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Mnenie [13.5K]
3 years ago
7

Jason bought 7 new baseball trading cards to add to his collection. The next day his dog ate half of his collection. There are n

ow only 30 cards left. How many cards did he start with?
Mathematics
2 answers:
swat323 years ago
8 0

Answer:

53

Step-by-step explanation:

53+7=60-half=30

Stels [109]3 years ago
5 0

Answer:

geegegtkfifigjfjrjicirjjfigjrkivigk

Step-by-step explanation:

bgfeefcfifirifiridurjfjdjdjdjdj

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Jan noticed at the store that a sweater costs $3.95 more than a shirt. she bought 3 shirts and 2  sweaters and the total costs (
grandymaker [24]
Lets say the price of a shirt is X, then the price of sweater is X + 3.95

Since a total cost is 71.65 for 3 shirts and 2 sweaters. 71.65 = (3*X) + 2*(X+3.95)

So, 71.65 = 3X + 2X + 7.9

71.65 - 7.9 = 5X

12.75 = X. Therefore, the price of a shirt is 12.75 dollars, and the price of a sweater is 16.7 dollars (12.75 + 3.95)

** 
5 0
3 years ago
Find the volume of the prism.
Rzqust [24]

Answer:

11,968

Step-by-step explanation:

I'm not sure, but I think its 11,968

8 0
3 years ago
3. -1867-6(171-6)+5<br> Do y’all know the answer ?
olchik [2.2K]

Answer:

- 2852

Step-by-step explanation:

- 1867 - 6( 171 - 6) =  - 2857 \\  - 2857 + 5 =  - 2852

DO NOT FORGET THE BODMASS law

3 0
3 years ago
What is 400 percent as a mixed number?
prohojiy [21]
You can put 400/100 to get the fraction 4/1 or 4, it is not a mixed number though. So the final answer is 4
8 0
3 years ago
Please help me with this! Picture is provided and only answer is you know it!
Sophie [7]

Answer:

Option A

Step-by-step explanation:

Number of components assembled by the new employee per day,

N(t) = \frac{50t}{t+4}

Number of components assembled by the experienced employee per day,

E(t) = \frac{70t}{t+3}

Difference in number of components assembled per day by experienced ane new employee

D(t)= E(t) - N(t)

D(t) = \frac{70t}{t+3}-\frac{50t}{t+4}

      = \frac{70t(t+4)-50t(t+3)}{(t+3)(t+4)}

      = \frac{70t^2+280t-50t^2-150t}{(t+3)(t+4)}

      = \frac{20t^2+130t}{(t+3)(t+4)}

      = \frac{10t(2t+13)}{(t+4)(t+3)}

Therefore, Option A will be the answer.

3 0
3 years ago
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