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mart [117]
3 years ago
15

lily has $18. matt has twice as much of a third of the count that lily has and carolyn has $23 more than matt has. how much mone

y does carolyn have?
Mathematics
1 answer:
stich3 [128]3 years ago
4 0
Carolyn has $35
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How many gallons of a 60% antifreeze solution must be mixed with 70 gallons of 20% antifreeze to get a misture that is 50% antif
Komok [63]

Answer:

<h2>210 gaL 60 % Antifreeze II</h2>

Step-by-step explanation:

In the problem, there are two types of antifreeze

antifreeze I and

antifreeze II

antifreeeze I 20 ----70 gal

Antifreeze II 60 ----- x gal

Total 50 ---------------- (70 + x ) gal

20*70+60*x=50(70+x)

1400+60x=3500+50x

60x-50x=3500-1400

10x=2100

x= 210

x=210 gaL 60 % Antifreeze II

4 0
2 years ago
Charlotte is running at a rate of 9 km/h What is Charlotte's speed in m/s
LekaFEV [45]

Answer:

2.5 m/s

Step-by-step explanation:

6 0
3 years ago
What is the nonpermissible replacement of y-3/y+3
Alex787 [66]
Y = -3
-3 + 3 = 0
It is impossible to divide a number by 0
7 0
3 years ago
Can someone please explain this question
EleoNora [17]
Sure thing!

So if we look at the function, it is an exponential, meaning that it is a number to the power of x
The graph can be described by the equation

y = a^x

If we look at the graph, one of the points on the line is (2, 16), the x value is 2 and the y value is 16

If we consider this along with the function for the graph, we can say that

16 = a^2

Just solve this for a and you’ll have your answer :)
5 0
2 years ago
Read 2 more answers
What is the equation, in slope-intercept form, of the line that passes through the points (−24, 5) and (16, −20)?
ser-zykov [4K]

Answer:

C (Y = -5/8x - 10)

Step-by-step explanation:

first find the slope (y₂ - y₁) ÷ (x₂ - x₁)

(5 - (-20)) ÷ (-24 - 16)

-5/8 = slope (m)

now that we know the slope is -5/8 we can rule out A and B

now to find the y intercept just substitute a point in for x and y

5 = (-5/8)(-24) + b

multiply

5 = 15 + b

subtract 15 from both sides tp isolate b

-10 = b

4 0
3 years ago
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