This conjecture is false, A and C don't have to be complementary angles.

Let Angle A be 100 and Angle B be 80 degrees. They are supplementary (sum of 180).
Let Angle C be 100 and Angle B is still 80 degrees. They are supplementary.

However, Angle A and Angle C are not complementary (sum of 90).

4 0

2 years ago

4 hundreds = how many tens

Andre45 [30]

So ten tens = 100 so u multiply and u get 40 tens which are 400= 4 hundreds

6 0

2 years ago

Read 2 more answers

What is x and y 2x-3y=-1,y=x-1?

kenny6666 [7]

Answer:

Step-by-step explanation:

2x-3x[x-1]

=2x-3x+1

=-x+1

7 0

2 years ago

Donald Duck's car gets 30 miles per gallon. How many miles can he drive on 9.2 gallons of gas? At $ 2.19 a gallon, how much woul

Vinil7 [7]

Answer:

276 miles, $ 20.148

Step-by-step explanation:

Given:

Donald Duck's car travels in 1 gallon gas = 30 miles

Cost of 1 gallon = $ 2.19

Question asked:

Distance travel in 9.2 gallons = ?

Cost of 9.2 gallons of gas = ?

Solution:

By applying unitary method:

His car travels in 1 gallon = 30 miles

His car will travel in 9.2 gallons = $9.2\times30$

= 276 miles

Cost of 1 gallon = $ 2.19

Cost of 9.2 gallons = $9.2\times2.19$

= $ 20.148

5 0

2 years ago