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n200080 [17]
4 years ago
7

I need help !!! I don’t understand the problem

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

Answer:

It would be -81²x+81x-18= -9x+6

Step-by-step explanation:

When you work equation one you get 18. Then when you work equation two, you get -2/3=-0.666666667

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Ahmad and Ben have a total of 78 keychains.
Murljashka [212]

Sorry it was tru

2C=B

C-A=6 A=C-6

A+B+C=78

78=C-6+2C+C

5 0
3 years ago
Blaire needs more than 708 total points on assignments in her math class to pass. She only has 236 points and needs to do some e
blsea [12.9K]

Answer: D) x = 8


Step-by-step explanation: In order to get this answer, you need to keep the 236 and add 59 evry time until you get 708.

Another thing is to multiply 59 by 8, which will give you 472. Now we add 472 and 236 and we get 708.

59 x 8 = 472 + 236 = 708.

56 + 56 + 56 + 56 + 56 + 56 + 56 + 56 = 472 + 236 = 708.

Hope this helped!

Plz mark brainliest!

6 0
3 years ago
Read 2 more answers
(x^4)^2 perform the indicated operation
erica [24]

Answer:

x^8

Step-by-step explanation:

Since you are doing x^4 squared, you have to multiply the exponents.

4 * 2 = 8

x^8

8 0
3 years ago
Read 2 more answers
John has a bag of different colored marbles. He has 6 red marbles, 3 blue marbles, 7 yellow marbles, and 5 green marbles. If Joh
Neporo4naja [7]

Answer:

3/20 is the probability of blue marble

4 0
3 years ago
Read 2 more answers
This is stem and leaf diagrams and there are a few coming up try answer them all for more points each time!!
AURORKA [14]

Answer:

78%

Step-by-step explanation:

Given the stem and leaf plot above, to find the median percentage for boys in the German test, first, write out the data set given in the stem and leaf diagram as follows:

40, 46, 46, 47, 69, 70, [78, 78,] 79, 82, 87, 90, 90, 95

The median value is the middle value in the data set. In this case, we have an even number of data set which are 14 in number.

The median for this data set would be the average of the 7th and 8th value = (78+78) ÷ 2 = 156/2 = 78

Median for boys = 78%

7 0
4 years ago
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