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2 years ago

What is the LCM of 10 and 15?

Mathematics

2 answers:

dexar [7]2 years ago

8 0

Step-by-step explanation:

lana [24]2 years ago

8 0

Answer:

Step-by-step explanation:

First, you must find the prime factorization of the two numbers:

10 = 2 x 5

15 = 3 x 5

Now you just multiply their factors, but since 5 is a factor of both numbers you only need to multiply by 5 once.

2 x 3 x 5 = 30

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The coordinates of the endpoints of ST are (-2,3) and (3, y) respectively supposethe distance between s and t us 13 units.What v

igor_vitrenko [27]

Answer:

The values of y would be -9 and 15

Step-by-step explanation:

we know that

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

we have

$d=13\ units$

S(-2,3) and T(3,y)

substitute the given values in the formula and solve for y

$13=\sqrt{(y-3)^{2}+(3+2)^{2}}$

$13=\sqrt{(y-3)^{2}+25}$

squared both sides

$169=(y-3)^{2}+25$

$(y-3)^{2}=169-25$

$(y-3)^{2}=144$

take square root both sides

$y-3=(+/-)12$

$y=3(+/-)12$

$y=3(+)12=15$

$y=3(-)12=-9$

therefore

The values of y would be -9 and 15

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3 years ago

Write an equation of the line that passes through (4, −6) and is parallel to the line y=−3x−9.

Troyanec [42]

Answer:

Step-by-step explanation:

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6 0

3 years ago

Can you help me solve for x on this equation 2x+8=3x-4

Paul [167]

Answer: 12

Step-by-step explanation:

2x + 8 = 3x - 4

In order to solve for x, we must isolate x. We can do this by moving all of the numbers with "x" in it to the left side of the equal side, and move everything else to the right of it!

Let's start off by subtracting 8 from both sides. Remember : what you do to one side, you must do it to the other.

2x + 8 - 8 = 3x - 4 - 8

Simplify!

2x = 3x - 12

Now, let's subtract 3x from both sides.

2x - 3x = 3x - 12 - 3x

Simplify!

-x = -12

Divide both sides by -1.

-x ÷ -1 = -12 ÷ -1

Simplify.

x = 12

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Answer:

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Step-by-step explanation:

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