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Natalka [10]
3 years ago
8

NEED HELP IM BEGGING YOU PLEASE!!!!!!!!!

Mathematics
2 answers:
Vinil7 [7]3 years ago
7 0

6,8

9,7

13,1

im srry thats all i know :(

sweet [91]3 years ago
3 0

Answer:

6: (g+11h)+9h = g+(11h+9h)

7: (c x 3) x 5 = c x (3 x 5)

8: 6x+5y = 5y+6x

9: 7b x 2 = 2 x 7b

10: 15y+0 = 15y

11: 7k x 0 = 7k

12: a x 1 = a

13: 7k x 0 = 0

Step-by-step explanation:

I Hope This Helps!

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Select the correct answer.
Nataly [62]

Answer:

D. Part of the solution region includes a negative number of erasers purchased; therefore, not all solutions are viable for the given situation.

Step-by-step explanation:

I got it right on the practice

7 0
3 years ago
The percentage of water in an unknown hydrate was determined by heating the sample and driving the water off the sample. Two ind
Bas_tet [7]

Answer:

It should be reported as 20.648%

Step-by-step explanation:

Since we have 2 different observed values hence we shall use an average of the 2 values to report the result

Thus value is \frac{19.564+21.731}{2}=20.6475%

As we can see that the least count of our observations is upto 3 decimal places hence we have to report a result upto only 3 decimal places thus we need to round off the fourth decimal place thus the digit shall be increased by 1 since we have to drop off 5 and the digit before 5 is 7 which is an odd number.

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8 0
3 years ago
Which equation illustrates the identity property of multiplication? (a + bi) × c = (ac + bci) (a + bi) × 0 = 0 (a + bi) × (c + d
labwork [276]

Answer:

(a + bi) \times 1 = (a + bi)

Step-by-step explanation:

The identity property means that whatever you put in is whatever comes out. Notice that if we multiply 1 with any number, we get that number back. So multiplying by 1 is the identity property of multiplication.

8 0
3 years ago
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What is the highest number known to man
dimaraw [331]

Answer:

Infinity

Step-by-step explanation:

You cannot go higher than this

7 0
3 years ago
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Uhh I got this answer wrong my brain wasn’t working so I guessed and picked wet and salty
Dahasolnce [82]

Answer:

dry and hot

Step-by-step explanation:

It looks very similar to a cactus which also lives in this in a dry and hot area

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3 years ago
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