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guapka [62]
3 years ago
5

Find the equation of the line through point (−1,2) ( − 1 , 2 ) and perpendicular to +3=3 x + 3 y = 3 . Use a forward slash (i.e.

"/") for fractions (e.g. 1/2 for 12 1 2 ).
Mathematics
1 answer:
Lorico [155]3 years ago
7 0

Answer:

y = x + 3

Step-by-step explanation:

I'm assuming that you are asking for a line perpendicular to

3x + 3y = 3 and going through (-1, 2)

first find the slope of the line

3y = -3x + 3

y = -1x + 1, the slope is -1 so the perpendicular slope is 1

y = mx + b

2 = 1(-1) + b

3 = b

y = x + 3

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Find the quotient 12÷3/8
bearhunter [10]

Answer:

32

Step-by-step explanation:

To make it a fraction form answer, you multiply the whole number by the denominator and make the result the new numerator. The old numerator becomes the new denominator

 

Thus, the answer to 12 divided by 3/8 in fraction form is:

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To make the answer to 12 divided by 3/8 in decimal form, you simply divide the numerator by the denominator from the fraction answer above:

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The answer is rounded to the nearest two decimal points if necessary.

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Help with 19??????????
Luba_88 [7]

Adding Integers

If the numbers that you are adding have the same sign, then add the numbers and keep the sign.

Example:

-5 + (-6) = -11

Adding Numbers with Different Signs

If the numbers that you are adding have different (opposite) signs, then SUBTRACT the numbers and take the sign of the number with the largest absolute value.

Examples:

-6 + 5= -1

12 + (-4) = 8

Subtracting Integers

When subtracting integers, I use one main rule and that is to rewrite the subtracting problem as an addition problem. Then use the addition rules.

When you subtract, you are really adding the opposite, so I use theKeep-Change-Change rule.

The Keep-Change-Change rule means:

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Change the sign of the second number to its opposite.

Example:

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The great thing about multiplying and dividing integers is that there is two rules and they apply to both multiplication and division!

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If the signs are different, then then answer is negative.

6 0
3 years ago
The surface area of a cube is 27^2. Calculate the length of the sides of the cube
Anon25 [30]

Answer:

Step-by-step explanation:

Do you mean 27 units² ?

A cube has six congruent, square faces. Area of one face = (27/6) units²

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= √9/√2

= 3/√2

= 3√2/2 units

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3 years ago
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