Mathematics Middle School

kelly ate 7 apples. this represents 50% of the bag of apples. how many apples were originally in the bag

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Answer 1
7 is the half of 14, so 14 apples
Answer 2
14 because 50% of 14 is 7

Related Questions

What is the value of the underlined digit? 5,678.321. The underlined digit is 1.

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0.001

Hope this helps!
.001     the decimal is important because in the number the 1 is after the decimal, itrepresents the fact that its not a whole number. The two zeros are there to replace the two numbers that come before the 1 and after the decimal. they replace 32

Please help not sure on this

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If I am correct, it would be dropped at -3, side adding to negative numbers make them increase to positive numbers.

I need help -3x=x-(6-2x)?

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Answer:

X=1

Step-by-step explanation:

Kevin wanted to know how many minutes are in 2 years.
he set up the conversion below

365 days 24 hours 1 hours
2 years *------------ * ------------ * -----------
1 years 1 day 60 minutes

1. what did Kevin do wrong

2. what can Kevin do to fix it

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Part 1
Kevin did not indicate the conversions between years, days, hours, and minutes.

Part 2
The correct calculation for the number of minutes in 2 years is
[tex]2 \, years \\ = (2 \, years)*(365 \, \frac{days}{year})*(24 \, \frac{hours}{day} )*(60 \, \frac{minutes}{hour} ) \\ = 1,051,200 \, minutes[/tex]

Answer: 1,051,200 minutes

A manufacturing company with 450 employees begins a new product line and must increase their number of employees by 18%. How many total employees does the company now have?

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The answer would 531. You would add 18% more employees to the company so the answer is 531. I really hope this helped you. Have a nice day!

How to solve a=9y+3yx

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Therefore, the equation [tex]y = \frac{a}{9 + 3x}[/tex] represents y as a function of a and x, showing how changes in a and x affect the value of y.

The given equation a = 9y + 3yx is a literal equation, meaning it relates multiple variables (in this case, a and y) with constants. Our goal is to isolate y, which means we want y to be expressed solely in terms of a and x, without any other variables.

To do this, we first factor out the common factor y from the right side of the equation, leaving us with a = y(9 + 3x). This step simplifies the equation and makes it easier to isolate y.

Then, to solve for y, we divide both sides of the equation by (9 + 3x), effectively undoing the multiplication by (9 + 3x) on the right side. This leaves us with [tex]y = \frac{a}{9 + 3x}[/tex].

In this final expression, y is in terms of a and x, indicating that the value of y depends on the values of a and x. As a and x vary, the value of y changes accordingly, following the relationship described by the equation.

Complete Question:

Solve the literal equation for y.

a = 9y + 3yx

y =

(2*1)+(6*1/1000) write in standard form

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2+1006

=1008

1000+8=1008

Hope this helps


7.The mass of a grain of sand is approximately 2.8×10^−11 grams

Select from the drop-down menu to correctly complete the statement.
The mass of a grain of sand is approximately 2.8×10^−8

Answer Choices:
A. Milligram
B.Gram
C.Killogram

Answers

i just took the test.. the answer is A. Have a nice day!

Answer:

a

Step-by-step explanation:

one type of insect is 0.0052 meter long.what is this length in scientific notation

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Because scientific notation has to be in between 1 and 10, you would need this to be 5.2. Count the spaces and since its getting smaller your exponent is negative. 

Your answer should be 5.2*10^(-3)

How do you write 2.2 in word form?

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2.2=22/10=2+0.2=2+2/10

so it could be said as 2 and 2 tenths
two and two-tenths
 2      .          2

If each square in the grid has a side lengt of 8mm,what is the-width and height of the rectangle

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one of them is 4 and one is 2

Suppose you used the distributive property to get the expression 12x+3y-9. With what expression could you have started?

Please help.

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the answer could be 3(4x+y-3)
Before using the other methods for factoring, this is the first type of factoring you should try. Basically, you’re reversing the distributive property. What you’re doing is finding the greatest common factor for all of the terms.
Examples:

Factor 2x + 4
Greatest common factor for both of the terms is 2.
2x + 4 = 2(x + 2)

Factor 4x2 + 12
Greatest common factor for both terms is 4.
4x2 + 12 = 4(x2 + 3)

Factor 5x2 + 10x + 25
Greatest common factor for all of the terms is 5.
5x2 + 10x + 25 = 5(x2 + 2x + 5)

Find the greatest common factor for 12, 3 and -9.

