Answers
Related Questions
The library charges $0.75 a day for overdue videos and $0.12 a day for overdue books. Emily pays a total of $3.48 in late fees. How many days late were the items?
Answers
Add $0.75 to $0.12 you get $0.87
Divide $3.48 by $0.87 you get 4
The science department buys the equipment shown in the table they bought all three items this year and how many years will they have had by all three items again
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MIcroscopes Every 5 years
Safety goggles Every 4 years
Test Tube Every 2 years
It would take 20 years for them to buy these three items at the same time.
We simply need to find the LCM or least common multiple of the 3 items using the number of years.
Microscopes - 5 years → 5, 10, 15, 20
Goggles - 4 years → 4, 8, 12, 16, 20
Test tubes - 2 years → 2, 4, 6, 8, 10, 12, 14, 16, 18, 20
1\4 15\100 is it >,<, or =
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25/100 > 15/100
hope this helps
What is the product of 5 + 2i and 7 + 3i?
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1) 5-2i or 5-2
2) 7-3i or 7-3
10 friends go out to lunch and order 9 large pizzas. The friends divide the pizzas evenly. Find how much pizza each friend got as a decimal
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Hope I helped :)
Write two multiplication expressions that have a product of 20,000.
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5,000x4=20,000
8,000•2.5 = 20,000
a male lion needs as much as 15 pounds of food each day or 105 pounds of food each week.how much does a lion need in one year.
I'm just checking i have the answer i just want to check thx
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If a male lion eats 15 pounds of food each day or 105 pounds each week, it would need about 5460 pounds of food in a year. We arrive at this by multiplying the weekly amount (105 pounds) by the number of weeks in a year (52 weeks).
Explanation:The question is asking how much food a male lion needs in a year if it eats 15 pounds of food each day, or 105 pounds per week. If we want to know how many pounds of food a lion needs for an entire year, we would need to multiply that weekly amount by the number of weeks in a year. There are 52 weeks in a year. So, we take 105 pounds of food per week and multiply it by 52.
Calculation: 105 × 52 = 5460
So, a male lion needs about 5460 pounds of food in a year.
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record the product 8x43 using expanded form to help
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Kevin is 14 inches taller than George. The difference between Kevin and Richard is two inches less than between Richard and George. Kevin at 6'6" is the tallest. How much tall are Richard and George?
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6.6-1.2= 5'4 george
richard is 6'0
Richard is 6'1" and George is 5'11" tall.
To calculate Richard and George's heights, we start with Kevin being 6'6" and 14 inches taller than George, meaning George is 5'4".
The difference between Kevin and Richard is 2 inches less than between Richard and George, making Richard 6'1" and George 5'11".
I'm learning about Equivalent systems of equations, please help!
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First let's solve for the teacher's:
-2x+5y=10
-3x+9y=6
Solve by substitution (I think elimination might be easier to do for this one, but I don't really remember 100% sorry!)
Isolate the x (or y) variable in the first equation
-2x+5y=10
-2x=10-5y
[tex]x= \frac{10-5y}{-2} [/tex]
Substitute x into the next equation and solve for y
-3(10-5y/2)+9y=6
3*10-5y/2+9y=6
(multiply both sides by 2)
3(10-5y)+18y=12
30-15y+18y=12
30+3y=12
3y=-18
y=-6
Substitute in x
x= -10-5(-6)/2
x=-20
TEACHER'S ANSWER (-20,-6)
GOKU
x-3y=-2
-2x+5y=-7
Do the same as above
Solve for x
x-3y=-2
x=3y-2
Plug in
-2(3y-2)+5y=-7
4-6y+5y=-7
4-y=-7
-y=-11
y=11
x=(3(11)-2)
x=31
GOKU'S ANSWER (31, 11)
SELINA:
-5x+14y=16
-3x+9y=12
One last time!! :)
-5x+14y=16
-5x=16-14y
x=(16-14y)/-5
-3(-(16-14y/5)+9y=12
3*16-14y/5+9y=12
3*16-14y+45y=60
48-42y+45y=60
48+3y=60
3y=12
y=4
x=-(16-14(4))/5
x=8
SELINA'S ANSWER
(8,4)
So neither Goku or Selina got the same answer as the teacher
The teacher's system is
-2x + 5y = 10
-3x + 9y = 6
To find the system that equals to the teachers solution, we must solve all three of them. (Yeah good luck)
Let's start solving the teacher's system
