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olga nikolaevna [1]
3 years ago
14

I need help and thanks

Mathematics
1 answer:
DochEvi [55]3 years ago
8 0
(20/4)×7
280÷(7+3)×7
175÷8=21.875(round off to 22 as no.of chairs cannot have decimal place)
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Which of the following is equivalent to the complex number i^54?
Vitek1552 [10]

Answer:

  • c)  - 1

Step-by-step explanation:

  • i^54 =
  • (i^2)^27 =
  • (-1)^27 =
  • -1

Correct option is c)

7 0
4 years ago
Read 2 more answers
What are the ratios for SIN A and COS A
miskamm [114]

Answer:

A

Step-by-step explanation:

A good trick for trigonometric functions is to remember SOHCAHTOA:

Sin=<u>O</u>pposite over <u>H</u>ypotenuse

Cos=<u>A</u>djacent over <u>H</u>ypotenuse

Tan=<u>O</u>pposite over <u>A</u>djacent

The red arrows on the attachment indicate where opposite, hypotenuse, and adjacent are for angle A.

So in this case, the sin of angle A (opposite over hypotenuse) would be \frac{24}{26} and cos A (adjacent over hypotenuse) would be \frac{10}{26}.

I hope this helps!

6 0
3 years ago
How many oranges do you need for 1 cup
mel-nik [20]
You will need 2 oranges for 1 cup
8 0
3 years ago
mark spent a total of $12.33 on 9 oranges and a packet of strawberries. if the packet of strawberries costs $2.88 how much did e
rosijanka [135]

Answer: $1.05 per orange

Step-by-step explanation:

12.33 - 2.88 = 9.45

9.45 ÷ 9 = 1.05

6 0
1 year ago
Leo bought 50 lbs of clay for his art projects. He used 12.5 lbs to make a sculpture, and 0.72 lbs for each mug. How many mugs d
ExtremeBDS [4]

Answer:

Total number of mug = 14 mugs

Step-by-step explanation:

Given:

Total amount of Clay Leo bought = 50 lbs

Total amount of Clay left = 27.42 lbs

Total amount of Clay used in sculpture = 12.5 lbs

Amount of clay each muh need = 0.72 lbs

Find;

Total number of mug

Computation:

Assume;

Total number of mug = a

So,

Total amount of Clay Leo bought = Total amount of Clay left + Total amount of Clay used in sculpture + (Amount of clay each muh need)(Amount of clay each muh need)

50 = 27.42 + 12.5 + (0.72)(a)

50 = 39.92 + (0.72)(a)

(0.72)(a) = 10.08

a = 14

Total number of mug = 14 mugs

8 0
3 years ago
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