Help me with this plz!?!? I will mark brainliest!!!

Mathematics

1 answer:

Troyanec [42]3 years ago

3 0

If the temp is 12f and changes by -26f
Is 38f

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How can 1/6x − 5 = 1/5x + 2 be set up as a system of equations?

Travka [436]

Given equation = 1/6x – 5 = 1/5x + 2
how can it be set up as linear of equation?
let’s start solving the given equation to show the system of equations:
=> 1/6 x – 5 = y
=> 6y = x – 30
=> 6y – x = -30

=> 1/5 x + 2 = y
=> 5y = x + 10
=> 5y – x = 10

Thus, the system of equation of the given equations are:
=> 6y – x = -30
=> 5y – x = 10

7 0

3 years ago

Use Remainder Theorem to determine if x-2 is a factor of the polynomial f(x)=3x^5 - 7x^3 -

morpeh [17]

Answer:

(x - 2) is not a factor of f(x) = 3x^5 - 7x^3 - 11x^2 + 2

Step-by-step explanation:

According to the Remainder Theorem, when a polynomial f(x) is divided by a term (x - r), then the remainder must be f(r).

So first we will divide f(x) by (x - 2) using long division to get:

(3x^5 - 7x^3 - 11x^2 + 2) / (x - 2)

= 3x^4 + (6x^4 - 7x^3 - 11x^2 + 2) / (x-2)

= 3x^4 + 6x^3 + (5x^3-11x^2+2) / (x - 2)

= 3x^4 + 6x^3 + 5x^2 (-x^2 + 2) / (x - 2)

= 3x^4 + 6x^3 + 5x^2 -x -2 - (2) / (x -2)

= $\frac{-2 + 3x^{5} - 7x^{3} - 11x^{2} + 2x}{x - 2} - 2$

Therefore the remainder is -2.

Now check x = 2 for 3x^5 - 7x^3 - 11x^2 + 2:

3(2)^5 - 7(2)^3 - 11(2)^2 + 2 = -2

The Remainder Factor theorem also states that if (x - r) is a factor of f(x) then f(r) must be 0.

So we found that f(2) = -2, therfore (x - 2) is not a factor of f(x) .

3 0

4 years ago

Read 2 more answers

The dot plot shows the number of flowers each science student was able to identify. A dot plot whose number line is labeled Numb

irina [24]

Answer:

The dot plot shows the number of flowers each science student was able to identify.

A dot plot whose number line is labeled Number of flowers identified. There are 2 dots above 0, 4 dots above 1, 5 dots above 2, 7 dots above 3, 4 dots above 4, 3 dots above 5, 2 dots above 6, 1 dot above 7, 2 dots above 8, 1 dot above 9, 1 dot above 10, and 1 dot above 12.

Select from the drop-down menus to correctly complete the statement.

The distribution of data is 1 "skewed right", with a mode of 2 "3", and a range of 3 "12".

Step-by-step explanation:

I took the test!

3 0

3 years ago

Solve each system by graphing.

KATRIN_1 [288]

There is a site that is called desmos that can help you.
Like so..↓