MATHEMATICS MIDDLE SCHOOL

What does pi equal to?

Answers

Answer 1
Answer: Pi goes on forever ( doesn't end )

3.14159265359........................

but it stands for 3.14
Answer 2
Answer:

Pi stands for 3.14

Hope this helped ^-^

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Travis and Paula went to lunch. Travis ordered a sandwich for $7.50, and Paula ordered a burger for $5.25. After lunch, they left 15% tip for theirwaiter. How much money did they spend altogether ?

Answers

Answer: $14.66

Step-by-step explanation:

Cost of Travis sandwich= $7.50, Cost of Paula burger= $5.25.

Total cost= $7.50 + $5.25

= $12.75

After lunch, they left 15% tip for their

waiter. We calculate 15% of $12.75

= 15/100 × 12.75

= 0.15 × 12.75

= $1.91

Amount of money spent altogether will be the addition of the cost of sandwich and burger plus the tip. This will be:

= $12.75 + $1.91

= $14.66
first you have to add $7.50 and $5.25, that will equal $12.75, with that you move the decimal point to the left, tha will make 1.275 which will round up to $1.28, tha will be 10% of $12.75, more or less, with that you divide $1.28 and get .64 (cents) which would be 5% of $12.75, add up .64 and $1.28, you get $1.92, so they gave $1.92 in tip, if you want to find the total, you add up $12.75 and $1.92, where you get your answer: $14.67

Average weight in pounds of 1/8, 1/4, 3/8, 1/2

Answers

The answer to your question is 1 5/8 because you take the 1/4 times that by 2 for bith top and bottom and take the 1/2 and times that by 4 top and bottom, then you want to add all of them together.

PLEASE HELP!! Angelo and Jimmy went shopping. Angelo had a. dollars in his wallet. He spent 1/3 of that money on new jeans. Jimmy had j. dollars in his wallet. He spent 1/2 of that money on a new jacket. Jimmy had more money left than Angelo. Which expression shows the difference between the amounts of money, in dollars, that each boy had left.

Answers

Okay, so Angelo had a dollars and spent 1/3 of that. So he spent 1/3a

Then, the amount he has left can be denoted as: (a - 1/3a)


Jimmy had j dollars and spent 1/2 of it:

So the amount he has left can be denoted as (j - 1/2j)


Since jimmy had more money left, you would subtract the amount angelo has from the amount that jimmy has left.

So: (j - 1/2j) - (a - 1/3a).

The overnight temperature in Tampa never reach below 40°F during november. wich inquality shows that

Answers

x≥40 is the answer to your problem

A test has 20 questions worth 100 points. The test consists of true/false questionsworth 3 points each and multiple choice questions worth 11 points each. How many multiple choice questions are on the test? A. 10 mc, 10 t&f
B. 7 mc, 13 t&f
C. 2 mc, 18 t&f
D. 5 mc, 15 t&f

Answers

answer is D) 5 mc, 15 t&f
you have two unknown variables, thus you need two equations

definitions:
a = quantity of multiple choice questions
b = quantity of true and false questions

100 points = a*11 points/question + b*3 points/question
20 questions = a +b

using 2nd equation, find equation for 'a':
a = 20 - b

substitute this equation for 'a' into 1st equation:
100 = 11a + 3b
100 = 11(20 - b) + 3b
100 = 220 - 11b + 3b
100 - 220 = -8b
-120 = -8b
-120/-8 = b
15 = b

resolve 2nd equation now knowing value of 'b':
a = 20 - b
a = 20 - 15
a = 5

verify solution is correct by substituting values into first equation
11a + 3b = 100
11(5) + 3(15) = 100
55 + 45 = 100
100 = 100 [OK]

verify solution is correct by substituting values into second equation
a + b = 20
5 + 15 = 20
20 = 20 [OK]

Final answer:

There are 5 multiple-choice questions on the test.

Explanation:

The total number of points for the test is 100. Let's assume there are x multiple-choice questions on the test. Each multiple-choice question is worth 11 points. So the total number of points for multiple choice questions is 11x. The remaining points, 100 - 11x, are for the true/false questions, each worth 3 points. To find the number of multiple-choice questions, we need to solve the equation: 11x + 3(20 - x) = 100.

Simplifying the equation gives us: 11x + 60 - 3x = 100. Combining like terms gives us: 8x + 60 = 100. Subtracting 60 from both sides gives us: 8x = 40. Dividing both sides by 8 gives us: x = 5.

Therefore, there are 5 multiple-choice questions on the test.

Learn more about the Number of multiple-choice questions here:

brainly.com/question/20936056

#SPJ12

Which is true of point H at (3, –1)? A. Point H is above the x-axis. B. Point H is to the right of the y-axis. C. Point H is to the left of the y-axis. D. Point H is 3 units from the origin.

Answers

B. point H is to the right of y axis
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