We need to solve -2x + 5y = 10 for x
-2x + 5y = 10
-2x = 10 - 5y
Divide both sides by -2
-2x/-2 = (10-5y)/-2
x = 5/2 y - 5
Now we need to substitute 5/2 y -5 for x in -3x +9y = 6
We gonna replace 5/2 y -5 by x
-3x + 9y = 6
-3(5/2 y - 5) + 9y = 6
Simplify both sides (I used a calculator)
3/2 y + 15 = 6
3/2 y = 6 - 15
3/2 y = -9
To find y, we need to divide both sides by 3/2
3/2 y/3/2 = -9/3/2 (I used a calculator)
y = -6
It easier to find x since we already find y
So, let's find x by substitute -6 for y in x=5/2 y - 5
What does that mean? We gonna replace the value of y which is -6 everywhere we find y (I hope it makes sense)
x = 5/2 y - 5
x = 5/2 (-6) - 5 (use a calculator)
x = -20
Therefor,
x = -20 and y = -6
This is the teacher's solution so we gonna solve the others and see what they have :)
----------------------------------------------
Selina's system
-5x + 14y = 16
-3x + 9y = 12
So, we need to solve -5x + 14y = 16 for x
-5x + 14y = 16
-5x = 16 - 14y
Divide both sides by -5
-5x/-5 = (16 - 14y)/-5
x = 14/5 y + -16/5 (It looks messy here)
To continue, we need to substitute 14/5 y + -16/5 for x in -3x + 9y = 12
-3x + 9y = 12
-3( 14/5 y + -16/5) + 9y = 12
Simplify both sides
3/5 y + 48/5 = 12
3/5 y = 12 - 48/5
3/5 y = 12/ 5
To find y, we just need to divide both sides by 3/5
3/5 y/3/5 = 12/5/3/5 (cancel 5, then divide 12 by 3 = 4)
y = 4
We gonna use the value of y to find x
We gonna do that by substitute 4 for y in x = 14/5 y + -16/5
x = 14/5 y + -16/5
We gonna replace y by 4
x = 14/5 (4) + -16/5 (used a calculator)
x = 8
Therefore,
x = 8 and y = 4
So, Selina system doesn't equal to the teacher's system.
-----------------------------------
Goku's system
again, I used the same steps to solve all of them.
x - 3y = -2
-2x + 5y = -7
We need to solve x - 3y = -2 for x
x - 3y = -2
x = -2 + 3y
I prefer to let the unknown value leads, so it will be
x = 3y - 2 (it still the same thing :) )
Substitute 3y - 2 for x in -2x + 5y = -7
-2x + 5y = -7
-2(3y - 2) + 5y = -7
-6y + 4 + 5y = -7
-y + 4 = -7
-y = -7 - 4
-y = -11
We cannot leave the y with a negative sign, so we must divide both sides by -1
-y/-1 = -11/-1
y = 11
To find x, we need to substitute 11 for y in x = 3y - 2
x = 3y - 2
x = (3)(11)-2
x = 33-2
x = 31
Therefore,
x = 31 and y = 11
Goku's answer doesn't equal to the teacher's answer.
------------------------------------------
Answer : Neither Goku or Selina
I hope I helped!
Approximate √39 to the nearest whole number
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√36 < √39 < √49
6 < √39 < 7
√39 ≈ 6
complete the sentence below using one of the words. 'Power, Base, Exponent'
The number 1,000,000 is a(n) ______ of 10
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The number 1,000,000 is a 6 power of 10.
Given that,
An incomplete statement is given,
The number 1,000,000 is a(n) ______ of 10.
In mathematics, it deals with numbers of operations according to the statements. There are four major arithmetic operators, addition, subtraction, multiplication, and division,
What is simplification?The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.
Here,
1000000 = 10ˣ
10⁶ = 10ˣ
x = 6
Thus, The number 1,000,000 is a 6 power of 10.
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Hal, Zelda, Maya , and Jason each recorded the height and age of 5 classmates. They used the data to create the tables below.
If you can help that would be greatly appreciated
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The product of a non zero rational number and a irrational number is always sometimes or never irrational
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Hope this helps!
The function g(x) = –3x2 – 36x – 60 written in vertex form is g(x) = –3(x + 6)2 + 48. Which is one of the transformations applied to the graph of f(x) = x2 to change it into the graph of g(x) = –3x2 – 36x – 60? The graph of f(x) = x2 is made narrower. The graph of f(x) = x2 is shifted right 6 units. The graph of f(x) = x2 is shifted down 48 units. The graph of f(x) = x2 is reflected over the y-axis.
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Ethan wrote the number four million,three hundred five thousand, seven hundred sixtu-two as 4,350,762.Describe and correct his error.
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What times what equals 0.59??
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2 can go into .590 .295 times.
