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never [62]
2 years ago
7

Find the sine ratio for ∠D. a. 7/25 b. 24/7 c. 25/24 d. 24/25

Mathematics
1 answer:
Shalnov [3]2 years ago
8 0

Answer:

sin ∠D = 24/25

Step-by-step explanation:

sin = opposite / hypotenuse

Looking at ∠D, the opposite side is 24, hypotenuse is 25

Therefore sin = 24/25

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Gina has a jar of marbles that contains 7 blue marbles, 5 red marbles, and 8 green marbles. She randomly selects a marble, recor
BigorU [14]

The probability that Gina randomly selected two red marbles is 1/19

<u>Explanation:</u>

Total number of marbles = 7 + 5 + 8

                                          = 20

The probability of getting two red marbles in the fraction form is given as:

P(first red marble) = number of red marbles / total number of marbles

P(first red marble) = \frac{5}{20} = \frac{1}{4}

P(second red marble) = number of red marbles after 1 white marble is removed / total number of marbles after 1 red marble is removed.

P(first red marble) = \frac{4}{19}

P(two red marbles) = P(first) X P(second)

                              = \frac{1}{4} X \frac{4}{19}

                              = \frac{1}{19}

Therefore, the probability that Gina randomly selected two red marbles is 1/19

6 0
3 years ago
Hello! :)
Drupady [299]

Answer:

The correct answer is A.

Step-by-step explanation:

The rule with a function is every input has exactly one output. In the answer choices b, c, and d all of them has a repeating input or x value.

8 0
2 years ago
At 6 AM, the temperature in Volusia, California was 46℉. By 4 PM, the temperature had risen to 57℉. What was the change in tempe
pshichka [43]

Answer:

The correct answer is 11°F.

Step-by-step explanation:

To solve this problem, we simply need to find the change in temperature.  This is modeled below:

Change in temperature = final temperature - initial temperature

Change in temperature = 57 - 46 = 11

Therefore, the correct answer is 11 degrees Fahrenheit.  

Hope this helps!

7 0
3 years ago
Read 2 more answers
What number is 25% of 400 please show work thank you
ANEK [815]

Answer:

100

Step-by-step explanation:

well, you can just use a calculator, or your mind if that's possible, to solve this.

at least, what i think you're asking.

400 × 0.25 = 100.

this one is extra easy because you should know that 25% is a quarter, and 400 can just be divided by 4 to get your answer.

6 0
2 years ago
If you answer these questions correctly with an explanation you can get Brainliest
Zina [86]
1. B 2. A i’m pretty sure they are right
7 0
2 years ago
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