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maks197457 [2]
3 years ago
13

Jason and David each decide to collect baseball cards. Jason has 37 cards and David has 42 cards to begin with. Jason decides to

buy 4 more cards each week and David decides to buy 3 each week. A - (blank 1) Write an expression for the number of cards that Jason has, given the number of weeks (w) that he collects. B - (blank 2) Write an expression for the number of cards that David has, given the number of weeks (w) that he collects. C - (blank 3) How long (in weeks) will it take for Jason and David to have the same number of baseball cards?
Mathematics
1 answer:
kobusy [5.1K]3 years ago
4 0
2y+4x turns out like that eventually
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Find the sum that amounts to Rs 9,144 in 3 years at 9% per year simple interest.​
Hunter-Best [27]

Given:

Amount = Rs. 9,144

Time = 3 years.

Rate of simple interest = 9%

To find:

The principal value.

Solution:

The formula for simple interest is:

I=\dfrac{P\times r\times t}{100}

Where, P is principal, r is the simple rate of interest, and t is the number of years.

Putting r=9,t=3 in the above formula, we get

I=\dfrac{P\times 9\times 3}{100}

I=\dfrac{27P}{100}

I=0.27P

We know that,

\text{Amount}=\text{Principal + Interest}

9144=P+0.27P

9144=1.27P

Divide both sides by 1.27, we get

\dfrac{9144}{1.27}=P

7200=P

Therefore, the principal value is Rs. 7200.

8 0
3 years ago
Please help with this.
a_sh-v [17]

The slope is -3/4

Step-by-step explanation:

You figure this out by using the Rise/Run method.

The rise is how many units up (+) or how many units down (-) the points are away from each other, and rise is how many units to the left or right the points are away from each other.

Since the line is going at a downward angle, we can tell that the slope will be a negative slope. We can see that the 2nd point is 3 units down from the first, and the 2nd point is 4 units to the right of the first one. With this information, we can figure out that the slope is -3/4

8 0
2 years ago
Read 2 more answers
Can you guys help and put these in order?
PtichkaEL [24]
-3, -2.5, -3/4, 1/4, 3.1, 16/5, 6. I can’t see the other numbers, so it’s just these
7 0
3 years ago
Please help me with this
laiz [17]

Answer:

u= 18 square millimeters

Step-by-step explanation:

The surface area formula is A=6a^2

You plug in the given surface area (1944) into A.

Divide both sides of the equation by 6. On the left you will get 324 and on the right you will eliminate 6 and get a^2.

The only way to get rid of an exponent is to square root it, and whatever you do to one side you have to do to the other. The square root of 324 is 18 and that is your answer.

6 0
3 years ago
Jamie has $114.56 in her savings and count and her bank just raised the interest paid on her savings account by 1/2%. if her old
zaharov [31]

Answer:

0.5025%

Step-by-step explanation:

The question is on increase and decrease

The old interest rate= .5%⇒0.5%

percentage increase= 1/2%= 0.5%

New rate= it requires you to increase 0.5 by 0.5%

New rate is ⇒100%+ 0.5%=100.5%

New rate⇒(100.5/100)×0.5 =0.5025

New rate as a decimal is 0.5025%

5 0
3 years ago
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