years ago

What is 0.015625 as a fraction

Vitek1552 [10]

The fraction of 0.015625 is 1/64 1
---
64

3 0

3 years ago

In order to determine an interval for the mean of a population with unknown standard deviation, a sample of 24 items is selected

nikitadnepr [17]

If the sample size of population is 24 then the number of degrees of freedom for reading the t value is 23 which is option c.

Given sample size of 24,mean 23.

We have to determine the number of degrees of freedom which will be used to find the critical values of t.

Degree of freedom is the number of values in the final calculation of a statistic that are free to vary means that can change their values in the formula of calculating t.

t=(X-μ)/s/ $\sqrt{n}$

where X is sample mean ,

μ is hypothsised population mean

s is sample standard deviation

n is sample size.

Degree of freedom=n-1

In this question n is 24 so the degree of freedom =24-1=23.

Hence the number of degrees of freedom for reading the t value is 23.

Learn more about degree of freedom at brainly.com/question/17305237

#SPJ4

5 0

2 years ago