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chubhunter [2.5K]
3 years ago
11

Multiply (3x – 1)(5x – 9) Show work Please

Mathematics
2 answers:
Virty [35]3 years ago
7 0

Answer:

15x² - 32x + 9

Step-by-step explanation:

(3x – 1)(5x – 9)         FOIL both equations

15x² - 27x - 5x + 9   Combine like terms

15x² - 32x + 9

If this answer is correct, please make me Brainliest!

Murljashka [212]3 years ago
6 0

Answer:

15x^2-32x+9

Step-by-step explanation:

(3x – 1)(5x – 9)

FOIL

first: 3x*5x= 15x^2

outer: 3x(-9) = -27x

inner: -1(5x) = -5x

last: -1(-9) = 9

Add them together

15x^2 -27x-5x +9

Combine terms

15x^2-32x+9

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How does the graph of y = 3^–x compare to the graph of y = (1/3)^x?
oee [108]

Answer:

A. The graphs are the same.

Step-by-step explanation:

4 0
3 years ago
The weekly ad for a local grocery store advertises a 5 pound bag of organic apples for $13.95. Round each rate to the nearest hu
stich3 [128]

Answer:

Step-by-step explanation:

Given that in the weekly ad 5 pound bag of organic apples will cost 13.95 dollars

To find unit rate

Unit rate can be found in two ways either cost of 1 apple or no of apples for 1 dollars

I part:

5 apples = 13.95 dollars

1 apple = 13.95/5 (since direct variation)

Unit rate for one apple= 2.79 dollars

Part II:

13.95 dollars = 1 apple

1 dollar = 1/13.95 = 0.071

=0.07

But normally since apples are countable as 1,2 ... we use the first type of rate only unit rate per apple

6 0
3 years ago
A farmer has a square garden that has an area of 100 feet squared. He needs to
stellarik [79]

Answer:

40ft

Step-by-step explanation:

The shape of the garden (square) tells you that both the length and the width of the garden are the same measure.

If the area is 100sqft, you can determine that side * side = 100. To find this answer, you can take the square root of 100. side=10, because 10 * 10= 100 (the area).

Now, we know that each side measures 10 feet. Try drawing and labeling a picture to help you visualize the garden. Next, label each side of the square garden 10ft.  To find the feet of fencing is needed to enclose the garden,

We need to find the perimeter, so we can calculate

10ft * 4 sides = 40 feet of fencing.

5 0
3 years ago
What is the inverse of {(2, 4), (-3, 5), (7, -1), (9, 0)}?
jok3333 [9.3K]

Answer:

(4,2),(5,−3),(−1,7),(0,9)

Step-by-step explanation:

5 0
3 years ago
I need help rn please​
nirvana33 [79]

Hello!

\large\boxed{\text{ slope = -3}}

Use the slope formula to solve for the slope of the line (m):

m = \frac{y^{2} -y^{1} }{x^{2} -x^{1} }

We can plug in the points (0, 4) and (1, 1) to solve:

m = \frac{1-4}{1-0}= \frac{-3}{1}  = -3

Therefore, the slope of the line is -3.

8 0
3 years ago
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