1 year ago

Select all pairs of complementary angles in the diagram.

1 answer:

3 0

Answer:

Step-by-step explanation:

Complementary angles sum to 90 degrees.

< BAF and < BFA

<CDE and < CED.

Supplementary ( sum to 360):

< FBC and <BFE

<BCE and < FEC.

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Natasha2012 [34]

Answer:

Step-by-step explanation:

x/75=7.25/100

Cross Multiply

100x = 543.75

Simplify

x=5.4375

Multiply By The Number Of Years

5.4375 x 4 = 21.75

Subtract From The Original Number

75-21.75 = 53.25

<h2>Round it down (You cant have a quarter o a sheep. It would be dead)</h2><h2>53</h2>

3 0

2 years ago

Illusion [34]

Perimeter (P) = 2L + x

4900 = 2L + x ⇒ 4900 - x = 2L ⇒ $\frac{4900 - x}{2}$ = L

Area (A) = L · x

A = ( $\frac{4900 - x}{2}$ ) (x)

= $\frac{4900x - x^2}{2}$

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2 years ago

Mkey [24]

The probability that one would have selected 2 five-dollar bills is; 1/4.

<h3>What is the probability you will have selected 2 five-dollar bills?</h3>

It follows from the task content that the piggy bank contains; 4 one-dollar bills and 4 five-dollar bills to make a total of 8 bills.

Hence, provided the probability events are carried out with replacement, the probability to have selected 2 five-dollar bills is;

= 4/8 × 4/8

= 1/4.