#24, the wording of the question throws me off.

Mathematics

1 answer:

dedylja [7]3 years ago

5 0

I believe that the question is asking if there is a large variation between the results or not, as it asks if the births are with equal frequency. Since the largest is 72 and the smallest is 43 (for a 29 number difference), it doesn't seem like they are with the same frequency

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If c=5 and d=4 what is 6c squared minus 5d plus 8?

Ymorist [56]

6c^2-5d+8
6 (5)^2-5(4)+8
30^2-20+8
900-20=8
880-8=872
ANSWER:872

5 0

3 years ago

You are using extension ladders to paint a chimney that is 33 feet tall. The length of an extension ladder ranges in 1 foot inte

Alexus [3.1K]

Answer:

The ladder has to be 65 feet long to the nearest foot.

Step-by-step explanation:

The height of the chimney from the ground is the sum of the height of the wall and the height of the chimney.

Therefore, the height of the chimney from the ground = (30 + 33) = 63 feet.

Now, the ladder makes a right triangle with the ground and the chimney and the ladder makes an angle of 75.5° with the ground.

Therefore, using trigonometry we can write,

$\sin 75.5 ^{\circ} = \frac{\textrm {The height of the chimney from the ground}}{\textrm {Length of the ladder}} = \frac{63}{\textrm {Length of the ladder}}$