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svp [43]
3 years ago
7

The number of gal of water used to water trees is 30 times the number of trees

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
7 0
Are you trying to make an algebraic equation?

x = # of trees
y = gal of water

It would be 30x = y
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igomit [66]

Answer: D. It depends on the cost of the shirt as to which coupon will help John pay the lowest price.

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3 years ago
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Find the limit, if it exists. (If an answer does not exist, enter DNE.) lim (x, y) → (0, 0) x4 − 34y2 x2 + 17y2
HACTEHA [7]

Answer:

<h2>DNE</h2>

Step-by-step explanation:

Given the limit of the function \lim_{(x,y) \to (0,0)} \frac{x^4-34y^2}{x^2+17y^2}, to find the limit, the following steps must be taken.

Step 1: Substitute the limit at x = 0 and y = 0 into the function

= \lim_{(x,y) \to (0,0)} \frac{x^4-34y^2}{x^2+17y^2}\\=  \frac{0^4-34(0)^2}{0^2+17(0)^2}\\= \frac{0}{0} (indeterminate)

Step 2: Substitute y = mx int o the function and simplify

= \lim_{(x,mx) \to (0,0)} \frac{x^4-34(mx)^2}{x^2+17(mx)^2}\\\\= \lim_{(x,mx) \to (0,0)} \frac{x^4-34m^2x^2}{x^2+17m^2x^2}\\\\\\= \lim_{(x,mx) \to (0,0)} \frac{x^2(x^2-34m^2)}{x^2(1+17m^2)}\\\\\\= \lim_{(x,mx) \to (0,0)} \frac{x^2-34m^2}{1+17m^2}\\

= \frac{0^2-34m^2}{1+17m^2}\\\\=  \frac{34m^2}{1+17m^2}\\\\

<em>Since there are still variable 'm' in the resulting function, this shows that the limit of the function does not exist, Hence, the function DNE</em>

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3 years ago
1. Evaluate 7m+2n-8p OVER n for m = –4, n = 2, and p = 1.5.
Zigmanuir [339]
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3 years ago
How do i factor -3s^2-s+10
Lady_Fox [76]
<span>-3s^2-s+10
= (3x - 5)(-x - 2)

hope that helps</span>
7 0
2 years ago
Suppose that the dollar cost of producing x appliances is c(x)=1000+ 90x- 0.2x 2
Aleksandr [31]

Answer:

Step-by-step explanation:

Given that the dollar cost of producing x appliances is

c(x)=1000+ 90x- 0.2x^2

A) Average cost can be obtained by dividing c(x) by units = x

i.e. average cost = \frac{1000}{x} +90-0.2x

B) Marginal cost = dC/dx = 90-0.4x

When x=140 marginal cost = 90-0.4(140)\\=34

C) We calculate

c(140) = =1000+90(140)-0.2(140^2)\\\\=9680

c(141) = =1000+90(141)-0.2(141^2)\\\\\\=9713.80

Marginal cost = difference = 33.80

Same as 34 shown in marginal cost.

6 0
3 years ago
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