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stepan [7]
4 years ago
14

Urgent, please answer and show your work. In how many ways can two bishops be placed on a chessboard so that they do not attack

each other? Note: a bishop can move any number of squares diagonally. A bishop on a white square, therefore, moves along white squares only. A bishop on a black square moves diagonally along black squares only.
Mathematics
1 answer:
Olenka [21]4 years ago
3 0

Answer:

use the formula of permutation and combination

Step-by-step explanation:

You might be interested in
2/7 divided by 1/4 =
dem82 [27]

Answer: 8/7

Step-by-step explanation:

To solve 2/7 ÷ 1/4,

Step 1: rewrite as-

2/7 × 4/1

=8/7

I hope this is clear.

4 0
3 years ago
Which of the following statements is true?
emmainna [20.7K]

Given:

A figure of a circle.

To find:

The correct statement for the given figure.

Solution:

According to the tangent secant theorem, if two tangents or two secants are drawn to the circle from an exterior point, then the measure of angle between the tangents or secants is:

\text{Exterior angle}=\dfrac{1}{2}(\text{Difference between intercepted arcs})

\text{Exterior angle}=\dfrac{1}{2}(\text{Larger arc - smaller arc})

In the given figure, the exterior angle is 32 degrees, larger arc is QAI and smaller arc is QI.

32^\circ=\dfrac{1}{2}(m(arcQAI)-m(arcQI))

Therefore, the correct option is C.

4 0
3 years ago
Prove angle BCD is congruent to angle FED
mash [69]
With no given information, we're not sure that it actually is.
We don't even know for sure whether the two angles are
even on the same planet.
7 0
3 years ago
I need help with this please.
sertanlavr [38]

Answer:

20

Step-by-step explanation:

70 charges in one hour, 90 charges in two hours, 110 charges in three hours and so on

3 0
3 years ago
Read 2 more answers
XY and WZ are straight line segments. The angle marked d = 60°. Find the values of a, b and c. Explain the reasons for your answ
-Dominant- [34]

Answer:

a=60 b=120 c =120

Step-by-step explanation:

a is opposite b which means it is 60.

Therefore b and c are the same.

b is 360-60×2=240 left.

b is 240 divided by 2 which is 120 each

6 0
3 years ago
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