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zalisa [80]
3 years ago
8

Plz answer will get brainliest

Mathematics
1 answer:
rjkz [21]3 years ago
8 0

Answer:

4

Step-by-step explanation:

1/3 of 30 is 10

2/5 of 10 is 4

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Which of the following best describes the solution to the equation below?
kozerog [31]
D)One solution. b=5
Distribute 2 times b plus 2 times 3
2b+6
2b+6+2b=26
Combine like terms 4b+6=26
Subtract 6 from both sides
4b=20
Divide both sides by 4
b=5

Check by substituting 5 for b
2 (5+3)+2(5)=26
2(8) + 2(5)=26
16+10=26
26=26
4 0
3 years ago
2/5 of Janet's class prefers chocolate ice cream and 2/5 prefers vanilla ice cream. What part of the class prefers chocolate or
belka [17]
The answer is D, 4/5, because 2/5+2/5=4/5.
6 0
2 years ago
Read 2 more answers
The equation is solved. Describe the property used in each solution.
UNO [17]

Answer:

Step-by-step explanation:

It’s multiplication and then division. Just did it on edge2020.

7 0
3 years ago
A friend has a 83% average before the final exam for a course. That score includes everything but the final, which counts for 25
Klio2033 [76]

Answer:

\mathrm{Best\:course\:grade\:possible:\:}87.25\%,\\\mathrm{Minimum\:score\:on\:final\:to\:earn\:at\:least\:a\:75\%\:for\:the\:course:\:}51\%

Step-by-step explanation:

Assuming the maximum score for the final is 100\%, we can multiply each score by its respective course weight and add them together to give a final score. If your friend did receive this maximum score of 100\%, their overall grade for the course would be:

83(1-0.25)+100(0.25)=\fbox{$87.25\%$}.

To find the minimum score they need to earn a 75% for the course, we set up the following equation:

83(1-0.25)+x(0.25)=75, where x is the minimum score she needs.

Solving, we get:

62.25+x(0.25)=75,\\x(0.25)=12.75,\\x=\fbox{$51\%$}.

8 0
2 years ago
Please help this is due in tommorow! I will mark you as brainliest!
pshichka [43]

Answer:

325.26

Step-by-step explanation:

that's the answer because you have to multiply the top

I have question do we have to do something to the bottom?

5 0
3 years ago
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