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Bond [772]
3 years ago
5

A 15-inch candle burns down in 10 hours. at what rate does the candle burn in inches per hour

Mathematics
2 answers:
Monica [59]3 years ago
8 0

Answer:

5 inches per hour

Step-by-step explanation:

valentina_108 [34]3 years ago
3 0

Answer:

1.5 inches per hour

Step-by-step explanation:

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If sec(theta) =25/24, find cot(theta) (Picture provided)
larisa [96]

Answer:

B

Step-by-step explanation:

By the definition,

\sec \theta=\dfrac{\text{hypotenuse}}{\text{adjacent leg}}.

If \sec \theta=\dfrac{25}{24}, we can consider right triangle with hypotenuse 25 un. and adjacent leg 24 un. By the Pythagorean theorem,

\text{hypotenuse}^2=\text{adjacent leg}^2+\text{opposite leg}^2,\\ \\\text{opposite leg}^2=25^2-24^2,\\ \\\text{opposite leg}^2=625-576,\\ \\\text{opposite leg}^2=49,\\ \\\text{opposite leg}=7\ un.

So,

\cot \theta=\dfrac{\text{adjacent leg}}{\text{opposite leg}}=\dfrac{24}{7}.

8 0
4 years ago
Read 2 more answers
Michael gave 2/5 of his marbles to his sister. He then divided the remainder equally among his 3 friends. If each of his friends
eduard
He had 50 marbles at first
3 0
3 years ago
Which congruence theorem can be used to prove △ABC ≅ △DBC?
Tema [17]

Answer:

SAS

Step-by-step explanation:

Hope this helps :)

7 0
3 years ago
Jeremy can row 3/8 of a mile in 1/4 of an hour.
Elza [17]

Answer:

3/2 mph

Step-by-step explanation:

\frac{3}{8} = \frac{r}{4}

cross-multiply: 8r = 12

r = 12/8 or 1.5 mph

6 0
3 years ago
There are 18 female students and 16 male students in a class. Which of the following expresses the ratio of female students to m
fiasKO [112]

Hey!

-------------------------------------------------

Solution:

The ratio is FEMALES to MALES.

So its 18/16, 18:16, or 18 to 16.

~Now we need to simplify.

18:16 → 18/2:16/2 → 9:8

*Note* When you have a ratio you need to know which comes first. If you put males to females that incorrect. It has to be correct according to the question.

-------------------------------------------------

Answer:

\large\boxed{B)~9~to~8}

-------------------------------------------------

Hope This Helped! Good Luck!

4 0
3 years ago
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