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julia-pushkina [17]
3 years ago
8

I am an odd Number my digits add up to 7 I am bigger than 50 and smaller than 100 who am i?

Mathematics
2 answers:
nevsk [136]3 years ago
7 0

Answer:

61

Step-by-step explanation:

1) When it says it's an odd number, the ones place has to 1, 3, 5, 7, or 9

2) Since the number is bigger than 50 and smaller than 100, we know the answer is going to be ranging in somewhere between 50 and 70

3) Now, we have to make sure the digits add up to 7, so no we are left we the options 52, 61, and 70

4) We have to make sure the answer is an odd number. Therefore, 61 is the correct answer.

Hope this helps!

aleksklad [387]3 years ago
5 0

Answer:

61

Step-by-step explanation:

the only numbers that add to 7 with the first digit bigger than 5 are 6+1 and 7+0, but the number has to be odd so it can't be 70

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Which of these number lines represents-4+3
Marrrta [24]

Answer:

these lines represent-4+3=-7

7 0
3 years ago
A rectangular room is 11 feet by 18 feet. The ceilings are 10 feet high. If a gallon of paint covers 250 square feet. How many g
Bingel [31]

Answer:

2.32 gallons of paint

Step-by-step explanation:

First, find the area of all 4 sides of the room, with the equation A = lw

11(10)

= 110 (for 2 of the walls)

18(10)

= 180 (for the other 2 walls)

Add these up:

110 + 110 + 180 + 180

= 580

Then, divide this by 250:

580/250

= 2.32

So, 2.32 gallons of paint will be needed to paint the room.

5 0
3 years ago
-1.398 = 2.2 + n/-5.53<br> Does this look good so far? <br> -1398 = 2200 + n/5530 - 2200
insens350 [35]

Answer:

  n = 19.89694

Step-by-step explanation:

You can work the problem using decimal numbers. There is no need to convert everything to integers. Trying to do so just gets you in trouble.

Subtract 2.2 from both sides:

  -1.398 -2.200 = n/-5.53

  -3.598 = n/-5.53

Now, multiply both sides by -5.53:

  (-5.53)(-3.598) = n = 19.89694

_____

The one rule that cannot be violated in algebra is that <em>you must do the same thing to both sides of the equation</em>.

_____

Your "solution" so far has a couple of errors. The first is that you have apparently multiplied all of the numbers by 1000. Unfortunately, when you multiply a denominator by 1000, it is the same as dividing by 1000. So, you have multiplied the left side by 1000, multiplied one term on the right by 1000 and divided another term on the right by 1000. This turns the equation into something different than what you started with, and will give a wrong answer.

The second error is that you have subtracted 2200 only from the right side. This, too, will turn the equation into something different than what you started with, and will give a wrong answer.

7 0
3 years ago
Does the graph of f (x) = -(x+6)2 have a maximum or a minimum?
Flura [38]

Answer:

the quadratic function has a maximum as it is opened downwards.

Step-by-step explanation:

pls mark brainliest if you could! hope this helped!

5 0
3 years ago
Which equation gives the number of 1/4 centimeter that are in 7/8 centimeter?
lesya692 [45]
The answer is B.

remember to use the reciprocal when dividing with fractions
5 0
3 years ago
Read 2 more answers
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