MATHEMATICS HIGH SCHOOL

Can the square of an integer be a negative number

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Answer 1
Answer:

If you square an integer, there is no way to get a negative as a result.

Let's look at -5².

-5² means -5 × -5 or 25.

6² means 6 × 6 or 36.

So, there is no way to end up with a negative.
Answer 2
Answer: no it can't
minus on minus gives plus

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How do you do the work for

$43 dinner; 18% gratuity

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The total cost of the dinner with gratuity is $50.74Add the gratuity to the regular price.  Method 2: Add the percent of gratuity to 100%. 100% + 18% = 118% The total cost is 118% of the bill.  Method 1: Add gratuity to the regular price. Find the gratuity. 
Start by calculating just the gratuity by itself. We know its 18% of $43. Another way to write 18% is 0.18 so:
G=$43 * 0.18
G=$7.74

So just the gratuity by itself is $7.74. If you want to know the entire bill you can add up the meal and the gratutiy like so

T= Meal + Gratuity
T = 43 + $7.74 = $50.74

Another way to do it is to recognize that you are paying for 100% of the meal and then paying antoher 18% AGAIN for a total of 118% or 1.18. If you do this you get the same answer:

$43 * 1.18 = $50.74

The equation of a line is y = -3x - 2. What are the slope and the y-intercept of the line? slope = -3 and y-intercept = 2 slope = 3 and y-intercept = -2 slope = 3 and y-intercept = 2 slope = -3 and y-intercept = -2​

Answers

Answer:

slope -3 and y-intercept -2

Step-by-step explanation:

The slope:

the general linear function is y=mx+n where m is the slope

so slope = -3

y intercept is when x=0

y=-3*0-2

y=-2  

3 3\10 divided by 1 4\7

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Answer:

First, let's convert the mixed numbers into improper fractions:

3 3/10 = (3 * 10 + 3)/10 = 33/10

1 4/7 = (1 * 7 + 4)/7 = 11/7

Now, we can divide the two fractions:

33/10 ÷ 11/7

To divide fractions, we need to multiply the first fraction by the reciprocal of the second fraction. The reciprocal of 11/7 is 7/11.

So, the division becomes:

33/10 * 7/11

Next, multiply the numerators (top numbers) together and the denominators (bottom numbers) together:

(33 * 7) / (10 * 11) = 231/110

Finally, simplify the fraction, if possible. In this case, we can divide both the numerator and denominator by their greatest common divisor, which is 11:

231/110 = (231 ÷ 11)/(110 ÷ 11) = 21/10

Therefore, 3 3/10 divided by 1 4/7 is equal to 21/10.

Omar found 56 cents under a couch cushion! He lost half through a hole in his pocket. How much did most lose?

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