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nignag [31]
3 years ago
13

21. Combine the complex numbers (9+81)-(2+81)+(9 +21)

Mathematics
1 answer:
zhuklara [117]3 years ago
6 0

Answer:

37

Step-by-step explanation:

90-83+30=37

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What is the sum of the expression (9-8d)+(2c-6)+(-d+3
sweet-ann [11.9K]

Answer:

11c−9d−3

Step-by-step explanation:

3 0
3 years ago
PQRS is a parallelogram. Angle QSP = 47°. Angle QSR = 24°, PST is a straight line.
serg [7]

Answer:

The value of x = 109°

angle PQS = 24°

Step-by-step explanation:

24° + 47° + x = 180° { angles on straight line }

=> 71 ° + x = 180°

=> x = 180° - 71°

=> x = 109°

Now,

Angle PQS = 24°

angle PQS = angle QSR { alternative angle }

6 0
2 years ago
Read 2 more answers
Robert is making 5 batches of lemonade. Each batch 2 1/3 quarts of water. How much water will Robert need? Express your answer i
USPshnik [31]
You multiply 5 * 2 1/3=

2 1/3= 7/3*5= 35/3 which is 11 2/3

so 11 2/3 is your answer
5 0
3 years ago
Read 2 more answers
I need some help with these
aniked [119]

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

6 0
4 years ago
A triangle is inside a circle where the triangles base is on the circles diameter. What is the area of the shaded region where t
DaniilM [7]
I believe it’s approximately 19.63
8 0
3 years ago
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