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3 years ago

I need help man pls

Mathematics

1 answer:

Tanya [424]3 years ago

8 0

Answer:

Step-by-step explanation:

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What is the value of arccos(−1/2)in radians? a) 2pi/3 b)pi/3 c)pi/6 d)5pi/6

Anastaziya [24]

Answer:

a] 2pi/3

this is the answer

4 0

3 years ago

Make q the subject of the formula 2(q+p) = 1+5q. Give your answer in the form ap-b/c where a,b and c are all positive integers

musickatia [10]

Answer:

$\frac{2p-1}{3}$

Step-by-step explanation:

Since you want to get q only and q appears in both side of the equation. Try to isolate q to one side.

1) Expand 2(q+p)

2q + 2p = 1 + 5q

2) Move all q terms to one side

5q - 2q = 2p - 1

3q = 2p - 1

3) Divide 3 on both side (to isolate q)

q = $\frac{2p-1}{3}$

8 0

3 years ago

The perimeter of the original rectangle on the left is 30 meters. The perimeter of the reduced rectangle on the right is 24 mete

OlgaM077 [116]

Answer:

5 meters

Step-by-step explanation:

If the smallest rectangle has a length of 8 meters, and a perimeter of 24 meters then its width is given by:

$24 = 2*8+2*W_1\\W_1= 4\ meters$

We can conclude that the width is half of the length for both rectangles. Therefore, the width of the larger rectangle, with a perimeter of 30 meters, is:

$30 = 2*W_2+2*L_2\\30 = 2*W_2+4*W_2\\W_2=5\ meters$

The width of the original rectangle is 5 meters.

6 0

3 years ago

Read 2 more answers

If A ⊂ B, then which of the following describes the relationship between A and B?

Amanda [17]

A set is a well-defined collection of objects. Each object in a set is called an element of the set. Two sets are equal if they have exactly the same elements in them.

A set is a subset of another set if all elements of the set are elements of the set . In other words, the set is contained inside the set . The subset relationship is denoted as A ⊂ B .The relationship of one set being a subset of another is also called inclusion or we can say Set B may have more elements than A does.

Option 4 .Set B may have more elements than A does is the right answer.

5 0

3 years ago

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Select the correct answer. Find the value of g(7) for the function below. g(x) = zur

ale4655 [162]

Answer:

Step-by-step explanation:

To evaluate g(7) substitute x = 7 into g(x) , that is

g(7) = $\frac{7}{8}$ × 7 - $\frac{1}{2}$