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melamori03 [73]
2 years ago
10

28% of what number is 21.​

Mathematics
1 answer:
Katena32 [7]2 years ago
4 0

Answer:

i think it´s 75..

Step-by-step explanation:

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Is 7/9 squared Rational or irrational?
Karo-lina-s [1.5K]
 the answer is irrational

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3 years ago
2(2x+3)=3(3x+1)<br> Duýdhdhdjjdjdjđm
Vlada [557]

Answer:

12

Step-by-step explanation:

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7 0
2 years ago
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The directions are with the question. Please answer numbers 6 through 10, please.
prisoha [69]

Answer:

6) 4 (tiny 5) in the upper corner

7) 9 (tiny 2) in the upper corner

8) 4 (tiny 2) in the upper corner

9) 3 (tiny4) in the upper corner

10) 5 (tiny 5) in the upper corner

Step-by-step explanation:

Once you get the hang of it, it's quite easy! Here are the steps for how I figured it out:

1) Figured out what number they are giving me. For the first one, I saw that they gave me the number 4. For the second one, they gave me the number 9 etc.

2) Next, I looked at each problem individually. For the first one, you know that they are giving you the number 4. You would then count the amount of numbers, in this case 4, that you see in the equation.

3) Now knowing the numbers of numbers in the equation, you'd write it in exponential notation. For the first one, they are giving you the number 4, however, they are giving it to you 5 times. Thus, by writing the number 5, smaller than the number 4, you are allowing you and your math teacher to know that you have to take the number 4 and multiply it by itself 5 times.

4) Try doing this for the others too. Trust me, once you get the hang of it, it's pretty simple. Hope this helped!

4 0
3 years ago
WILL MARK BRAINLIEST ON CORRECT ANSWER
erik [133]
I believe none is the answer due to the fact it isn’t symmetrical. sorry if i am wrong. let me know if i am
8 0
2 years ago
The pH scale measures how acidic or basic a substance is. Lemon juice is said to have a pH of less than 4 and greater than 1.5.
Vera_Pavlovna [14]

Answer:

1.5<x<4 i hope this is right sorry if its not

Step-by-step explanation:

8 0
2 years ago
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