The graph of y=x^2 and y=cosx intercept in how many points?
Answers
The graph y=x^2 is very basic so I suppose you know how it looks like.
It's like a U and starts from the origin (0,0)
The graph y=cosx is similar to y=x^2 but in a different way.
y=cosx doesn't pass from (0,0) it passes from (0,1) and then to (-1,0) and (1,0).
Basically, it goes like this..
~
If you know how the two graphs look like then you can understand why they intercept only two times.
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There are 25 gold cards and 25 silver cards in a deck. The gold cards are number 1,3,5,.....49 and the silver cards are numbered 2,4,6,.....50. The cards are thoroughly shuffled and one card is randomly selected.A.) Find the probability of selecting a gold card or a card with a multiple of 10 on it. B.) Find the probability of selecting a silver card or a card with a multiple of 7 on it.
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Answers
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Answer:
x = 14.5
Step-by-step explanation:
I don't understand the 1st answer, so I'll have a go.
If you've written it correctly, wouldn't you just add everything up? The parentheses are irrelevant the way it's written:
(6x + 1) + (6x + 5) = 180 becomes:
6x + 1 + 6x + 5 = 180 Combine like terms:
12x + 6 = 180
12x = 174
x = 14.5
But since it doesn't come out to be a whole number, maybe you've written the question wrong? Could it be:
(6x + 1)(6x + 5) = 180
+ 36x + 6 = 180
+ 36x - 174 = 0
Then you could apply the quadratic formula.
You'd get x = 1.75 or - 2.75.
Those are weird numbers, so I suspect your question isn't really the product of those two expressions.
Answers
The resulting expression is 1.5 times the quantity (a - 3).
What is algebraic Expression?
Any mathematical statement that includes numbers, variables, and an arithmetic operation between them is known as an expression or algebraic expression. In the phrase 4m + 5, for instance, the terms 4m and 5 are separated from the variable m by the arithmetic sign +.
To factor the coefficient from 1.5a - 4.5, we can first factor out the greatest common factor (GCF) of the two terms.
The GCF of 1.5a and 4.5 is 1.5:
1.5a - 4.5 = 1.5(a - 3)
So, we have factored out the coefficient of 1.5 from the original expression.
The resulting expression is 1.5 times the quantity (a - 3).
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1.5a - 4.5 = 1.5 × a - 1.5 × 3 = 1,5(a - 3)
Answers
Answer:
The answer is 5 to 12. With this kind of problem all you need to do is make the numbers switch places. So it is 5 to 12, not 12 to 5. Hope this helped! :) (Btw, I am in Middle school lol. Why are u doing this in High School XD)
Step-by-step explanation:
Answers
(7 cm/minute) x (1 minute / 60 seconds) x (1 foot / 30.48 cm) =
(7 x 1 x 1) / (60 x 30.48) (foot/second) =
0.00383 feet/sec (rounded)
Final answer:
To convert the snail's pace from 7 cm/min to feet per second, divide by 60 to get cm/s, then divide by 30.48 to convert to feet resulting in approximately 0.00383 ft/sec.
Explanation:
The student has asked how to convert a snail's pace from centimeters per minute to feet per second. First, we need to know the conversion factors: there are 2.54 centimeters in an inch and 12 inches in a foot. Therefore, there are 30.48 centimeters in a foot (12 inches × 2.54 cm/inch).
To convert from centimeters per minute to feet per second, we follow these steps:
- Convert the speed to centimeters per second by dividing by 60, since there are 60 seconds in a minute.
- 7 cm/min ÷ 60 sec/min = 0.1167 cm/sec
- Convert centimeters to feet by dividing by the number of centimeters in a foot.
- 0.1167 cm/sec ÷ 30.48 cm/ft = 0.00383 ft/sec
So, the snail's pace in feet per second is approximately 0.00383 ft/sec.
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Answers
Answer:
When the scale factor between two circles is “x” the scale factor between the radius is also “x” and the scale factor of the area is “x^2"
this is only one possible answer. For example, instead of radius, you could have put diameter or circumference.