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Arte-miy333 [17]
3 years ago
12

ASAP!! Please help me. I will not accept nonsense answers, but will mark as BRAINLIEST if you answer is correctly with solutions

.

Mathematics
1 answer:
ololo11 [35]3 years ago
7 0

Answer:

The answer would be f(a)=-1

-AC I hope this helps<3

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A swimming pool is being drained so it can be cleaned. The amount of water in the pool is changing according to the función f(t)
TiliK225 [7]

Answer:

0 ≤ t ≤ 5.

Step-by-step explanation:

In the function f(t), t is the independent variable. The domain of f is the set of all values of t that this function can accept.

In this case, f(t) is defined in a real-life context. Hence, consider the real-life constraints on the two variables. Both time and volume should be non-negative. In other words,

  • t \ge 0.
  • f(t) \ge 0.

The first condition is an inequality about t, which is indeed the independent variable.

However, the second condition is about f, the dependent variable of this function. It has to be rewritten as a condition about t.

\begin{aligned} f(t) &\ge 0 &&\text{Assumption} \cr 80000 - 16000\, t& \ge 0 && \text{Definition of} ~ f \cr 80000 & \ge 16000\, t && \begin{aligned}&\text{Add $16000\, t$} \\[-0.5em] & \text{to both sides of the inequality}\end{aligned} \cr 5 &\ge t &&\begin{aligned}&\text{Divide both sides of} \\[-0.5em] & \text{the inequality by $16000$}\end{aligned} \cr t &\le 5 && \text{Flip the inequality}\end{aligned}.

Hence, t ≤ 5.

Combine the two inequalities to obtain the domain:

0 ≤ t ≤ 5.

6 0
2 years ago
What fraction is bigger 5/8 or 7/15
Zolol [24]
5/8=.625 and 7/15=.466 repeating so 5/8 is a bigger fraction
6 0
3 years ago
Read 2 more answers
7. What is the precision of the measurement 4 quarts?
gizmo_the_mogwai [7]
It will be option 3 so the answer is 1 quarts
8 0
2 years ago
WHERE DOES THE PYTHAGOREAN IDENTITY SIN2 Θ + COS2 Θ = 1 COME FROM? HOW WOULD YOU USE IT TO FIND THE SINE COSINE AND TANGENT VALU
Allushta [10]

Imagine a trigonometric circle with radius equal to 1.

We can say that the opposite side of the angle generated by the origin is equal to sen Ф and the adjacent equal to cos Ф


With this we can say that:


h² = c² + c²


If r = 1, then h = 1


1² = cos² + sen²

1 = cos² Ф + sen² Ф


You can use this equation a lot of times because it's the fundamental trigonometric relation
, so, when you something like:


sen Ф = cos Ф + 1


you can take from sen² Ф + cos² Ф = 1 that sen = \sqrt{1 - cos^2} and then resolve.

7 0
3 years ago
Read 2 more answers
(6,-2), (12, 1)<br> Write equation in slope intercept form
bazaltina [42]

Answer:

y=1/2x-5

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(1-(-2))/(12-6)

m=(1+2)/6

m=3/6

simplify

m=1/2

----------------------

y-y1=m(x-x1)

y-(-2)=1/2(x-6)

y+2=1/2(x-6)

y=1/2x-6/2-2

y=1/2x-3-2

y=1/2x-5

5 0
2 years ago
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