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3 years ago

Which expression represents a negative integer?

Mathematics

2 answers:

olchik [2.2K]3 years ago

8 0

The answer is D to the question Because the result is -1

Alla [95]3 years ago

8 0

Answer:

Step-by-step explanation:

5 + (-6)

= 5 - 6

= -1.

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zavuch27 [327]

Answer:

r (100) = 10*p (10)

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4 0

3 years ago

Confused on what do do first . Can anyone help ?

kirza4 [7]

So solve for q

first factor q out of the summation $q \sum^{\inf}_{k=2} (\frac{2}{3})^k=8$

now, determine what the summation is
$\sum^{\inf}_{k=2} (\frac{2}{3})^k =?$

its been a while since ive done summations so i dont remember any tricks but that summation is essentially equal to
$\frac{2}{3} ^2 +\frac{2}{3}^3+\frac{2}{3}^4+\frac{2}{3}^5+...$

or factored to be something like this
$\frac{2}{3}^2 *(1+\frac{2}{3}+\frac{2}{3}^2+\frac{2}{3}^3+...)$
which i believe there's a formula for

regardless using a calculator, the summation turns out to be 4/3 i think

you should definitely double check this step

so replacing the summation for 4/3, the equation is now
q*(4/3) =8

pretty easy to solve from here
divide 4/3 to both sides to get q

any questions?

5 0

3 years ago

Help!! When taking a survey of the junior class, the following statistics were found. What percentage (rounded to the nearest pe

Gnesinka [82]

Answer:

30%

Step-by-step explanation:

In this question, we are to calculate the percentage of students who are female and do not play instruments.

We can first infer this from the table;

The number of females who do not play instruments = 64

The percentage of females who do not play instruments = number of females who do not play instruments/total number of students surveyed * 100%

That will be;

64/213 * 100% = 30.04 which is approximately 30%

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3 years ago