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11Alexandr11 [23.1K]
3 years ago
12

Decide which of the two points lies on the graph something line X+3y=-2 A. -6,6 B. 4,-2

Mathematics
2 answers:
sergey [27]3 years ago
7 0
X + 3y = -2

(4) + 3(-2) = -2

4 + -6 = -2

-2 = -2

True

B) 4, -2 is your answer

hope this helps
MrRa [10]3 years ago
3 0
B. (4,-2)
Plug them into the line's equation and you get...
4+3(-2)=-2
4-6=-2
-2=-2

Hope this helps!
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A gold coin appreciated in value from $200.00 to $475.00 in 6 years. Find the yearly rate of appreciation. Show or explain all w
Travka [436]

Answer:

16%

Step-by-step explanation:

To solve this we are using the standard growth equation:

y=a(1+b)^x

Were

y is the final value after x years

a is the initial value

b is the growth factor (yearly rate of appreciation in our case) in decimal form

x is the time in years

We know from our problem that gold coin appreciated in value from $200.00 to $475.00 in 6 years, so y=475, a=200, and x=6.

Let's replace the values in our equation and solve for b:

y=a(1+b)^x

475=200(1+b)^6

\frac{475}{200} =(1+b)^6

2.375=(1+b)^6

\sqrt[6]{2.375} =\sqrt[6]{(1+b)^6}

1+b=\sqrt[6]{2.375}

b=\sqrt[6]{2.375}-1

b=0.155

which rounds to

b=0.16

Since our appreciation rate is in decimal form, we need to multiply it by 100% to express it as percentage:

0.16*100% = 16%

We can conclude that the yearly appreciation rate of our gold coin is approximately 16%

3 0
3 years ago
Whats the fraction decimal and percent for 15 out of 9
creativ13 [48]
1 2/3, 1.66, 166.66%

btw, put a forever hat above the last 6's in 1.66 and 166.66

a forever hat is just a horizontal line above a number to indicate it goes on forever.
7 0
3 years ago
Plz help me with this problem
mixer [17]
I don’t know what is your problem is
7 0
4 years ago
Two apples and three peaches cost $1.65. three apples and two peaches cost $1.60. what is the cost of one peach
marta [7]
Apples = $.30
Peaches = $.60

You can get this by setting up a system of equations that looks like this. 

2x + 3y = 1.65
3x + 2y = 1.60

Where x is the amount of apples and y is the number of peaches. Then you can solve using any of the methods (I would suggest elimination for ease). 
7 0
3 years ago
HARD BUT LOTS OF POINTS PLS HELP FIRST GET BRAINLIEST.<br><br> Find the area of the figure below.
viva [34]

Answer:

132

Step-by-step explanation:

the top rectangle is 28

the middle rectangle is 56

each of the triangles are 24

48+28+56

7 0
3 years ago
Read 2 more answers
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