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olchik [2.2K]
3 years ago
9

The price of a jacket was reduced from $30 to $12. By what percentage was the price of the sweater reduced? *

Mathematics
1 answer:
scoundrel [369]3 years ago
8 0

Answer:40%

Step-by-step explanation:

30 divided by 2/5 = 12 2/5 is also equivalent to 40/100

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What method can be used to prove the triangles below are congruent?
Roman55 [17]

Answer:

  • B. Not congruent

Step-by-step explanation:

<u>According the the picture we have:</u>

  • The triangles have two congruent sides and one non-included angle.

It means we don't have sufficient information to state the triangles are congruent.

Correct choice is B

5 0
3 years ago
Read 2 more answers
Rolex worked 40 hours last week she had $74 deducted from his earning for taxes . if he had $286 left after the deduction how mu
Mkey [24]
<span>Let's find out what Rolex made BEFORE the reduction.
$286 + $74 = $360

To find out what he makes each hour, we divide $360 by 40 hours.
Rolex's Earning Per Hour = $360/40 hours
Rolex's Earning Per Hour = $9 per hour
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6 0
4 years ago
Find the general solution for differential equation<br><br> (D4 - 5D3 + 5D2 + 5D - 6)y = 0
slava [35]
Given differential equation, (D4 - 5D3 + 5D2 + 5D - 6)y = 0

=> For general solution of equation,

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=> D4 - 5D3 + 6D2 - D2 + 5D - 6 = 0

=> D2 (D2 - 5D + 6) - (D2 - 5D + 6) = 0

=> (D2 - 5D + 6)(D2 - 1) = 0           ................................(1)

Now

D2  - 1 = (D - 1)(D + 1)  and

Factors of D2 - 5D + 6

D2 - 5D + 6 = D2 - 2D - 3D + 6

= D(D - 2) - 3(D - 2)

= (D - 3)(D - 2)

Therefore, equation (1) implies

(D2 - 5D + 6)(D2 - 1) = (D - 3)(D - 2)(D - 1)(D + 1) = 0

=> D = 3, 2, 1, -1 or D = -1, 1,, 2, 3

=> General solution of differential equation is,<span>

=><span> y = C1 e-x + C2 ex + C3 e2x + C4 e3x</span> .

Hope it helps
</span>
8 0
3 years ago
We have a part-whole ratio of 2 : 10. How can we represent this ratio as a percent?
madam [21]
Since there’s a 10 multiple both sides by 10 and it gives you 20/100 which is 20%
4 0
2 years ago
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What is the Least to greatest?4/5 1/4 3/9 5/12
Pavlova-9 [17]

Answer:

1/4, 3/9, 4/5, 5/12

Step-by-step explanation:

8 0
3 years ago
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