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3 years ago

14

What is the work for 6.176- 2.688

1 answer:

geniusboy [140]3 years ago

4 0

Answer:

The answer is 3.488

Step-by-step explanation:

Lets start from right to left.

we cant do 6-8 so we borrow from the place to the right which turns the 7 into a 6 and the 6 into a 16. 16 minus 8 is 8. Next 6-8 again (The seven is no more.) We already know we cant do dat soooo we borrow from the tenths place. The 1 is now a 0 and the 6 is now a 16. 16 minus 8 is 8. Next is 0-6 (No more 1 because we borrowed from the tenths place.) we cant do 0-6 so we have to borrow from the ones place. Make the 6 a 5 and make the 0 a ten. 10-6 is 4. So far we got 488 but make sure to add a decimal point in front of it. Always bring down the decimal point. so its now (.488) lastly 5- 2 is 3 so the answer is 3.488

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Solve x2 + 4x + 1 = 0.

docker41 [41]

Answer: Option C ( $x=-2$ ± $\sqrt{3}$ )

Step-by-step explanation:

1. To solve this problem you must use the Quadratic formula, which is used to solve quadratic equation. This formula is shown below:

$x=\frac{-b+/-\sqrt{b^{2}-4ac}}{2a}$

2. Substitute values. Then, you have:

$a=1\\b=4\\c=1$

$x=\frac{-4+/-\sqrt{4^{2}-4(1)(1)}}{2(1)}$

3. Then,you obtain the following result:

$x=-2$ ± $\sqrt{3}$

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4 years ago

PLSSS HELP!! For the given ordered pairs, write a function rule relating x and y. (1,4), (2,9), (3,16), (4,25)

LenKa [72]

Answer:

y=(x+1)^2

Step-by-step explanation:

we have the following

$x=1;y=4\\\\x=2;y=9\\\\x=3;y=16\\\\x=4;y=25$

the values of y are squares so we can write

$x=1;y=2^{2} \\\\x=2;y=3^2\\\\x=3;y=4^2\\\\x=4;y=5^2$

so as you can see when

$x=n;y=(n+1)^2$

so our relation is

$y=(x+1)^2$

3 0

3 years ago

Decimal representation of rational number 8by 27 is what??

irakobra [83]

Answer:

8/27 is represented in decimal as 0.2962962963

4 0

3 years ago

Read 2 more answers

Okay so I'm working on this assignment and I see this question and I'm very confused, aren't the first 2 answers the same and th

Serjik [45]

Answer:

actually no.

Step-by-step explanation:

I assume you know the 4 inequalites:

The 4 Inequalities

Symbol Words Example

> greater than x+3 > 2

< less than 7x < 28

≥ greater than or equal to 5 ≥ x−1

≤ less than or equal to 2y+1 ≤ 7

The "open circle" represents less than or greater than, and the "closed circle" represents greater than or equal to or less than or equal to.

<em><u>Hope it helps! Have a great day! :) let me know if it helped</u></em>

5 0

3 years ago

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Simplify 2/5+2/5-7/15<br>

almond37 [142]

Answer:

1/3

Step-by-step explanation:

2/5+2/5-7/15

=2+2/5 -7/15

=4/5-7/15

=4×3-7/15

=12-7/15

=5/15

=1/3 Ans.

6 0

3 years ago

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