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Phoenix [80]
3 years ago
13

Sam has 24 quarters + 18 nickels + 36 dimes he wants to divide the coins into groups so that each group is worth the same amount

of money what is the greatest number of groups Sam can make using all the coins
Mathematics
1 answer:
Alexxx [7]3 years ago
8 0

Answer:

5 groups of $2.10

Step-by-step explanation:

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What is the reason for each step in the solution of the inequality?<br><br> −2(x+3)−4&gt;4x+30
DochEvi [55]
You would have to first distribute the -2 to the x+3 which gives you -2x-6.  Then you would subtract the 4 which gives you -2x-10 on the left side.  Now you have the equation -2x-10>4x+30.  Move the 4x to the other side giving you         -6x-10>30.  Now add the 10 from the other side which leaves you with -6x>40.  Now remember when you divide by a negative in an inequality, you HAVE TO flip the sign giving you the answer of x<-20/3.

5 0
3 years ago
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Determine if the lines are parallel, perpendicular, or neither x-3y= 15 and y = -3+4
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If the second equation is y=-3x+4 then they would be parallel and I found that by turning the first equation into y=mx+b and you subtract x from both sides of the equation and get -3y=-x+15 and then you divide both sides of the equation by -3 to get the y by itself and that turns into y=1/3x-5 and since 1/3 is the reciprocal of -3 they are perpendicular.
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3 years ago
Which equation represents the axis of symmetry of the function y= -2x^2 + 4x -6?
daser333 [38]

Answer:

The axis of symmetry is on x = 1

Step-by-step explanation:

When you graph the function, the vertex is at (1,-4). This means that the axis of symmetry is at x = 1

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7 0
3 years ago
The floor area of a rectangular storm shelter is 65 square meters and its length is 6 and 1 2meters what is its perimeter?
vekshin1
A=lw
65=6.5w
w=10
p=2l+2w
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4 0
3 years ago
Find the volume of a cube that has the following dimensions:length=2x^2 width=x^3 height=x^2-6x+5 A) 4x^7-3x^6+8x^5 B) 2x^12-12x
fomenos

Answer:

Option D. 2x⁷ - 12x⁶ + 10x⁵

Step-by-step explanation:

From the question given:

Length (L) = 2x²

Width (w) = x³

Height (h) = x² - 6x + 5

Volume (V) =?

Volume (V) = length (L) x width (w) x height (h)

V = L x w x h

V = 2x² × x³ × x² - 6x + 5

V = (2x²) (x³) (x² - 6x + 5)

V = (2x⁵) (x² - 6x + 5)

Clear bracket

V = 2x⁷ - 12x⁶ + 10x⁵

Therefore, the volume of the cube is 2x⁷ - 12x⁶ + 10x⁵

4 0
3 years ago
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