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3 years ago

A jar lid has a diameter of 42 millimeters. What is the circumference of the lid? Use 22/7 for π.

1 answer:

3 0

The formula for the circumference is pi times the diameter.

The circumference is 42 x 3.14.

42 x 3.14 = 131.88mm

The answer would be D.

Hope this helps!

- Juju

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What is the final amount if 865 is decreased by 16% followed by a 14% increase?

Harman [31]

Answer:

828.32

Step-by-step explanation:

865 x (1 - 0.16) x (1 + 0.14) = 828.32

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4 years ago

Is the point 3/5 and 4/5 corresponds to an angle in the unit circle what is the csc

Mariulka [41]

Answer:

csc = 5/4

Step-by-step explanation:

Assuming that the two given points 3/5 and 4/5 are the two sides of a triangle and a right angle 0 with legs x and y and z as its hypotenuse.

Then using Pythagoras Theorem:

$z^2=x^2+y^2$

$z^2=(\frac{3}{5} )^2+(\frac{4}{5} )^2$

$z^2 = \frac{9}{25} + \frac{16}{25}$

$z^2=\frac{25}{25}$

$z^2=1$

Taking square root on both the sides:

$z=1$

Now, $sin\alpha=\frac{4}{5}$

and we know that $csc = \frac{1}{sin\alpha }$

Therefore, csc = 5/4.

8 0

4 years ago

What value of x makes the equation 5 (x-1)-8= -5 +4 (x-2) true? need anwser asap

Mnenie [13.5K]

Answer:

you haft to

Step-by-step explanation:

tgake the 6 and the 1 and divide it by 468. then you have to do 1 + 76 and u get anser. hope you liked anser :)

6 0

4 years ago

Read 2 more answers

Please help! (giving extra points)

SVETLANKA909090 [29]

The answer is 2 2/3
The work for it:

3 0

3 years ago

Read 2 more answers

A ship at sea, the Gladstone, spots two other ships, the Norman and the Voyager, and measures the angle between them to be 48°.

ratelena [41]

Answer:

=3501 yards.

Step-by-step explanation:

The three ships form a triangle. From the Voyager the angle between the Norman and the Gladstone=180-(55+48)=77°

Let the position of the Voyager be V that of Norman be N and that of the Gladstone be G

Then, the distance between Norman and voyager is g

g/sin G=v/ Sin V

4590/Sin 77=g/Sin 48

g=(4590 Sin 48)/Sin 77

=3500.8 yards

The distance between the Norman and the voyager= 3501 yards.

3 0

3 years ago