Ashley types at a rate of 15 words per minute.
How many words does she type in 5 minutes?

You can solve this question with unitary method. here it is told that Ashley types at the rate of 15 words per minute.

Therefore by unitary method,

1 minute = 15 words

5 minutes = 5 × 15 words = 75 words

Thus, in 5 minutes, Ashley can type 75 words.

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the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

hope this : )

answer: 204

step-by-step explanation:

we are told that the revenue is

x⋅(4080−10x)=−10x^2+4080x

this is a quadratic function, so to maximize it we should find the x-value of its vertex. recall that the x-value of the vertex of the parabola ax^2+bx+c is given by the formula −b/2a.

so in this case, we have a=−10 and b=4080, so the x-value of the vertex is

−b/2a= −(4080)/2(−10)=204