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1 year ago

PLEADSE HELP ILL GIVE BARINLIESDT

Mathematics

1 answer:

Vlada [557]1 year ago

7 0

Answer:

non-proportional's with positive y intercept are:

y=2.5x-7

y=-5x-8

proportional's with positive y intercept are:

y=1.2x

y=-10x

y=7x/8+1

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2. Is the data set "dollars of sales per week” quantitative or qualitative?

Ipatiy [6.2K]

Answer:

this would be quantitative.

Step-by-step explanation:

because its an amount like dollars of sales per week so it would be quantitative or numbers

4 0

2 years ago

Use completing the square to solve for x in the equation (x minus 12) (x + 4) = 9. x = –1 or 15 x = 1 or 7 x = 4 plus-or-minus S

Scrat [10]

Answer:

x = 4 ± $\sqrt{73}$

Step-by-step explanation:

Given

(x - 12)(x + 4) = 9 ← expand the left side using FOIL

x² - 8x - 48 = 9 ( ad 48 to both sides )

x² - 8x = 57

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(- 4)x + 16 = 57 + 16

(x - 4)² = 73 ( take the square root of both sides )

x - 4 = ± $\sqrt{73}$ ( add 4 to both sides )

x = 4 ± $\sqrt{73}$

4 0

2 years ago

Read 2 more answers

Simplify. 8(12 - p) 20 - (8+p) 96 - 8p 96 - p 96p

Romashka [77]

So the right answer is of option C

Look at the attached picture

Hope it will help u ..

6 0

2 years ago

What type of association is shown in this scatter plot?

weeeeeb [17]

D strong and positive

7 0

2 years ago

Read 2 more answers

Mark knows that he will need to buy a new car in 5 years. The car will cost $15,000 by then. How much should he invest now at 8%

exis [7]

X - initial investment
8% - annual rate

x·=15,000,

so x = 10094.54

ANSWER: $10,094.57

3 0

2 years ago