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ra1l [238]
3 years ago
6

Please help asap 25 points, + brainliest to right/best answer

Mathematics
1 answer:
dezoksy [38]3 years ago
4 0

Answer:

Quad term = -18x^2

linear term = -21x

Constant = -6

Step-by-step explanation:

f(x) = (3x+2) (-6x-3)

FOIL

f(x) =3x*(-6x) +3x(-3) +2(-6x) -3(2)

    = -18x^2 -9x-12x -6

    =-18x^2 -21x-6

This is a quadratic

Quad term = -18x^2

linear term = -21x

Constant = -6

You might be interested in
PLS HELP (algebra 1)<br><br><br> solve -6 + 8(16 - 19z)
maria [59]

Answer:

122-152z

Step-by-step explanation:

-6+ 8(16 - 19z)

= -6 + 128 - 152z

= 122 - 152z

I hope this helps!

4 0
3 years ago
An appliance dealer sold 40 tv sets during a special sale. Some of the sets were black-and - white models each selling at $119.
Harman [31]

Answer: 28 color sets were sold

Step-by-step explanation:

Let x represent the number of black-and - white models that were sold.

Let y represent the number of color sets that were sold.

An appliance dealer sold 40 tv sets during a special sale. Some of the sets were black-and - white models while the rest were color sets.. It means that

x + y = 40

Black-and - white models each sold for $119. Color sets sold at $319each. The sale brought in $10,360. It means that

119x + 319y = 10360 - - - - - -- - - - - -1

Substituting x = 40 - y into equation 1, it becomes

119(40 - y) + 319y = 10360

4760 - 119y + 319y = 10360

- 119y + 319y = 10360 - 4760

200y = 5600

y = 5600/200

y = 28

8 0
4 years ago
Find the first three common multiplies<br> 6 and 8​
Alexus [3.1K]

Answer:

24,48,72

Step-by-step explanation:

multiples of 6- 6,12,18,24,30,36,42,48,54,60,66,72

multiples of 8- 8,16,24,32,40,48,56,64,74,80

7 0
3 years ago
Kirima is building a wall for her snow fort. She first makes a firm base out of snow, and then piles uniformly sized blocks of s
makkiz [27]

Answer:

The correct options are;

0.4 represents the height of each block

0.6 represents the height of the base

Step-by-step explanation:

The given information are;

The activity Kirima is engaged in = Building a wall

The process by which she is building the wall includes

1) Construction of a base on the floor

2) Piling blocks of uniform height to form the wall

3) Estimating the height of the wall she is constructing with the expression 0.4·x + 0.6 where the constants which are 0.4 and 0.6 are in meters;

From her procedure, we have the constants, which are the values that do not change as follows;

1) The firm base

2) The uniformly sized blocks

Of the two constants, the one that consists of multiple items is the uniform sized blocks as they are laid in brick pattern

There is only one firm base

Therefore, the constant that has a variable is the uniform sized blocks

Which gives in the expression 0.4·x + 0.6, we have;

0.4 = The dimension of the uniform sized blocks

∴ 0.6 = The dimension of the firm base.

7 0
3 years ago
Consider a circle centered at C(-2,-4). If the point P(1,-1) lies on the circle, then which of the following points also lies on
Aliun [14]

Answer:

Consider a circle centered at C(-2,-4). If the point P(1,-1) lies on the circle, then which of the following points also lies on the circle?

<h3>A. (-2, -√18)</h3>

B. (-2+√18, -4)

C. (√18, -4)

D. (-2, 4+√18)

Step-by-step explanation:

  • If the distance is greater than the radius, the point lies outside. If it's equal to the radius, the point lies on the circle. And if it's less than the radius, you guessed it right, the point will lie inside the circle.

hope it's help you

7 0
3 years ago
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