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S_A_V [24]
3 years ago
15

Need help with page 16 and 19

Mathematics
1 answer:
Ne4ueva [31]3 years ago
4 0
I recommend getting a math app for this...it will help you out a lot
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Let f(t) give the number of liters of fuel oil burned in t days, and w(r) the liters burned in r weeks. Find a formula for w by
viktelen [127]

Answer:

7 f(t)

Step-by-step explanation:

So, our f(t) is the number of liters burned in t days. If t is 1, f(t)=f(1) and so on for every t.

w(r) id the number of liters in r weeks. This is, in one week there are w(1) liters burned.

As in one week there are 7 days, we can replace the r, that is a week, by something that represents 7 days. As 1 day is represented by t, one week can be 7t (in other words r = 7t). So, we have that the liters burned in one week are:

w(r) = w[7f(t)]

So, we represented the liters in one week by it measure of days.

So, we can post that the number of liters burned in 7 days is the same as the number of liters burned 1 day multiplied by 7 times. So:

w (r) = w[7 f(t)] = 7 f(t)

Here we hace the w function represented in terms of t instead of r.

3 0
3 years ago
Can Fractions and ratios cannot have zero in the denominator?
labwork [276]
True , is the answer ! :)
4 0
3 years ago
If LQPS is a right angle and mLQPR=71° what is m LRPS
creativ13 [48]

Answer:

A. 19 degrees.

7 0
3 years ago
What is 2 - 3y is less than or equal to 12? That was the question.
Ivenika [448]

Answer:

2-3y\leq 12\\-2+2-3y\leq 12-2\\-3y\leq 10\\\frac{-3}{3}y\leq  \frac{10}{3} \\y\geq \frac{10}{3}

Step-by-step explanation:

8 0
3 years ago
6a^2-[-5a-(9a^2-3a)]-[8+(-19a-8)]
Mamont248 [21]
The answer is 15a^2+21a
5 0
3 years ago
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