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myrzilka [38]
3 years ago
8

Scientists discovered a large star 113,000 light years from Earth. A light

Mathematics
1 answer:
Oxana [17]3 years ago
7 0

Answer: 6.6444 × 10^16

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2 At Bea's Pet Shop, the number of dogs, d, is initially five less than twice the number of cats, c. If she decides to add three
forsale [732]

Let D be dogs and C be cats

<em>dogs, d, is initially five less than twice the number of cats, c</em>

D + 5 = 2C

<em>If she decides to add three more of each, the ratio  of cats to dogs will be</em>

D + 8 = 2C + 3

<em>Could Bea's Pet Shop initially have 15 cats and 20 dogs?</em>

Simply plug in the numbers

20 + 5 = 2(15)

This is clearly not true: 25 does not equal 30

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7 0
3 years ago
Your boss gave you a raise. Your weekly salary went from $375 to $450. What was your percent raise?
Yuri [45]
<span>1. Find the difference
2. Divide the difference by the original number it went up from.
</span>
450-375 = 75

75/375 = 0.2

You got a 20% raise.

Proof:
375*.2 = 75
375+75 = 450
3 0
3 years ago
Please help!! IM GIVING 100<br> POINTS
Lelu [443]
The answer should be 9.3
6 0
3 years ago
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Solve the system of equations<br>13х – 6у = 22<br><br> x=y+6​
Mrrafil [7]

Answer:

x = -2, y = -8

Step-by-step explanation:

13(y + 6) - 6y = 22

=> 13y + 78 - 6y = 22

=> 7y = -56

=> y = -8

x = -8 + 6

=> x = -2

4 0
3 years ago
What's the answer to 2+3
eimsori [14]
The answer to this is 5.
7 0
2 years ago
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