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2 years ago

HELP THIS IS SO CONFUSING I ONLY GET DECIMALS

Mathematics

2 answers:

kykrilka [37]2 years ago

4 0

Answer:

2, only whole numbers are integers

Step-by-step explanation:

An integer is colloquially defined as a number that can be written without a fractional component. For example, 21, 4, 0, and −2048 are integers, while 9.75, 512, and √2 are not.

I hope this helps you :)

lana66690 [7]2 years ago

3 0

Answer:

The answer is 2

Step-by-step explanation:

Integers are whole numbers or numbers that are not decimals or fractions example 1 2 3 4 5 6 7 8 9 etc..

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The average of 10 numbers is −10. If the sum of 6 of them is 100, what is the average of the other 4? 20pts

Allushta [10]

Answer:

The sum of the other 4 numbers is $-200$

Step-by-step explanation:

Let

x------> the sum of 6 numbers

y-----> the sum of the other 4 numbers

we know that

$\frac{x+y}{10}=-10$ -----> equation A

$x=100$

substitute the value of x in the equation A

$\frac{100+y}{10}=-10$

$\frac{100}{10}+\frac{y}{10}=-10$

$10+\frac{y}{10}=-10$

$\frac{y}{10}=-10-10$

$\frac{y}{10}=-20$

$y=-20*10=-200$

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3 years ago

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What could you multiply by to clear the fractions? Solve for x

likoan [24]

Answer:

x=91/36

Step-by-step explanation:

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2 years ago

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Terrence and Lee were selling magazines for a charity. In the first week, Terrance sold 30% more than Lee. In the

Rus_ich [418]

Lee sold 40 magazines

Step-by-step explanation:

Equation Model:

Let m be the number of magazines Lee sold.

150%-130%=20%, so if 0.2m=8 then m=40

Let me show another way: In the image above 20% is equal to 8 so if we use 8 and 20% and try to reach our way up to 100% (How much Lee sold in total) then we will get our answer.

20%=8

40%=16

60%=24

80%=32

100%=40

Therefore Lee sold 40 magazines.

Hope that makes sense! If you have any more questions or need further clarification then please comment down below or message me! Good luck!

4 0

2 years ago

What are the roots of the equation 16x2 + 40x + 27 = 0 in simplest a + bi form?

bezimeni [28]

9514 1404 393

Answer:

-5/4 +i(√2)/4 and -5/4 -i(√2)/4

Step-by-step explanation:

I find simplest form to be easier to get to if the leading coefficient is 1. Dividing by 16, we have ...

x^2 +5/2x +27/16 = 0

Completing the square by adding and subtracting the square of half the x-coefficient, we get ...

(x^2 +5/2x +25/16) +27/16 -25/16 = 0

(x +5/4)^2 = 2/16

Subtracting 2/16, taking the square root, and subtracting 5/4 gives ...

x +5/4 = ±√(-2/16)

x = -5/4 ±i(√2)/4

The roots are -5/4 +i(√2)/4 and -5/4 -i(√2)/4.

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2 years ago

26.59 x 2.5 What does this equal..?

vredina [299]

Answer:

66.475

Step-by-step explanation:

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