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Gnesinka [82]
3 years ago
11

Find the constant of variation if x and y vary directly and x = 6 when y= -2/3 ?

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
3 0

Answer:

a.

k= 5/22

Step-by-step explanation:


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Based on the polynomial reminder theorem, what is the value of the function when x= -5
densk [106]

Answer:

-15

Step-by-step explanation:

Given is a polynomial in x

F (x)= x^4 + 12x^3 + 30x^2 - 12x + 70

We have to find the remainder when the above polynomial is divided by x+5

Remainder theorem says that f(x) gives remainder R when divided by polynomial x-a means f(a) = R

Applying the above theorem we can say that value of the function when x =-5

= Remainder when f is divided by x+5

= F(-5)

Substitute the value of -5 in place of x

= (-5)^4 + 12(-5)^3 + 30(-5)^2 - 12(-5) + 70

= 625-1500+750+60+70

= 5

Hence answer is 5

5 0
3 years ago
Read 2 more answers
Scientists studying biodiversity of amphibians in a rain forest have discovered that the number of species is decreasing by 2% p
kupik [55]

Answer:

Select the correct answer.

Scientists studying biodiversity of amphibians in a rain forest have discovered that the number of species is decreasing by 2% per year. There are currently 74 species of amphibians in the rain forest. Which logarithmic function models the time, , in years, it will take the number of species to decrease to a value of n?

The answer is D.

Step-by-step explanation:

8 0
3 years ago
What is the value of x in the figure shown below?
satela [25.4K]

50?

I'm assuming 50 because the angles to a triangle always adds up to 180 and this one has 130 and 130+50=180

4 0
2 years ago
Solve for w. -22w-5)+5w-5(w+4) Simplify your answer as much as possible.​
Anna [14]

Answer: −22w−25

Step-by-step explanation: Distribute:

=−22w+−5+5w+(−5)(w)+(−5)(4)

=−22w+−5+5w+−5w+−20

Combine Like Terms:

=−22w+−5+5w+−5w+−20

=(−22w+5w+−5w)+(−5+−20)

=−22w+−25

8 0
3 years ago
Brainliest for best answer
-BARSIC- [3]

Answer:

Slope = -5/8

Step-by-step explanation:

Take 2 points from the graph where the line is. Point 1: (1 , 6). Point 2: (9 , 1).

We are going to use the formula for finding the slope of a line now.

y2 - y1/x2 - x1 = 1 - 6/9 - 1 = -5/8

Slope = -5/8

7 0
2 years ago
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