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3 years ago

−4(x+3)+3(y+1) this needs to be simplified

Mathematics

1 answer:

olga nikolaevna [1]3 years ago

5 0

First, distribute the numbers on the outside into their respective binomials.

-4(x) - 4(3) + 3(y) + 3(1)

-4x - 12 + 3y + 3

Now, combine like terms:

-4x + 3y - 9

Once there is no more simplifying to be done, you are left with your final answer, the above equation.

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Three bottles of different sizes contain different compositions of red and blue candy. The largest bottle contains eight red and

choli [55]

Answer:

0.3667

0.2727

Step-by-step explanation:

P (Blue) = P (large and Blue) + P (mid and Blue) + P (small and Blue)

P (Blue) = (0.5 * 0.2) + (0.4*7 / 12) + (0.1* 1 / 3)

P (Blue) = 0.3667

Conditional Probability:

P (Large / Blue ) = P (large and Blue) / P ( Blue)

P (Large / Blue ) = 0.5*0.2 / 0.36667

P (Large / Blue ) = 0.2727

3 0

4 years ago

Can someone help me with this? Plz.<br><br> Solve the quadratic equation 2x^2-4x-1=0

Mila [183]

You have to use the quadratic formula to solve this. The zeros of this quadratic are 2 + sqrt2/2 and 2 - sqrt2/2, which in "real" numbers is 1.707 and .2928

6 0

3 years ago

The cost for operating the childminding room is $350 per day. In order to cover the daily operating costs how many childminding

Anna [14]

At least 42 children.

7 0

3 years ago

Read 2 more answers

I need to find the slope and y-intercept of this equation. I also need to convert it to slope intercept form. The equation is 3x

USPshnik [31]

Answer:

slope=-1/2

y intercept =-2

Step-by-step explanation:

what u have to do is get y on 1 side and 3x on the other, so take away 3x from both sides which leaves you with 6y = -3x -12. then divide both sides by 6 to get y on it's own so you have y= -1/2x -2. this formula is y=mx+c the m is always the slope and the c is always the y intercept

4 0

4 years ago

The quantity is called the pooled variance estimate of the common variance of two unknown but equal population variances. It is

lozanna [386]

Answer:

sample variances

Step-by-step explanation:

The pooled variance method is used to estimate the variance of several different population with different means, but are assume to have the same variance.

The weights represent the sample variances.

So the correct answer is

sample variances

5 0

3 years ago