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kykrilka [37]
3 years ago
7

Compute the total cost per year of the following pair of expenses. Then complete the sentence: On an annual basis, the first set

of expenses l Vern buys four lottery tickets each week at a cost of $5 each and spends 5650 per year on his textbooks % of the money spent to buy textbooks On an annual basis, the money spent on lottery tickets is (Round to the nearest percent as needed)
Mathematics
1 answer:
Orlov [11]3 years ago
8 0

Answer:

% of the money spent to buy textbooks On an annual basis = 18.40%

The total amount spent on the tickets per year = $1040

Step-by-step explanation:

Given:

Number of lottery tickets bought per week = 4

Cost of each lottery ticket = $5

Amount spent on books per year = $5650

Now,

The total amount spent on the tickets per year

= Total number of weeks per year × 4 × $5

= 52 × 4 × $5

= $1040

% of the money spent to buy textbooks On an annual basis

= \frac{\textup{Amount spent on lottery tickets per year}}{\textup{Amount spent on buying books per year}}\times100

=  \frac{\textup{1040}}{\textup{5650}}\times100

= 18.40%

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Answer:

Step-by-step explanation:

7x - 1 + 6x - 1 = 180

13x - 2 = 180

13x = 182

x = 14

7(14) - 1 = 98 - 1= 97

6(14) - 1 = 84 - 1 = 83

6 0
3 years ago
Solve the following system of equations. 2x + y = 3 x = 2y - 1 Make sure there are NO SPACES in your answer. Include a comma in
Natalka [10]
2x + y = 3
x = 2y - 1

solve for y in the first equation;
2x + y = 3
y = 3 - 2x 

x = 2y - 1
x = 2(3 - 2x) - 1
x = -4x + 5

solve for x;
x = -4x + 5
x + 4x = 5
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y = 3 - 2x
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the answer is: x = 1, y = 1

hope this helps, God bless! 
8 0
2 years ago
Look at the graph and tell me why it is proportional or nonproportional and why?
andreyandreev [35.5K]

Answer:

I think it is not proportional because the line is supposed to go thro the middle of each dot, and some of the dots don't have a line thro the middle only on the side or not even on the dot.

Hope this helps!

Step-by-step explanation:

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8 0
2 years ago
A rectangle has a length of 4 mm has an area is 44 mm² width of the rectangle is
nordsb [41]
The answer is : w=1.1×10^7mm
5 0
2 years ago
Read 2 more answers
10. The probability of buying pizza for dinner is 34% and the probability of buying
kipiarov [429]

Answer:

The probability of eating pizza given that a new car is bought is 0.952

Step-by-step explanation:

This kind of problem can be solved using Baye’s theorem of conditional probability.

Let A be the event of eating pizza( same as buying pizza)

while B is the event of buying a new car

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P(B) = 15% = 15/100 = 0.15

P(B|A) = 42% = 0.42

P(B|A) = P(BnA)/P(A)

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Now, we want to calculate P(A|B)

Mathematically;

P(A|B = P(A n B)/P(B)

Kindly know that P(A n B) = P(B n A) = 0.1428

So P(A|B) = 0.1428/0.15

P(A|B) = 0.952

4 0
3 years ago
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