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Schach [20]
3 years ago
12

How to factorise the difference of perfect squares. for the g on the top and j on the top

Mathematics
1 answer:
Fed [463]3 years ago
7 0

Answer:

see explanation

Step-by-step explanation:

A difference of two squares is factored as

a² - b² = (a - b)(a + b)

(g)

1 - 81y²

= 1² - (9y)²

= (1 - 9y)(1 + 9y)

(j)

64x² - 25y²

= (8x)² - (5y)²

= (8x - 5y)(8x + 5y)

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Margarite owns a boutique. She sells her jewelry at a 30% markup. If she buys a bracelet for $22, what would she sell it for aft
olga nikolaevna [1]

Answer:

selling price is $26.4

Step-by-step explanation:

Here, we want to apply the markup percentage so as to get the price of the jewelry

mathematically, we have the selling price as;

$22 + (30% of $22)

= $22 + 4.4

= $26.4

4 0
3 years ago
I need help with this
Sloan [31]

Answer:

slope = - \frac{4}{3} , point on line = (4, - 3 )

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b ) a point on the line

y + 3 = - \frac{4}{3} (x - 4) ← is in point- slope form

with slope m = - \frac{4}{3} and point on line (a, b ) = (4, - 3 )

3 0
2 years ago
How to find the slope?
stealth61 [152]

Answer:y2-y1 divided by x2 minus x1

Step-by-step explanation:

6 0
3 years ago
I need help on this one please
Korolek [52]

Answer:

it is D

Step-by-step explanation:

just reflect by y=-1 its easy

5 0
3 years ago
Plzzzz help !!!! I need this done
STatiana [176]

Answer:

A) x + 2 ≤ 3

Step-by-step explanation:

To solve for this, you subtract 2 from both sides leaving you with:

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3 0
3 years ago
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