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UNO [17]
2 years ago
12

Triple the sum of 45 and 55

Mathematics
1 answer:
Agata [3.3K]2 years ago
3 0
45+55= 100

100×3= 300
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Which expression is equivalent to 16^3?
Rzqust [24]

I think the answer is 2^12

because ...

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8 0
3 years ago
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HELP ME PLEASE!!! ASAP THANK YOU SO MUCH
oksian1 [2.3K]

Answer:

Step-by-step explanation:

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For what values of k does the graph of y=-2x^2+5x+k not cut the x axis
goldenfox [79]
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2 years ago
Write the function for the graph
Kruka [31]

Answer:

Option A is correct.

The function for the given graph is;

f(x)=2\cdot 4^x

Step-by-step explanation:

An exponential function is in the form of y =ab^x ......[1] where a is the initial value and b≠ 0 , b >1 .

Given two points as shown in figure i.e,

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Substitute these points in equation [1] we have;

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and

for B = (1, 8)

8 = ab^1

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ab = 8

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3 0
2 years ago
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Samantha ran on a fitness track for 20 ​min, and then walked for 15 min. Her running rate was 230 ft per minute faster than her
Mnenie [13.5K]

Answer:

  560 ft/min

Step-by-step explanation:

Let r represent Samantha's running rate in feet per minute. Then r-230 is her walking rate. We can use the relation ...

   distance = speed × time

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  20r + 15(r -230) = 16150

  35r - 3450 = 16150 . . . . eliminate parentheses, collect terms

  35r = 19600 . . . . . . . . . . add 3450

  r = 560 . . . . . . . . . . . . . . divide by the coefficient of r

Samantha ran 560 feet per minute.

5 0
3 years ago
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