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Mice21 [21]
2 years ago
9

At the age of 6, Travis' father gave him his baseball card collection. Now, Travis collects baseball cards. He collects an avera

ge of 500 cards a year. The collection that Travis received from his father had 3,500 cards in it. How old will Travis be when he has 6,000 cards in his collection?
Mathematics
1 answer:
DIA [1.3K]2 years ago
7 0

Answer:

A

Step-by-step explanation:

You might be interested in
He equation 2x + 8 = 2(x + 5) has
Illusion [34]

Answer:

No solution.

Step-by-step explanation:

The equation 2x + 8 = 2(x + 5) has no solution  as we see if we simplify it:

2x + 8 = 2x + 10

2x - 2x = 10 -8

0 = 2 which is absurd.

6 0
3 years ago
Which expressions is not equivalent 2x^2+10x+12?
sergeinik [125]

Answer:

C

Step-by-step explanation:

First, factor the original expression:

As we can see, D is the same as above. Eliminate D.

Go through each of the answer choices.

A:

This is equivalent to what we factored. Eliminate A.

B:

This is again equivalent to what we factored. Eliminate B.

C:

This cannot be simplified and it is not equivalent to what we have previously. C is not the equivalent expression.

7 0
2 years ago
A bag has 4 Green marbles, 3 Red marbles, and 3 Yellow marbles. what is the probability that you pick a red marble, do not repla
Arte-miy333 [17]
Your probability is a 30% chance of picking up a red marble then when getting a yellow one you have a 33.3% and so on of 3s chance of picking a yellow one 

very low in my opinion 

:D
3 0
3 years ago
Jack says if you multiply a number by a fraction the product will always be smaller than what you started with. Is he correct? W
Alexus [3.1K]

Answer:

true and false

Step-by-step explanation:

6 0
3 years ago
I don't need you to work it out, just theorem(s) i need to reach the answer :)
VikaD [51]
Not sure why such an old question is showing up on my feed...

Anyway, let x=\tan^{-1}\dfrac43 and y=\sin^{-1}\dfrac35. Then we want to find the exact value of \cos(x-y).

Use the angle difference identity:

\cos(x-y)=\cos x\cos y+\sin x\sin y

and right away we find \sin y=\dfrac35. By the Pythagorean theorem, we also find \cos y=\dfrac45. (Actually, this could potentially be negative, but let's assume all angles are in the first quadrant for convenience.)

Meanwhile, if \tan x=\dfrac43, then (by Pythagorean theorem) \sec x=\dfrac53, so \cos x=\dfrac35. And from this, \sin x=\dfrac45.

So,

\cos\left(\tan^{-1}\dfrac43-\sin^{-1}\dfrac35\right)=\dfrac35\cdot\dfrac45+\dfrac45\cdot\dfrac35=\dfrac{24}{25}
7 0
3 years ago
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