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3 years ago

The diagram shows a parallelogram. work out the value of x

Mathematics

1 answer:

muminat3 years ago

3 0

Answer:

x = 39

Step-by-step explanation:

The opposite angles of a parallelogram are congruent, so

3x - 15 = 2x + 24 ( subtract 2x from both sides )

x - 15 = 24 ( add 15 to both sides )

x = 39

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3.2

Varvara68 [4.7K]

Answer:

35/132.

Step-by-step explanation:

There are a total of 12 balls. So:

Prob(First is green) = 5/12.

After the first selection there are 11 balls left.

Prob(The second is red) = 7/11.

The required probability = 5/12 * 7/11

= 35/132.

Note: the probabilities are multiplied because the 2 events are independent.

3 0

3 years ago

Factor the expression over the complex numbers.<br><br> x^2+52

Deffense [45]

Here we are given the expression:

$x^{2}+52$

Now let us equate it to zero to find x first,

$x^{2}+52=0$

Now subtracting 52 from the other side,

$x^{2}=-52$

taking square root on both sides,

So we will get two values of x as ,

$x=+2\sqrt{-13}$

$x=-2\sqrt{-13}$

Now we can write square root -1 as i,

So our factors become,

$x=+2i\sqrt{13}$

$x=-2i\sqrt{13}$

Answer:

The final factored form becomes,

$(x+2i\sqrt{13})(x-2i\sqrt{13})$

6 0

4 years ago

a minute hand of a clock is 22 feet long.Find the distance traveled by the the tip of the minute hand in one hour.

Allushta [10]

Answer:

138.23 feet

Step-by-step explanation:

The minutes and seconds hands of a clock rotates in a circular manner no matter the shape of the clock. Therefore the distance covered by the minute hand of the clock is calculated by the circumference of a circle:

C = 2πr

C = 2 * $\frac{22}{7}$ * 22

C = 138.23 feet

7 0

3 years ago

(1,4) (2,2) find the midpoint

Art [367]

1,8 is the mid point of these two numbers

3 0

3 years ago

Whats the aream of this rhombus

Ghella [55]

Answer:

Step-by-step explanation:

Most likely it is 195

8 0

3 years ago

The diagram shows a parallelogram. work out the value of x​

The diagram shows a parallelogram. work out the value of x