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Igoryamba
3 years ago
9

Find the x-intercept for the line represented by this equation.

Mathematics
1 answer:
brilliants [131]3 years ago
6 0
Sub y=0 into 3y=2x+6
3(0)=2x+6
-2x=6
x=-3
Ans is B.

Sub x=0 into -2y=4x+8
-2y=4(0)+8
y= -4
Ans is B.
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Alex

Answer:

(x-8)(x+8)

Step-by-step explanation:

Difference of squares

Basically take the square root of 64 and place the answer into the two sets of parenthesis

7 0
2 years ago
Can someone please answer. There is one problem. There's a picture. Thank you!
lidiya [134]
The second choice is the correct one.
3 0
3 years ago
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To reduce 16 ounces of a 25% solution of antiseptic to a 10% solution, how much distilled water should a nurse add?
yan [13]

Answer:

24 ounces

Step-by-step explanation:

Here's a more intuitive approach to use here.

You know that your initial solution has a percent concentration, presumably volume by volume, of  

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1

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3

parts solvent.

The target solution must have a concentration of  

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%

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1

part of solute and  

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parts solvent.

Your starting solution has a volume of  

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ounces, or  

4

parts, each with a volume of  

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In order to get to a solution that has a total of  

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parts of solvent to the initial solution. Since we know that

1 part  

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it follows that you must add

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⋅

4 ounces

1

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=

24 ounces

of distilled water, which is your solvent, to the initial solution.

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7 0
3 years ago
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finlep [7]
A.
1hr \: 15min = 75min

c = 0.22t = 0.22 \times 75 = 16.5

cost is $16.50

B.

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rearrange to solve for t:

t = \frac{26.40}{0.22} = 120min

C. This is the same as part B, only the rate changed

t = \frac{26.40}{0.25} = 105.6min

they ask for the greatest number of minutes, so we round down (take the floor of the value).

the answer is 105 minutes.
4 0
2 years ago
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Which of the segments below is a secant?
Rainbow [258]

Answer:

BC

Step-by-step explanation:

A secant is a line which intersects the circle at 2 points

In the given diagram this is BC

3 0
3 years ago
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