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creativ13 [48]
3 years ago
14

What is the answer to this problem

Mathematics
2 answers:
Alisiya [41]3 years ago
8 0
B, -3x+15=23 is the answer
IRINA_888 [86]3 years ago
7 0
The answer is B.
How?
Take the original equation and multiply the parenthesis by 3:
3x+15-6x=23
Now, unite the two x terms like this
3x-6x+15=23
Now, combine them by doing 3-6 (which is -3), and making that the coefficient on x:
-3x+15=23
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Give a correct interpretation of a 99% confidence level of 0.328 < μ < 0.486.
stepladder [879]

Answer:

D

Step-by-step explanation:

Lower bound of the population mean is 0.328

Upper bound of the population mean is 0.486

Confidence level is 99%

Therefore, the correct interpolation of the confidence interval is that we are 99% confident that the true value of the population mean is between 0.328 and 0.486

5 0
4 years ago
The ratio of red marbles to blue marbles is 3:5. If there are 360 marbles total in the collection, how many of each color are th
kari74 [83]

Answer:

135 red and 225 blue

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
A triangle has integer length sides. If two sides of the triangle are 16 and 21, how many possible lengths are there for the thi
r-ruslan [8.4K]

There are 31 possible lengths for the third side.

Unknown Side +  16 > 21

Unknown Side >  5

16 + 21  > Unknown Side

37 > Unknown Side      

Unknown Side  <  37

So, the possible integer lengths range from

6 -  36  

=   36 - 6 + 1  

= 31 possible lengths

The length of the third side of a triangle has to continually be among (but not equal to) the sum and the distinction among the alternative facets. As an instance, take the example of two, 6, and seven. and consequently, the 0.33 facet length has to be extra than four and less than eight.

The regulation of Cosines to calculate the unknown aspect, then use the Law of Sines to find the smaller of the opposite angles and then use the 3 angles add to 180° to find the final attitude.

Learn more about triangles here brainly.com/question/2437195

#SPJ4

8 0
2 years ago
Trent's mom grave him $30. He earned another $12 completing chores. Trent spent $15 at the movie theater and $6 on lunch. How mu
cluponka [151]
30+12=42
15+6=21
42-21=21
Trent has $21 dollars left.
8 0
3 years ago
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Mrs. Dugan plans to serve 100 barbecue sandwiches at the company picnic. How many packages of barbecue buns will she need if bun
Aleonysh [2.5K]

100 sandwiches, using bun packages of 8...

100/8=12.5 Since you cant buy a half a package, round up to 13 packages

100 sandwiches, using bun packages of 12...

100/12=8.33 Since you cant have a third of a package, round up to 9 packages
6 0
3 years ago
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