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Travka [436]
3 years ago
12

What’s equivalent to 5X -20 minus X +9

Mathematics
1 answer:
slega [8]3 years ago
5 0

Answer:

No answer

Step-by-step explanation:

5x-20-X+9

7x-20+9

7x-11

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Mario's locker number is between 80 and 99. the sum of the digits is 13. the tens digit is 3 more than the ones digit. what is M
ANTONII [103]
Since we know it is between 80 and 99, the tens place can only either be 8 or 9.

If it is 8, the ones place is 5 since the digits must add to 13.
If it is 9, the ones place is 4 since, once again, the digits must add to 13.

Our options are 85 or 94. Based on the last clue, it is 85 since 8-5=3.

Final answer: 85
7 0
3 years ago
Find the radius r of the circle. Round your answer to the nearest tenth.
galina1969 [7]

Answer:

it might be 2.6

Step-by-step explanation:

im assuming the 16.3 is the circumfrence, so if you follow the formula for circumfrence (2πr) the radius would be 2.6. hope this is correct

4 0
3 years ago
Read 2 more answers
ANSWER BOTH CORRECTLY!! PLEASE HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP THERE IS 2 QUESTIONS
melomori [17]

Answer:

TS = 22

x = 49

Step-by-step explanation:

(5x-2)/39 = (3x+1)/26

Multiply both sides by 78:

10x-4 = 9x+3

x=7

3x+1 = 22

:::::

(x+5)/36 = 30/20

x+5 = 54

x = 49

7 0
3 years ago
SOMEONE PLEASE ANSWER AND I WILL GIVE BRAINLIEST :))
UNO [17]
Ok, so we know it costs $1.10 to make a pin, so the cost of making all 1000 pins must have been:
1.10 \times 1000 = 1100
We know that 35% of the pins, hence 350 pins, were given to charity (we assume this means donated for free), and so the company sold 650 pins.

60% of these we sold at $3 each;
0.60 \times 650 = 390
So 390 pins sold at $3 each comes to
390 \times 3 = 1170
So the company has already made $1170.

The other 40% of the 650 remaining pins (260 pins) were sold at $5 for 2. We assume from the question that they were only sold in pairs and were all sold, so we can essentially figure out that 130 pairs were sold at $5 each;
130 \times 5 = 650
So the company has sold the pins for $650 + $1170 = $1820

This means that the company has made
$1820 - $1100 = $720 as profit

So the percentage profit earned (profit/cost times 100%) would be
\frac{720}{1000}  \times 100 = 65.4545....
Which to one decimal place is 65.5% profit.

Hope this helped.



6 0
4 years ago
Read 2 more answers
Divide 2 tonnes in the ratio 2:3.
Vaselesa [24]

Answer:

0.8 : 1.2

Step-by-step explanation:

2/5 × 2= 0.8 Tonnes

3/5 ×2 = 1.2 tonnes

8 0
3 years ago
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