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Gennadij [26K]
3 years ago
9

(2x+6)(5x-1) Foil method

Mathematics
1 answer:
WINSTONCH [101]3 years ago
8 0
Multiple 2x * 5x =10x^2
Multiple 2x * -1 = -2x
Multiple 6 * 5x = 30x
Multiple 6 * -1 = -6
Add 30x + (-2x) = -28x
10x^2 + 28x -6 is the final answer
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Find a ⋅ b.<br><br> a = 9i + 5j, b = 4i + 3j
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-36 + 47ji + 15j^2


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2 years ago
Find the measure of ∠ADB<br><br> ∠<br><br> A<br><br> D<br><br> B<br><br> if ∠ADC = 82°
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8 0
3 years ago
Dolly gave Molly 6/8 packs of sweets. Molly had 18 packs of sweets. How many packs of sweets did Dolly start out with?
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6 0
3 years ago
Read 2 more answers
6) John purchased 120 shares of Walmart stock at $58.02 each. He sold the stock for $120.98.
antiseptic1488 [7]

Answer:

John lost $6841.42.

Step-by-step explanation:

Let's find out how much John paid for the stock he bought.  Each share cost $58.02. He bought 120 shares.  Multiply the price by the number of shares.

58.02 x 120 = 6962.40

He sold the stock for $120.98 -- a huge loss!  (We are not told that the $120.98 is the selling price of one share, so I'm assuming that's what John sold all his shares for.)

Find the difference to see what his loss was.

$6962.40 - $120.98 = $6841.42 LOST!

8 0
3 years ago
Write the linear equation that gives the rule for this table.
Zinaida [17]

Answer:

f(x) = -7x + 1

Step-by-step explanation:

Slope intercept form is

y = mx + b

m is slope

b is y-intercept

--------------------------

y decreases by 7 for each increase of 1 in x

slope = -7

to find "b" plug in one of the points and m = -7

using point (3, -20)

y = mx + b

-20 = -7(3) + b

-20 = -21 + b

b = 1

The equation is

f(x) = -7x + 1

3 0
3 years ago
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