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Amiraneli [1.4K]
3 years ago
8

Please help me!!!!!!!!!!!

Mathematics
1 answer:
ruslelena [56]3 years ago
5 0

Answer:

sorry i don't understand that

Step-by-step explanation:

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How do you do this problem 2/5+4a=-6/5 what does A = to?
a_sh-v [17]

Answer: A = -2/5

Step-by-step explanation:

- 6/5 - 2/5 = - 8/5 aka - 1 3/5

-1 3/5 ÷ 4 = - 2/5

4 0
3 years ago
Two numbers that round to 300 when rounded to the nearest hundred
sashaice [31]

Answer:

335 and 289

Step-by-step explanation:

335 is rounded to 300 and 289 is rounded to 300

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2 years ago
A line is a collection of __________.
Semenov [28]
A line is a collection of points in a linear direction that goes on infinitely in opposite directions.
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3 years ago
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Solve for x solve for x
soldi70 [24.7K]

Answer:

x=5

Step-by-step explanation:

since two sides are congruent, the two unknown angles are congruent.

All triangle angles total 180 degrees.

so:

180-88=92

92/2=46

9x+1=46

9x=45

x=5

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3 years ago
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What are the solutions of the equation (x-3)2 + 2(x – 3) - 8= 0? Use u substitution to solve.
astraxan [27]

Answer:

x = - 1 and x = 5

Step-by-step explanation:

Given

(x - 3)² + 2(x - 3) - 8 = 0

Let u = x - 3, then

u² + 2u - 8 = 0 ← solve for u

(u + 4)(u - 2) = 0 ← in factored form

Equate each factor to zero and solve for u

u + 4 = 0 ⇒ u = - 4

u - 2 = 0 ⇒ u = 2

Convert back to x, that is

x - 3 = - 4 ( add 3 to both sides ) ⇒ x = - 1

x - 3 = 2 ( add 3 to both sides ) ⇒ x = 5

5 0
3 years ago
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