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2 years ago

Combine like terms and simplify the expression. 9x + 6 -3

Mathematics

2 answers:

faust18 [17]2 years ago

7 0

Answer:

9x+3

Step-by-step explanation:

The only thing you have to do is subtract 3 from 6!

stira [4]2 years ago

5 0

Answer:

9x+6

Step-by-step explanation:

6-3=3

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What are the focus and directrix of the parabola that is the graph of the function f(x)=x²?

Hitman42 [59]

Answer:

Step-by-step explanation:

Given

$y=x^2$

comparing it with standard equation $x^2=4ay$

so 4a=1

$a=\frac{1}{4}$

so Focus of parabola is (0,0)

directrix

y=-a

here $a=\frac{1}{4}$

$y=-\frac{1}{4}$

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2 years ago

Trudy bought 1 foot of fabric. If she cuts the fabric into 3-inch pieces, how many pieces will she have?

WINSTONCH [101]

Answer:

Trudy will have 4 pieces of the fabric.

Step-by-step explanation:

Since, 1 foot of the fabric = 12 inches

If Trudy cuts the fabric into pieces of 3 inch.

Number of pieces she will have = $\frac{\text{Total length of the fabric}}{\text{Length of one piece}}$

= $\frac{12}{3}$

= 4 pieces

Therefore, she will have 4 pieces of the fabric.

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2 years ago

Find an equation of a line that goes through the points (1,6) and (4, -2). Write your answer in the form y=mx + y.

zmey [24]

Answer:

The desired equation is y = (-8/3)x + 26/3.

Step-by-step explanation:

Moving from (1,6) to (4, -2) involves an increase of 3 in x and a decrease of 8 in y. Thus, the slope of the line thru these two points is m = rise / run = -8/3.

Using the slope-intercept form of the eq'n of a straight line and inserting the data given (slope = m = -8/3, x = 4, y = -2), we get:

y = mx + b => -2 = (-8/3)(4) + b, or -2 = -32/3 + b

Multiply all terms by 3 to clear out the fraction:

-6 = -32 + 3b.

Then 26 = 3b, and b = 26/3.

The desired equation is y = (-8/3)x + 26/3.

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2 years ago

Jane has 14 times as many blue beads as she does red. The combined number of blue beads and red beads is 675. How many blue bead

makkiz [27]

She has 630 blue beads and 45 red beads. Equation is x + 14x = 675

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3 years ago

Read 2 more answers

9(p-4)=-18 what does p equals ?

EleoNora [17]

Answer:

Step-by-step explanation:

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2 years ago