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azamat
3 years ago
14

I need some help with these

Mathematics
1 answer:
aniked [119]3 years ago
6 0

Answer:

1) A profit of Rs 250 is made.

3) 11 marks

3) 14/15 kg

4) 15/28

Step-by-step explanation:

1) A profit of Rs.10 per bag of oranges and a loss of Rs.5 per bag of grapes sold. The total profit/loss from selling 200 bags of oranges and 350 bags of grapes is:

total profit/loss = 200 (10) - 5(350) = 2000 - 1750 = Rs 250

A profit of Rs 250 is made.

2) (+5) marks are given for every correct answer and (-3) marks are given for every incorrect answer and 0 for answer not attempted. If he answer 4 correct and 3 incorrect out of 7 questions. His score is:

Score = 5(4) - 3(3) = 20 - 9 = 11 marks

His score is 11 marks

3) An object weighs 28/5 kg on earth. Since its weight on moon is  1/6 its weight on Earth.

The weight on moon = 1/6 × 28/5 = 14/15 kg

4) 3/4 of 5/7 = 15/28

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The correct answer to this is:
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Reflection and rotation can also be used but since their both grouped with dilations, they can't be used. When dilation is used, the size of the shape is changed and congruence won't be possible anymore . That's why the answer is the first option.
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3 years ago
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Answer:

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Answer:

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5 0
3 years ago
Read 2 more answers
Help plz I’m not good at this
Natalka [10]

Answer:

<u>The correct answer is A. 1/8</u>

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3 years ago
An arithmetic sequence is represented in the following table. Enter the missing term of the sequence.
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a_1=-9\\\\a_2=a_1-8\to a_2=-9-8=-17\\\\a_3=a_2-8\to a_3=-17-8=-25\\\\a_4=a_3-8\to a_4=-25-8=-33\\\\\text{The general term of an arithmetic sequence:}\\\\a_n=a_1+(n-1)d\\\\a_1-first\ term\\d-common\ difference\\\\\text{We have}\ a_1=-9\ \text{and}\ d=-8.\ \text{Substitute:}\\\\a_n=-9+(n-1)(-8)=-9-8n+8=-8n-1\\\\\text{Put n = 43 and calculate}\ a_{43}\\\\a_{43}=-8(43)-1=-344-1=-345\\\\Answer:\ \boxed{?=-345}

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3 years ago
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