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Kitty [74]
2 years ago
5

Which identity could be used to rewrite the expression x9-8?

Mathematics
1 answer:
RideAnS [48]2 years ago
8 0

Answer:

C difference of squares

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How long is a rectangular field with a width of 3/5 mile and an area of 21/50 square mile?
Elan Coil [88]
w=\frac{3}{5}mi\\\\l=?\\\\A_{\fbox{ }}=w\times l;\ A_{\fbox{ }}=\frac{21}{50}mi^2\\\\\frac{3}{5}l=\frac{21}{50}\ \ \ \ \ |multiply\ both\ sides\ by\ \frac{5}{3}\\\\l=\frac{21}{50}\times\frac{5}{3}\\\\l=\frac{7}{10}\\\\Answer:\boxed{\frac{7}{10}mi=0.7mi}
4 0
3 years ago
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HELP HELP HELP IM BEGGIN YU
marishachu [46]

Answer:

Option C

Step-by-step explanation:

If two triangles are congruent then their corresponding sides and angles are congruent.

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

<u><em>hope it helps you..</em></u>

<u><em>have a great day!!</em></u>

<u><em /></u>

5 0
3 years ago
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1. The amount of extension in an elastic spring varies directly as the weight hung on it. If a weight of 150 gm produces an exte
gregori [183]

Answer:

900 g

Step-by-step explanation:

let e be extension and w be weight

given e varies directly as w then the equation relating them is

e = kw ← k is the constant of variation

to find k use the condition w = 150 , e = 2.9 , then

2.9 = 150k ( divide both sides by 150 )

\frac{2.9}{150} = k , that is

k = \frac{29}{1500}

e = \frac{29}{1500} w ← equation of variation

when e = 17.4 , then

17.4 = \frac{29}{1500} w ( multiply both sides by 1500 )

26100 = 29w ( divide both sides by 29 )

900 = w

3 0
3 years ago
Simplify.<br><br> 5 • 2 • (–4) + 6 ÷ 2
Natasha2012 [34]

Answer:

- 37

Step-by-step explanation:

5 • 2 • ( - 4 ) + 6 ÷ 2

= 5 • 2 • ( - 4 ) + [ 6 ÷ 2 ]

= 10 • ( - 4 ) + 3

= - 40 + 3

= - 37

4 0
2 years ago
Slove the following <br>equation without with out transporting I)5y +10=4y-10​
Katen [24]
The answer is y= -20
7 0
3 years ago
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