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AURORKA [14]
1 year ago
8

Find the measures of the complementary angles that satisfy each case. The measure of the first angle is 40% less than the measur

e of the second.
Mathematics
1 answer:
AlekseyPX1 year ago
8 0

The measure of the angles are 56.25° and 33.75°.

<h3>How to calculate the angles?</h3>

The value in a complementary angle is equal to 90°.

Let the first angle = x

The second angle will be: 1 - (40% × x) = 1 - 0.4x = 0.6x

Therefore, they'll be added together as follows:

x + 0.6x = 90°

1.6x = 90°

Divide

x = 90/1.6

x = 56.25

The second angle will be:

= 0.6x

Since x = 56.25, this will be used in the illustration below.

= 0.6x

= 0.6 × 56.25

x = 33.75

Therefore, the second angle is 33.75.

This illustrates the concept of complimentary angles.

Learn more about angles on:

brainly.com/question/25716982

#SPJ1

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Answer: $16.15

Explanation:

Discount = 10% x $8.50 = 0.1 x $8.50 = $0.85
Price after discount = $8.50 - $0.85 = $7.65

Total Amount = $8.50 + $7.65 = $16.15


4 0
3 years ago
If PA. = 0.8, PB. = 0.3 and P(A|B) = 0.6, what is P(A and B)
Sergio [31]

Answer:

p(A∩B) = 0.18

Step-by-step explanation:

<u><em>Formula</em></u> :

p\left( A|B\right)  =\frac{p\left( A\cap B\right)  }{p\left( B\right)  }

………………………………

⇒ p(A∩B) = p(B)×p(A/B)

⇒ p(A∩B) = 0.3 × 0.6

                = 0.18

8 0
2 years ago
4x + y =6<br> -5x - y = 21
viva [34]

Answer:

Step-by-step explanation:

Adding equation 1 and 2 we have

-x=27

Therefore x= -27

Substituting the value of x into equation 2 we have

-108+y = 6

y = 114

8 0
4 years ago
Can someone Help me with this question ASAP!
JulsSmile [24]

Answer:

A =5

Step-by-step explanation:

From the Pythagorean theorem

3 0
4 years ago
Read 2 more answers
A scientist has discovered an organism that replicates at a rate of five per hour and lives for one week. Each replicated organi
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At hour one, there is 1 organism. At hour two, there is five more organism. At hour three. there will be 6 x 5 = 30 more organisms, etc

This is a geometric sequence with a = 1 (i.e. number of organisms at hour one), r = 5 (number of reprications per hour).

The total number of organisms at hour seven is the sum of the first seven terms of the sequence given by a(r^n - 1)/(r - 1) = 1(5^7 - 1)/(5 - 1) = (78125 - 1)/4 = 78124/4 = 19,531
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3 years ago
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