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3 years ago

I neeeddd hellpppp asappp please !! :))

Mathematics

1 answer:

svlad2 [7]3 years ago

5 0

We are looking for two numbers that have a product of -36 and a sum of -4. We are given -9 as one of the numbers, so the only other number that would work here is +4. Thus, the other factor is x + 4.

Hope this helps!! :)

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4/13 wish you the best of luck ^.^

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3 years ago

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saveliy_v [14]

Answer:a and d

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Four expressions are shown below:

kotegsom [21]

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B) 3(7x + 2)

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3 years ago

Y = one-fourth x minus 6 be determined? Explain.

Luden [163]

Answer:

Step-by-step explanation:

For a given function f(x), we define the domain as the set of the possible inputs of the function and the range as the set of the outputs of the function.

We will see that both domain and range are the set of all real numbers.

D = (-∞, ∞)

R = (-∞, ∞)

Here we have the function:

The first thing we need to do is find the domain.

We start by assuming that the domain is the set of all real numbers and then we try to find some given values of x that cause some undefined operation, and then we remove these values of x from the domain.

Where this would be something like a zero in the denominator or something like that. We also could have specific restrictions to the domain that are applied in some specific cases (for example if x represents a length we should remove the negative values from the domain).

Here we can see that we do not have any indetermination, thus the domain is the set of all real numbers.

Now to study the range we need to see the general function, we can see that as x tends to negative infinity y will also tend to negative infinity, while when x tends to infinity y will also tend to infinity.

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8 0

3 years ago

In his motorboat, Bill Ruhberg travels upstream at top speed to his favorite fishing spot, a distance of 24 mi, in 2 hr. Ret

crimeas [40]

Answer:

Rate of Bill's boat = 14 miles per hour

Speed of the current = 2 miles per hour

Step-by-step explanation:

Let x = the rate of the boat in still water and y = the rate of the current.

Distance traveled = 24 miles

Time taken for upstream motion = 2 hour

Time taken for downstream motion = 1.5 hour

Velocity of upstream motion = x - y

Velocity of downstream motion = x + y

We have

Displacement = Time x Velocity

Upstream motion

24 = 2(x-y)

x - y = 12 ----------------------------eqn 1

Downstream motion

24 = 1.5(x+y)

x + y = 16 ----------------------------eqn 2

eqn 1 + eqn 2

2 x = 28

x = 14 miles per hour

Substituting in eqn 2

14 + y = 16

y = 2 miles per hour

Rate of Bill's boat = 14 miles per hour

Speed of the current = 2 miles per hour

4 0

3 years ago