2 years ago

Two sides of an equilateral triangle, ABC, are AB = 2x – 2 and BC = 32 – 6.

Mathematics

1 answer:

IrinaVladis [17]2 years ago

8 0

Here yah go hope this is it

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Is (0,0) a solution of the system y>x and x+y>0?

olga55 [171]

Plug the values (x,y)=(0,0) into the inequalities:

$y\ \textgreater \ x \\
0\ \textgreater \ 0 \\
not \ true \\ \\
x+y\ \textgreater \ 0 \\
0+0\ \textgreater \ 0 \\
0\ \textgreater \ 0 \\
not \ true$

0 isn't greater than 0, no (0,0) is not a solution to either of these inequalities.

The answer is D.

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3 years ago

This is the one!!!!!!!!!!!

sukhopar [10]

All you have to do is move the denominator on the other side, by multiplying.

a-10
------- = -9
20

multiply 20 x -9
= -180

then it becomes a-10=-180
+10 +10
a=-170

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3 years ago

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A tree casts a shadow that is 8 feet long, a 3 foot mailbox cast a shadow that is 5 feet long. how tall is the tree?

madam [21]

Set up two fractions:
8/x and 3/5
Set them equal to each other and cross multiply to get:
8*5 = 3x
40 = 3x
13.3 = x or 13 and 1/3 feet tall.

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3 years ago

NEED ANSWERS NOW!! (Reward) brainlest and pointsss

Misha Larkins [42]

Answer:

Step-by-step explanation:

(x+8)+(x+4)=0

×=-8 and ×= -4

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2 years ago

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rodikova [14]

10.<

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13.<

Make me as brain liest

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2 years ago