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mariarad [96]
3 years ago
10

What is 16 times 4? help

Mathematics
2 answers:
Hatshy [7]3 years ago
8 0

Answer:

64

Step-by-step explanation:

rewona [7]3 years ago
5 0

Answer:

64

Step-by-step explanation:

multiplication lol

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What is the decision regarding the differences between the observed and expected frequencies if the critical value of the chi-sq
ra1l [238]

Answer:

Accept the null hypothesis if it is two tailed test.

Step-by-step explanation:

The null hypotheses can only be accepted if it is a two tailed test and calculated chi square must be less than the critical value of chi square.

Then the difference between the  the observed and expected frequencies will be zero.

where

H0 : σ²-σ²= 0             Ha: σ²-σ²≠0

For this the critical region would be greater than the calculated value of chi square. If so we will accept the null hypothesis and reject the alternative hypothesis.

4 0
3 years ago
Evaluate 1 whole number 2/5 + 3/4 and give your answer to one significant figure​
ehidna [41]

Answer:

The answer is

<h3>2 to 1 significant figure</h3>

Step-by-step explanation:

1 \frac{2}{5}  +  \frac{3}{4}

To solve the question first convert the mixed fraction to an improper fraction

That's

1 \frac{2}{5}  =  \frac{7}{5}

So we have

\frac{7}{5}  +  \frac{3}{4}

Find the LCM of the fractions

The LCM of 5 and 4 is 20

That's

\frac{7}{5}  +  \frac{3}{4}  =  \frac{7(4) + 3(5)}{20}  =  \frac{28 + 15}{20}

=  \frac{43}{20}

= 2.15

We have the final answer as

<h3>2 to 1 significant figure</h3>

Hope this helps you

3 0
3 years ago
Help Please
Charra [1.4K]
4(2x+3)=2(3x+4) \\&#10;8x+12=6x+8\\&#10;2x=-4\\&#10;x=-2 \Rightarrow A
3 0
3 years ago
Read 2 more answers
(x^3- 2x^2 - 1) /( x - 1)
lesya [120]

Answer:

Quotient= x^2 + x + 1

Remainder= 0

Step-by-step explanation:

4 0
3 years ago
Claire can run 400 meters in 45 seconds. What is her rate in meters per<br> second?
horsena [70]

Answer:

8.9 meters per second I think.

Step-by-step explanation:

400 divided by 45

4 0
3 years ago
Read 2 more answers
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