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VikaD [51]
3 years ago
12

Find the value of x. 9 10 8 7

Mathematics
1 answer:
Ksju [112]3 years ago
5 0
10 is the correct answer
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A bag contains 6 red marbles, 2 white marbles, and 1 gray marble.You randomly pick out a marble,record its color,and put it back
Dominik [7]
You should expect 5. There is one grey marble out of 9 total, and that can be expressed as 1/9. Since you repeat it 45 times, it's 1/9 45 times, or 1/9(45). 

\frac{1}{9} * \frac{45}{1}

1*45 is 45

9*1 is 9.

45/9 is 5.
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<em>Be sure to choose which answer is Brainliest!</em>
8 0
3 years ago
Solve the system by using the technique of ‘elimination’: -2x+5y=-42,7x+2y=30
Gekata [30.6K]

Solve the following system using elimination:

{5 y - 2 x = -42 | (equation 1)

7 x + 2 y = 30 | (equation 2)

Swap equation 1 with equation 2:

{7 x + 2 y = 30 | (equation 1)

-(2 x) + 5 y = -42 | (equation 2)

Add 2/7 × (equation 1) to equation 2:

{7 x + 2 y = 30 | (equation 1)

0 x+(39 y)/7 = (-234)/7 | (equation 2)

Multiply equation 2 by 7/39:

{7 x + 2 y = 30 | (equation 1)

0 x+y = -6 | (equation 2)

Subtract 2 × (equation 2) from equation 1:

{7 x+0 y = 42 | (equation 1)

0 x+y = -6 | (equation 2)

Divide equation 1 by 7:

{x+0 y = 6 | (equation 1)

0 x+y = -6 | (equation 2)

Collect results:

Answer: {x = 6, y = -6

3 0
3 years ago
The length of a rectangular garden is 5m greater than its width. The area of the garden is at least 45m^2. What are the possible
Sonbull [250]

Answer:

the garden can be at the lest 4.7 x 9.7 from there its X times X+5

Step-by-step explanation:

8 0
3 years ago
Divide.
777dan777 [17]
The answer is D) 192,201
7 0
3 years ago
Read 2 more answers
(18+6)+(16+5)x5 <br><br><br>help?​
podryga [215]

Answer:

129

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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