Amy had 4 pieces of string that were cut in various lengths. the string lengths are 407.3, 470.8, 407.1 and 470.3. which shows the lengths in order from least to greatest?
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Which is an expression to find the speed in m/s? d = 100 m, t = 20 s A. 100 - 20 B. 100 + 20 C. 100/20 D. 100 x 20
Paul is buying packages of hot dogs for a camping trip. Each package is 30 oz. If he buys 4 packages, how many ounces of hot dogs is he buying?
as 25 cent stamps and the same number of one-cent stamps as
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Answer:
- 30 of 25 cent, 10 of 14 cent, 60 of 2 cent
Step-by-step explanation:
- Note: it must be typo 10.70, changed to 10.10
Number of 25 cent stamps = x
Number of 14 cent stamps = y
Number of 2 sent stamps = z
- Total = $10.10 = 1010 ¢
- x = 3y
- z = 2x ⇒ z = 6y
Solving equation
- 25x + 14y + 2z = 1010
- 25(3y) + 14y + 12y = 1010
- 75y + 26y = 1010
- 101y = 1010
- y = 1010/101
- y = 10
The finding x and z
- x = 3*10 = 30
- z = 6*10 = 60
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20,000+1,000+900+80+9+0.09+0.008
21,989.098 in word form would be...
Twenty-one thousand nine hundred eighty-nine and ninety-eight thousandths
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Answer:
The expression is equal to 12.
Step-by-step explanation:
First of all, compute the parenthesis.
18 / 6 = 3
Now, replace 18/6 with 3 in our expression.
Next, compute the multiplication.
-12 * 3 = -36
Again, we'll replace that multiplication with negative 36:
Since subtracting a negative number is the same as adding a positive number:
Compute the addition:
Answer: The expression is equal to 12.
Answer:
12
Step-by-step explanation:
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Hi there!
One little tip of advice I would like to give you is that when solving equations with 2 variables, and you're looking for only one, the second will always end up in your answer. So, since we're solving for x, the y will end up in our equation. :D
Let's begin!
Step 1) Add 4y to both sides.
Step 2) Divide both sides by 3.
Final answer -
If you wanted to see this graphed, however, see the attached file. :)
Hope this helps!
Message me if you need anything else! I'd be happy to help! :D
add 4y to both sides
3x=4y+16
divide both sides by 3
x=(4y+16)/3
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to even begin to factor..you must factor out a 3, to simplify your answer.
3(12
Now, you can factor.
So..to find the answer...
12*-10=-120x
and
you would use -7x
What multiplies to -120..but adds to -7?
-15*8=-120
and
-15+8=-7
To find the answer, plug in what you know..
3(3x+2)(4x-5)
Thus, your answer.