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2 years ago

You have 4 framed portraits. How many ways can you arrange all 4 of them on the top of your bookshelf?.

Mathematics

1 answer:

hichkok12 [17]2 years ago

6 0

Answer: permutation

Step-by-step explanation: sorry if wrong

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1/2 of 30=1/4 of? What is the answer?

ipn [44]

0.5(30) = 0.25(x). Divide each side by 0.25.

60 = x.

1/4 of 60 = 1/2 of 30

4 0

3 years ago

Whats the answer plzzzz helppp

alex41 [277]

Answer:

Step-by-step explanation:

Exterior angle is equal to the sum of opposite interior angles

3t - 37 + 2t - 14 = t + 46

Combine like terms

3t + 2t -37 -14 = t + 46

5t - 51 = t + 46

Subtract t form both sides

5t - 51 - t = 46

5t - t -51 = 46

4t - 51 = 46 {add 51 to both sides}

4t = 46 + 51

4t = 97

t = 97/4

t = 24.9°

3 0

3 years ago

What is the product?<br> (4x)(-3х^8)(-7^3)

Kruka [31]

Answer:

The answer is 84 x 12

4 0

3 years ago

Read 2 more answers

There are seven numbers in this list:

svet-max [94.6K]

Answer:

Step-by-step explanation:

donnnnnnnnnnnnnnnnnnnne

7 0

3 years ago

avanturin [10]

Answer:

(x+2)(2x+2) = 130

x=6.58m

Step-by-step explanation:

The shape of the whole figure is a triangle. Hence the area of the whole figure is expressed as:

Area = Length * Width

Given

Length = 2 + x + x = 2+2x

Width = 2 + x

Area = 130m²

Substitute the resultng values into the formula;

(2+2x)(2+x)= 130

(x+2)(2x+2) = 130

Expand the bracket:

$2x^2+2x+4x+4=130\\2x^2+6x+4=130\\$

Divide through by 2

$x^2+3x+2=65\\x^2+3x=65-2\\x^2+3x = 63$

Complete the square by adding the square of the half of the coefficient of x to both sides:

$(x^2+3x+(\frac{3}{2} )^2)=63+(\frac{3}{2} )^2$

$(x+\frac{3}{2} )^2=63 + \frac{9}{4} \\(x+\frac{3}{2} )^2=\frac{252+9}{4} \\(x+\frac{3}{2} )^2=\frac{261}{4}\\(x+\frac{3}{2} )^2=65.25$

Take the square root of both sides

$\sqrt{(x+(\frac{3}{2} ))^2} = \sqrt{65.25}\\x+\frac{3}{2}= 8.078\\x=8.078-1.5\\x=6.58m$

Hence the value of x is 6.58m

4 0

2 years ago