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2 years ago

The LCM of 18 30 and 42

Mathematics

1 answer:

Marianna [84]2 years ago

4 0

Answer:

The least common multiple of 18, 30, 42 and 48 is 5040.

Have a great day!

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It's a little blurry sorry please help

Ghella [55]

Answer:

It's X=2

Working out:

(left one):

2(x+3)=10

2x+6=10

2x=10-6

2x=4

x=2

Working out:

(right one):

2(x+3) must be all divided by 2 so it will be x+3 and same for 10, it will be 5 so...

x+3=5

x=5-3

x=2

Hope it helps ^---^

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2 years ago

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Use the slope intercept form to write an equation

postnew [5]

Given:

Slope = -3/5

y - intercept = (0 , 5)

The answer is y = -3/5 + 5

Note:

The x = 0 and the y = 5 . We are looking for y- intercept so we use 5 instead of 0.

Since the formula for slope intercept form is y = mx + b, we use option number 4 as our equation. for option number 1, it did not include the negative sign that was given in the slope so we opt to choose option 1.

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3 years ago

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Answer:

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2 years ago

Solve the system of equations. 10x+y=−20 y=2x2−4x−16 ( , ) and ( , )

Sladkaya [172]

I will go about solving this using the elimination method.

First, convert the equations.

10x + y = -20
4x + y = -12

Second, find the easiest variable to get rid of and get rid of it! (In this case, y) We will subtract to get rid of y.

6x = -8

Third, you want to solve the equation.

6x = -8 (divide by 6)
x = $-1 \frac{1}{3}$

Fourth, solve for y by inserting the answer for x into one of the equations.

10( $-1 \frac{1}{3}$ ) + y = -20
$-13 \frac{1}{3}$ + y = -20 (subtract $-13 \frac{1}{3}$ )
y = $-6 \frac{2}{3}$

The solution for this system of equations is ( $-1 \frac{1}{3}$ , $-6 \frac{2}{3}$ ).

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3 years ago

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3,-2 on a graph what i it

emmasim [6.3K]

Answer:

If you start at (0,0), go right 3 times and down 2 times.

Step-by-step explanation:

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2 years ago

The LCM of 18 30 and 42​

The LCM of 18 30 and 42