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iragen [17]
3 years ago
5

What is the relationship between the sine and cosine of complementary angles? a They are the same. b They are reciprocals. c The

re is no relationship d They equal 0.
Mathematics
1 answer:
yanalaym [24]3 years ago
6 0

Answer:

A. They are the same.

Step-by-step explanation:

The sine of any acute angle is equal to its cosine.

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A teacher needs 70 lengths of string cut to 40cm each. If balls of string are 10 m long, how many balls will be needed.
Genrish500 [490]

Answer:

3

Step-by-step explanation:

A ball is 10 meters. Since 100 centimeters are in a meter, each ball has 100*10 = 1000 centimeters.

The teacher needs 70 strings each 40 centimeters. The total amount they need is 70*40 = 2800 centimeters.

Since a ball has 1000 centimeters, 2800 centimeters will need 3 balls for a total of 3000 centimeters.

5 0
3 years ago
2. Which of the following is the equation of a circle with the radius of 1.5 and its center at (-3,2)?
Iteru [2.4K]
(x - xo)^2 + (y - yo)^2 = r^2

[x - (-3)]^2 + [y - (2)]^2 = (1.5)^2

(x+3)^2 + (y-2)^2 = 2.25

Answer: option C

8 0
3 years ago
The design of a microchip has the scale 40:1. The length of the design is 18cm, find the actual length of the micro chip?​
zimovet [89]

Answer:

0.45 cm

Step-by-step explanation:

Actual length of the micro chip

=  \frac{1}{40}  \times 18 \\  \\  =0.45 \: cm

4 0
3 years ago
5x – 24 &gt; 26 <br> what is the solution to the inequality?
ozzi

Answer:

x > 10

Step-by-step explanation:

5x - 24 > 26

Add 24 on both sides.

5x -24 + 24 > 26 + 24

5x > 50

Divide by 5 on both sides.

x > 50 ÷ 5

Find x.

x > 10

6 0
3 years ago
In the given figure x = 145º. What theorem can be used to prove the lines p and a
Nadusha1986 [10]

Answer: I upl⁣oaded t⁣he a⁣nsw⁣er to a fi⁣le hos⁣ting. Her⁣e's li⁣nk:

Step-by-step explanation:

4 0
3 years ago
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