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nadya68 [22]
3 years ago
6

How did the temp. change if at first it increased by 25% and then decreased by 40%?

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
7 0

Answer:

The temperature would have dropped 15 degrees so it would have been colder

Step-by-step explanation:

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What is 2 divided on 1000
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500. But 1000 cannot go in 2, the result would be 0.002.

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3 years ago
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A rectangular poster has an area of 190 inches squared. The height of the poster is one inch less than twice its width. Find the
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Set the height to h, and the width to w.

We know that wh=190 and h=2w-1.

Substituting 2w-1 for h, we have:

w(2w-1)=190

So:
2w^2-w-190=0

Factoring this equation, we get (2w+19)(w-10)=0.  The solutions to this equation are -9.5 and 10, but clearly the width must be positive, Substituting 10 for the width, we get 10*2-1=19 for the height.
4 0
3 years ago
At an electronic store, 4 phones and 3 laptops together cost $1580.62. The total cost of 2 laptops and 5 cameras is $1340.90. If
Mashutka [201]

Answer:

$2,677.72

Step-by-step explanation:

L = 3C

P

4P + 3L = 1,580.62

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2L + 5C = 1,340.90

6C + 5C = 1,340.90

11C = 1,340.90

C = 121.90

121.90 * 3 = 365.70

L = 365.70

4P + 3L = 1,580.62

365.70 * 3 = 1,097.10

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P = 120.88

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L = 365.70

P = 120.88

4P + 5L + 3C = ?

4(120.88) + 5(365.70) + 3(121.90) = 2,677.72

7 0
3 years ago
Clarence has already taken 15 pages of notes on his own, and he will take 5 pages during each hour of class. In all, how many ho
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Answer:

60-15/2=9

Step-by-step explanation:


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Share up 184 snail between a salamander how many snail does each salamander get
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How many salamanders are there

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