Simplify. 12 – (–2)(–4)

Answers

Answer 1

Answer: 12 - (-2) (-4)

-2 * -4 = ?
A negative times a negative equals a positive value.

-2*-4 = 8

12 - 8 = ?

12-8 = 4

Because 4+8 = 12

Final answer: 4

Answer 2

Answer: 12-(-2)(-4)
= 12-(2*4)
= 12- 8
= 4

The final answer is 4~

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Kendra is making a bracelet for herself and her friend she is also making a necklace. The necklace is 3 times the length of one bracelet. She can use at most 30 inches of string. What is the length of one bracelet? What is the length of one necklace?

Answers

You would probably need to divide. Inches
-------- = 30/3 = 10.

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Nine less than six times a number is -15

Answers

The equation for the given phrase is 6x-9=-15 and the solution for the obtained equation is -1.

The given phrase is "nine less than six times a number is -15."

Let the unknown number be x.

Here, six times a number = 6x

The product is less than 9, that is

6x-9

Nine less than six times a number is -15, so the equation is

6x-9=-15

Now, the solution is

6x=-15+9

6x=-6

x=-6/6

x=-1

Therefore, the equation for the given phrase is 6x-9=-15 and the solution for the obtained equation is -1.

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Hello!

6 - 9 × y = -15

When "less than" is used you switch the number before it the number after it. While it seems like it would be 9 -6, its actually 6-9

6 - 9 is -3, you can multiply 3 by 5, to get 15. So your answer would be 5

Hope this helps!

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Which is bigger, three fourth of 28 or two fourth of 28

Answers

3/4 of 28 is 21. 2/4 (the same as one half) of 28 is 14. So three-fourth's of 28 is bigger.

What are the similarities in the pythagorean theorem and the distance formula

Answers

Answer:

Short answer: They are essentially the same thing.

The distance formula is derived from the Pythagorean Theorem

We have distance formula:

$D = √((x_1 - x_2)^2 + (y_1 - y_2)^2)$

Pythagorean Theorem:

$a^2+b^2=c^2 \Rightarrow c=√(a^2+b^2)$

The shortest distance between two points if a line. If you draw a line in the cartesian plane both points will have an x-coordinate and y-coordinate. Note that it forms a right triangle! Therefore, the distance between those points is the hypotenuse.

We can have a point $a=(x_(1), y_(1))$ and point $b=(x_(2), y_(2))$

But once $a$ and $b$ can be positive or negative:

$c = √(a^2+b^2)= D = √((\pm a)^2+(\pm b)^2)$

Answer:

The Pythagorean theorem states that, for all 90-degree triangles, the relationship between the lengths of the sides is given by the formula a^2 + b^2 = c^2.

DISTANCE FORMULA

The study of geometry in a graphical environment is called co-ordinate geometry.

In co-ordinate geometry, the standard formula for calculating the distance between 2 points is called the distance formula.

Step-by-step explanation:

James has 6 stamps in his stamp collection. Roy has 12 stamps in his stamp collection. James adds 2 stamps to his stamp collection. After James adds these stamps, what is the ratio of the number of stamps in James's collection to the number of stamps in Roy’s collection? A. 1 : 2 B. 2 : 1 C. 3 : 2 D. 2 : 3

Answers

Answer:

Step-by-step explanation:

Using process of elimination we know that it cannot be a,b or c because after you add the 2 new stamps james collected the ratio is 8:12 which cannot be 1:2 because 8 is not half, can't be B because 8 is less than 12, Also cannot be C because 8 is less than 12

What are the factors between 30 and 50

Answers

Factors are all the numbers that divide into the given number.
The factors of 30 are: 1,2,3,5,6,10,15,20
The factors of 50 are: 1,2,5,10,25,50
So if you are find the common factors of both 30 and 50, identify what factors are the same: 1,2,5,10

Factors of 30:1,2,3,5,6,10,15,20,30
Factors of 50:1,2,5,10,25,50
Common factors of 30 and 50 are:1,2,5,10

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