One of the multiple answers is:
4 x 0.1475= 0.59
Solve for x. 3x−82=x−6
20 Points
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3x-82 = x-6
subtract 1 x from each side
2x -82 = -6
add 82 to each side
2x = 76
divide both sides by 2
x = 76/2 =38
x = 38
Check:
3(38)-82 = 38-6
3*38 = 114, 114-82 =32 and 38-6 = 32 32 = 32 TRUE
What value represents a number 10 times as great as 581,000?
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A decimal that contains digits that continue forever in a pattern is called a(n) ____ decimal
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Multiply 8.88x10 to the 4th power. Explain the shift of the digits and the change in the value of each digit
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Angie is wrapping a present for her best friend. The box is 16 inches long, 12 inches wide, and 3 inches high. How many square inches of wrapping paper does Angie need for her present
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Since we're not looking for the Volume, we'd just multiply one variable by another, for instance:
Bottom = Length * Width
x = 16 * 12 | 16 * 12 = 192
Left = Length * Height
x = 16 * 3 | 16 * 3 = 48
Front = Width * Height
x = 12 * 3 | 12 * 3 = 36
Now that we know 3 of the sides, we then multiply each by 2 since there's another side to this box(in other words, we'd be adding both sides together, multiplying it by 2 still gives you the same answer though).
Bottom + Top, or Bottom * 2
192 + 192 = 384 | or | 192 * 2 = 384
Left + Right, or Left * 2
48 + 48 = 96 | or | 48 * 2 = 96
Front + Back, or Front * 2
36 + 36 = 72 | or | 36 * 2 = 72
Adding these together gives you the answer you're looking for. ^ ^
384 + 96 + 72 = 552
So, the answer should be that Angie needs 552 square inches of wrapping paper for her present. I hope that helped, have a great rest of your day!
| | Ghostgate (Alter) | |
In which expressions of the exponent be multiplied
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Tell me whether the expressions in each pair are equivalent... Please i beg Someone to answer this!
1. 6m+1 and 1x6+m
2. 9y and 9+y
3. mp+nq and mq+np
4. -(5-q) and 9-5
5. 8-4c and 4c-8
6. 3(5+z) and 15+2
Pls put down your answer in form!
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Chloe wants to cut a 37 in. piece of ribbon into three pieces. The second piece is to be 2 in. longer than the first, and the third piece is to be 3 in. longer than the second. How long will each of the pieces be?
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1st piece = x
2nd piece = x+2
3rd piece = x+2+3 = x+5
37 = x +x+2 + x+5 =
37 = 3x+7
30=3x
x = 30/3 = 10
1st piece = 10 inches
2nd piece = 10+2 = 12 inches
3rd piece = 10+5 = 15 inches
A bus service drives passengers between Milwaukee and Chicago every day. They travel from city to city eight times each day. The distance between the two cities is 89 miles..In February there are 28 days. The company's budget allows for 28,000 total miles for February. Do you think the budget is reasonable? Explain
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to the budget
Answer:
Yes the budget is reasonable.
Step-by-step explanation:
A bus service drives passengers between Milwaukee and Chicago every day for eight times each day.
The distance between the two cities is 89 miles.
So, total distance covered per day = [tex]89\times8=712[/tex] miles.
Total distance covered in 28 days = [tex]28\times712=19936[/tex] miles.
As give, The company's budget allows for 28,000 total miles for February.
So, yes the budget is reasonable, as it is less than 28000.
Identify the rate that does not belong with the other three. Justify your response
4.5 feet per second
112.5 in 25 seconds
86.4 feet in 18 seconds
54 feet in 13 seconds
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The other three are similar because they are all in the unsimplified format of distance in a period of time, while the first one is just a simplified rate that could be used to multiply easily.
7.9 * 10^7 +6.58*10^6=
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A rope 25 feet long is cut into 3 pieces. The forest piece is 2x feet long, the second piece is 5x feet long, and he third piece is 4 feet long.
a. Write and solve and equation find x.
b. Find the length of the first and second piece
Answers
7x + 4 = 25
7x = 25 - 4
7x = 21
x = 21/7
x = 3
(b) first piece = 2x....= 2(3) = 6 ft <=
second piece = 5x....= 5(3) = 15 ft <=
Container A is 13 inches by 19 inches. by 25 inches.Container B is 13 inches by 13 inches by 31 inches.In cubic inches,how much greater is the volume of Container A.
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volume of container A = 13*19*25 = 6175 in^3
volume of container B = 13*13*31 = 5239 in^3
container A is greater by 6175-5239 = 936 in^3 than container B