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Alina [70]
3 years ago
8

Can someone please answer this question please answer it correctly and please show work please help me I need it

Mathematics
2 answers:
WINSTONCH [101]3 years ago
3 0

Answer:

A

Step-by-step explanation:

-19-11 = -19 + (-11)

Kaylis [27]3 years ago
3 0

Answer:

A

Step-by-step explanation:

Well - 19-11 is -30

So you have to work out the equations and find which one is equal to - 30

-19 + (-11) = - 30

-11 +(19)=8

11-19 = - 8

And

19+11 =30.

So A is the equivalent.

(-19 and - 11 added together is - 30)

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timurjin [86]

Answer:

Step-by-step explanation:

its really simple

just use your brain

4/4 makes 1 whole and 12-11=1 we need to convert the fraction into a whole number. So what over 4 makes 11 wholes? just do 4x11=44 and 44/4=11 and 12-11=1 just do the same for the other ones

3 0
3 years ago
A researcher developing scanners to search for hidden weapons at airports has failed to conclude that a new scanner is significa
White raven [17]

Answer:

Yes, he would take the same decision.

Step-by-step explanation:

Consequently, because the decision is taken on the test based on the use of alpha equals 0.025, the p-value of the test must have been greater than the given amount of importance that is 0.025 since the test is not applicable to us. So, p > 0.025.

If we know that p > 0.025, that would not mean p > 0.1 as well, because we do not know with the details given he had to make the same decision for 0.1 degree of meaning.

As for the 0.01 significance point, we 're sure p > 0.01 is greater than 0.025, so the test does not matter.

5 0
3 years ago
Mr. Jacobs has 5 math classes. He teaches a total of 30 boys and 45 girls.
Katyanochek1 [597]

Answer:

30 :75

Step-by-step explanation:

8 0
3 years ago
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padilas [110]
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4 0
3 years ago
Largest odd number by using all four (4) cards <br><br> 5,3,2,6
dlinn [17]

Answer:

6523

Step-by-step explanation:

I'm assuming that the question is asking us to rearrange the numbers 5,3,2,6 to obtain the largest possible value that is odd.

In order for a number to have the largest value, the first digit of the number must he the largest possible value. In this case, we see that the largest value is 6, hence the number must begin with 6 i.e 6XXX

We can do the same for the next digit in the hundreds position by picking the largest possible remaining number. In this case, it is the number 5. So the number will look something like this: 65XX

We see that the only  remaining numbers are 3 and 2.

Recall that for a number to be odd, the digit on the ones place must also be odd. Of the remaining numbers, only 3 is odd, hence the last number must be 3. i.e 65X3

Hence the last remaining number is 2

6523

7 0
3 years ago
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