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defon
2 years ago
8

Thực hiện phép nhân, rút gọn rồi tính giá trị của biểu thức :

Mathematics
1 answer:
Deffense [45]2 years ago
5 0

Answer:

i do not understand what youre asking

Step-by-step explanation:

see^^^^^

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Calculate the circumference. round to the nearest hundredth. 16 inches
goldenfox [79]

Given the radius is, r = 16 in,

The expression for the circumference of a circle is,

C=2\pi r

Therefore, we have,

C=2\times3.14\times16\text{ in = }100.48\text{ in}

Thus, the circumference of the circle is 100.48 in.

6 0
10 months ago
CosA.cosecA=cotA can you please help me with this
chubhunter [2.5K]

CscA = 1/sinA

CosACscA = cosA × 1/sinA = cosA/SinA = cotA

3 0
3 years ago
The total cost of 4 goldfish and 3 guppies is $29. 3 goldfish and 5 guppoes cost $30. How much does each cost
Aneli [31]

let the goldfish be x and the guppies be y

4x + 3y = 29...equ(1)

3x + 5y = 30...equ(2)

multiplying equation 1 by 5 and equation 2 by 3

20x + 15y = 145...equ(1)

9x + 15y = 90...equ(2)

subtracting equation 2 from 1

11x = 55

∴x = 5

 substituting the value of x into equation

4(5) + 3y = 29

20 + 3y = 29

3y = 9

∴y =3

5 0
3 years ago
After Jessie gave $20 to his brother,<br> he had $33 left. How much did Jessie<br> have originally?
babymother [125]

Answer:

53

Step-by-step explanation:

Total amount = Given to his brother + Amount left

20 + 33 = 53

7 0
2 years ago
Please help me with my last answer im stuck ​
Fiesta28 [93]

9514 1404 393

Answer:

  the correct choice (A) is marked

Step-by-step explanation:

The function g(x) is translated 3 right and 1 down from f(x).

The transformation ...

  g(x) = f(x -h) +k . . . . . . translates h right and k up

For your translation, you have (h, k) = (3, -1). Putting those into the transformation model above gives ...

  g(x) = (x -3)² -1 . . . . matches choice A

3 0
2 years ago
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