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seropon [69]
3 years ago
9

Which graph displays a rate of change of 2.5?

Mathematics
2 answers:
kvv77 [185]3 years ago
7 0
the middle one is a rate of 2.5
Yuri [45]3 years ago
4 0

Answer:

The one in the middle.

Step-by-step explanation:

Not the first one because it would have a negative rate of change.

Find slope of second one:

Use points (2,2) and (0,-3)

(-3 - 2) / ( 0 - 2)

-5 / -2

2.5

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Ashley had a summer lemonade stand where she sold small cups of lemonade for $1.25 and large cups for $2.50. if ashley sold a to
Levart [38]
The answer is 98 small and 57 large cups.

s - the number of small cups
l - the number of large cups

<span>Ashley sold a total of 155 cups: s + l = 155
</span><span>Ashley earned</span><span>for $265: 1.25 * s + 2.50 * l = 265

</span>s + l = 155
1.25 * s + 2.50 * l = 265
________
s = 155 - l
1.25 * s + 2.50 * l = 265
________
1.25 * (155 - l) + 2.50 * l = 265
193.75 - 1.25 * l + 2.50 * l = 265
193.75 + 1.25 * l = 265
1.25 * l = 265 - 193.75
1.25 * l = 71.25
l = 71.25 / 1.25
l = 57

______
s = 155 - l
l = 57

s = 155 - 57
s = 98

5 0
3 years ago
How to find the length of the radius of circle O
Andrei [34K]
You would have to find Circumference
5 0
3 years ago
Pls Help! It would be very much appreciated, Thx!
Fofino [41]

Answer:

A. 30 two-point questions and 10 four-point questions

Step-by-step explanation:

30 multiplied by 2 equals 60

10 multiplied by 4 equals 40

60 plus 40 equals 100 points which is the amount of points the test is worth as stated i the question.

30 plus 10 equals 40, which is the total amount of questions in the test as stated in the question.

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3 years ago
What is the exact value of the expression the square root of 486. − the square root of 24. + the square root of 6.? Simplify if
kenny6666 [7]
Sqrt(486) - sqrt(24) + sqrt(6)

find the factors of 486 that we can remove from under the square root sign
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sqrt(486) = 9 sqrt(6)

Repeating for sqrt(24)
2 * 12
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2 * 2 * 2 * 3 (we can move a 2 outside the sqrt
sqrt(24) = 2 sqrt(6)

Finally, add all 3 terms together

9 sqrt(6) - 2 sqrt(6) + sqrt(6)
8 sqrt(6)

8 times square root of 6 is the final answer
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3 years ago
Tell whether each scale reduces, enlarges, or preserves the size of the actual object.
liubo4ka [24]
1m is equal to 100cm, so the scale reduces the size of the actual object
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