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kolbaska11 [484]
3 years ago
11

Which are equivalent ratios to 4:9?

Mathematics
1 answer:
Firdavs [7]3 years ago
7 0
The second, third, and fifth are equal to 4:9.
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Maurice spent 1/2 of his money on lunch. He had 2.50 left.<br> How much money did he start with?
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Answer:

5.0

Step-by-step explanation:

1÷2=2.5

1=2.50×2

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2. (5 + 4i) – (—3 – 3i)
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To make fruit punch mrs,Casey adds 1,200mL of water to 800 mL of syrup.How many liters of fruit punch does she make.
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I need help for this, thanks
gulaghasi [49]

(a) Yes all six trig functions exist for this point in quadrant III. The only time you'll run into problems is when either x = 0 or y = 0, due to division by zero errors. For instance, if x = 0, then tan(t) = sin(t)/cos(t) will have cos(t) = 0, as x = cos(t). you cannot have zero in the denominator. Since neither coordinate is zero, we don't have such problems.

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

(b) The following functions are positive in quadrant III:

tangent, cotangent

The following functions are negative in quadrant III

cosine, sine, secant, cosecant

A short explanation is that x = cos(t) and y = sin(t). The x and y coordinates are negative in quadrant III, so both sine and cosine are negative. Their reciprocal functions secant and cosecant are negative here as well. Combining sine and cosine to get tan = sin/cos, we see that the negatives cancel which is why tangent is positive here. Cotangent is also positive for similar reasons.

5 0
3 years ago
Imagine you have five total nieces and nephews and their ages are 4, 10, 8, 9, and 5. What is the average age of your nieces and
Eddi Din [679]

Answer:

The mean is 7.2 and the median ( average) is 8

Step-by-step explanation:

4 + 10 + 8 + 9 + 5 = 36 / 5

The mean is 7.2 and the median ( average) is 8

7 0
3 years ago
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