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Natasha2012 [34]
4 years ago
12

What is two fifths if 35 dollars and 10 cents??

Mathematics
1 answer:
Verdich [7]4 years ago
6 0
14.04 US dollars or 14 4/10
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The height of an experimental plant after x days can berepresented by the formula 3(4x+2). The height of a second plant can be r
NikAS [45]

Answer:  No

Step-by-step explanation:

The question is whether 3(4x+2) could ever equal 6(2x+2).  So let's set them equal to each other and find if there is a value of x, the days, where they are equal.

3(4x+2) = 6(2x+2)

12x + 6 = 12x+2

6 = 12??  No

They will bnever be at the same height.  They are growing at the same rate (12x) but starting at different heights (6 and 12)

6 0
3 years ago
A collection of 22 dimes and quarters has a total value of $4.00. Write a system of equations that defines this situation and so
Rainbow [258]
Since dimes + quarters = 22
And dimes are 0.10 cents as quarters = 0.25 cents
Let’s make d = dime, q = quarter
d + q = 22
0.10d + 0.25q = 4.00
Let’s use substitution
d + q = 22, get d or q by itself
d = 22 - q (plug into second equation)
0.10(22-q) + 0.25q = 4
2.2 - 0.10q + 0.25q = 4
2.2 + 0.15q = 4
0.15q = 1.8, q = 12
Since there are 12 quarters you know there are 10 dimes (22 in total)

Solution: 10 dimes, 12 quarters
7 0
3 years ago
Solve x - 1/4 = 1/2 for x
Juli2301 [7.4K]

Answer:

x = 3/4

Step-by-step explanation:

Simply add 1/4 to both sides of the equation to isolate <em>x</em> and to get your answer.

x = 1/4 + 1/2

x = 1/4 + 2/4

x = 3/4 or 0.75

8 0
4 years ago
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6. Write the standard form of the line: y=2/5x-7
netineya [11]

The standard form for a linear equation is: ax + by + c = 0

Once we move all the variables and constants to one side, we get the standard form for a linear equation

y =  \frac{2}{5} x - 7\\y -\frac{2}{5}x = -7\\ y - \frac{2}{5}x + 7 = 0\\

Hope that helps!

4 0
3 years ago
The table shows the distances traveled by a paper airplane.
BabaBlast [244]

Answer:

 

Step-by-step explanation:

4 0
3 years ago
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