After playing with the numbers around, I got 3.

3(4x + y - 3)

So, 3(4x + y - 3) is the answer.

math questions down below

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#1 the correct answer is 6/7
#2 the correct answer is -9

What is .86 divided by 5 minus .3 times .5

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The answer is 2.2 buddy
.86÷5-.3×5= -1.328 the answer is -1.328

True or false 6,859^1/3 can be written as square root 3 19^3

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[tex]6859^{ \frac{1}{3}} [/tex]

Using the index law [tex]a^{ \frac{m}{n}} = (\sqrt[n]{a} )^m[/tex]

[tex] \sqrt[3]{6859}=19 [/tex], so we can also write this as
[tex]( \sqrt[3]{19^3} )[/tex]

Answer: TRUE

Susan currently has an account balance of $1,336.60. Her initial deposit on the account was $820 and it earned 4.5% simple interest. How long has Susan held the account?

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Here we need the time, so
t = I/pr = (1336.6-820)/(820)(.045) = 14 years


What is 4 ÷457 long division

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The answer is 114.25
0.008752735 is the right answer 

Hwong Has 39 Muffins.If each of hos Guest will Eat 2 Muffins, Hwong figures That He Can Serve Muffins To 19 Guest

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That is correct because 2x19=38 which is the closest number without going over

3/4 x+5− 1/2 x=3 Solve For X Need Answer Fast Please!!!!!!!

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3/4x + 5 - 1/2 x=3 = -8

I believe this is the right answer :)

Answer:

8 1/5

Step-by-step explanation:

mr. peters buys 3 1/4 pound of grapes for $4.55 what is the unit cost of the grapes

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divide 3 1/4 with 4.55

I need help with math.............

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Greetings!

Solve using the properties of equality:
[tex]2(x+2)=4x+1-2x[/tex]
Distribute the Parenthesis.
[tex]2x+4=4x+1-2x[/tex]
Combine like terms.
[tex]2x+4=2x+1[/tex]
There are no possible solutions.

Hope this helps.
-Benjamin

Answer 12 plzzzz‼️‼️ asap!

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Create equal fractions to find the number of hours he used the health club for.

2/13=x/29.25

Then, simplify so that x is by itself.

(29.25x2)/13 = x
x= 58.5/13
x=4.5 hours
13/2 = 6.5
They charge $6.50 per hour
29.25/6.50 = 2925/650 = 4.5
He was in the health club for ~ 4.5 hours

hope this helps

alexander the great became king in 336 BB and died 13 years later. what year did he die?

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323 BC. When working before Christ the more recent the year is, the smaller the number is.
323 B.C.E. because 336- 23=324 B.C.E.

In albany it is -4°f in chicago it is -14°f‚ in minneapolis it is -11°f‚ and in toronto it is -13°f. in which city is the coldest?

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Chicago because on the number line, the numbers to the left get smaller, and the numbers to the right get bigger. Negatives on the number line are going right, and getting smaller, even though it seems the numbers are getting bigger.
EX: -14,-13, -12,-11,-10...

the largest negative number would be the coldest, so -14 would be the coldest.

 Chicago is the coldest city

zack watches tv 3 times as much as joel. Joel watches tv 2 hours a day. how many hours a day does Zack watch tv?

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Jole - 2 hours a day
Zach- 3(2) hours a day
The answer is:
6 hours a day
joel- 2 hours
zack- times 3
2x3=6.
Zack watches tv for 6hours a day

Compare the integers indicated on the graph below.

A. -6 > -12

B. -12 > -6

C. -4 > -8

D. -8 > -4






5)

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The correct answer is A. -6 > -12


Hope that helped! :)

What is 239901 rounded to the nearest ten thousand

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The answer is 240,000

I need the answer to this question ASAP please help.

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(3/5)^3 = (3^3)/(5^3) = 27/125
3^3 = 3x3x3 = 27
5^3 = 5x5x5 = 625
27/625 is the answer and it can’t be simplified

Solve the equation ax+b=c for x

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ax+b=c
ax=c-b
x=(c-b)/a
The solve of this equation will be X=(C-b)/A

−30+(−40)+(−70 equivalent expression

Answers

−30−40−70

=−70−70

=−140


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