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k0ka [10]
3 years ago
5

Mr perez buys 3 sets of cards. Each set comes with 18 striped cards & 12 polka dot cards. He uses 49 cards. How many cards d

oes he have left?
Mathematics
1 answer:
klasskru [66]3 years ago
3 0

Answer:

Step-by-step explanation:

Step 1: 3 times ((18 + 12) times 2)

Step 2: 180 is the answer for the step in step 1. 180-49=131

Step 3: The answer is 131.

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An 8-pound bag of tomatoes costs $5.60. At the same rate, what would be the cost of 11 pounds of tomatoes?
Evgesh-ka [11]
Here is the solution to the given problem above.
Given that for an 8 pound bag of tomatoes costs $5.60, we would want to know how much will it be for 11 pounds. First, we should know how much does it cost per pound. So 5.60 divided by 8 is 0.7. So per pound of tomatoes costs $0.7. Now to know how much for 11 pounds, we multiply 0.7 by 11 and we get $7.70. The correct answer therefore would be option C. $7.70. Hope this answer helps.
5 0
3 years ago
Complete the input-output table:<br><br> x 3x + 7<br><br> 0 <br> 4 <br> 8 <br> 14
salantis [7]

Step-by-step explanation:

When x = 0,

3x + 7

= 3 ( 0 ) + 7

= 0 + 7

= 7

When x = 4,

3x + 7

= 3 ( 4 ) + 7

= 12 + 7

= 19

When x = 8,

3x + 7

= 3 ( 8 ) + 7

= 24 + 7

= 31

When x = 14,

3x + 14

= 3 ( 14 ) + 14

= 14 ( 3 + 1 )

= 14 ( 4 )

= 56

3 0
2 years ago
Suppose that the perimeter a rectangle is 54 feet, and the length is 13 feet more than the width. Find the width ractangle, in f
Vesnalui [34]

Answer:7feet

Step-by-step explanation:

perimeter(p)=54ft

Width(w) +13=Length(L)

Perimeter=2xLength+2xwidth

P=2xL+2xw

L=w+13

54=2(w+13)+2w

54=2w+26+2w

Collect like terms

54-26=2w+2w

28=4w

Divide both sides by 4

28/4=4w/4

7=w

Width =7feet

8 0
3 years ago
Molly has 24 muffins, 18 breakfast bars, and 12 bottles of juice to be distributed evenly among a certain number of welcome bask
Zepler [3.9K]

Answer:

b and c

Step-by-step explanation:

4 0
3 years ago
In a recent test, you scored 1.0 standard deviations above the average score attained, and the scores are normally distributed.
sesenic [268]

Answer:

97.75 %

Step-by-step explanation:

You score 1 standard deviation above the mean

a) we have from left tail up to the mean 50 % of all values

b) We have in the interval  [ μ  -  σ  ;  μ  +  σ ] 95.5 % of all possible values, if we divide that 95.5 by 2 we get 47.75 %,  the part of the values that correspond to the right, then in order to get the  % of students scored lower we add

50  +  47.75   = 97.75 %

So you can say that the porcentage of students that scored lower than you is 97.75 %

3 0
3 years ago
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