If angle A B C is congruent to angle C B D find x.

Mathematics

1 answer:

madam [21]2 years ago

4 0

X+1=4x-2
+2 +2
x+3=4x
-x -x
3=3x
1=x

You might be interested in

A local pizzeria offers 15 toppings for their pizzas and you can choose any 3 of them for one fixed price. How many different ty

Shtirlitz [24]

Answer:

455 or 680, depending

Step-by-step explanation:

If we assume the three choices are different, then there are ...

15C3 = 15·14·13/(3·2·1) = 35·13 = 455

ways to make the pizza.

___

If two or three of the topping choices can be the same, then there are an additional ...

2(15C2) +15C1 = 2·105 +15 = 225

ways to make the pizza, for a total of ...

455 + 225 = 680

different types of pizza.

There is a factor of 2 attached to the number of choices of 2 toppings, because you can have double anchovies and tomato, or double tomato and anchovies, for example, when your choice of two toppings is anchovies and tomato.

_____

nCk = n!/(k!(n-k)!)

6 0

3 years ago

Light bulbs manufactured at a certain factory have a 3% probability of being defective. What is the probability that 5 out of a

Eddi Din [679]

There is a 3% chance of each light bulb being defective, and we only want 5 of them to be defective. The chance is then:

$3\%^5*97\%^{25}$

Or this really small number: 1.13474853e-8

5 0

3 years ago

For a ride on a rental scooter, John paid an $8 fee to start the scooter plus 6 cents per minute of the ride. The total bill for

enot [183]

The linear equation is $8+0.06x=19.94$ and John rode the scooter for $199$ minutes.