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padilas [110]
3 years ago
7

Name the polynomial 200p - 30p^2m + 40m^3 based on the number of terms.

Mathematics
1 answer:
Sonbull [250]3 years ago
6 0
It's highest degree is 3, and has 3 terms, so this is a third-degree trinomial
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Select the correct answer.<br> What is the solution to the equation?
Ierofanga [76]

Answer:

B

Step-by-step explanation:

\sqrt{x} + 6 = x ( subtract 6 from both sides )

\sqrt{x} = x - 6 ( square both sides )

x = (x - 6)² ← expand using FOIL

x = x² - 12x + 36 ( subtract x from both sides )

0 = x² - 13x + 36 , that is

x² - 13x + 36 = 0 ← in standard form

(x - 4)(x - 9) = 0 ← in factored form

Equate each factor to zero and solve for x

x - 4 = 0 ⇒ x = 4

x - 9 = 0 ⇒ x = 9

As a check

Substitute these values into the equation and if both sides are equal then they are the solutions.

x = 4

left side = \sqrt{4} + 6 = 2 + 6 = 8

right side = x = 4

Since 8 ≠ 4 then x = 4 is an extraneous solution

x = 9

left side = \sqrt{9} + 6 = 3 + 6 = 9

right side = x = 9

Thus the solution is x = 9 → B

8 0
2 years ago
What is 5.37 as a mixed number.
bezimeni [28]
5\frac{37}{100} = \frac{537}{100}
3 0
3 years ago
Read 2 more answers
Olve for x. 3(3x - 1) + 2(3 - x) = 0 x = 3/7 x = -3/7 x = 1/3 x = -1/3
zloy xaker [14]

<u>Answer:</u>

x = -3/7

<u>Step-by-step explanation:</u>

We are given the following equation for which we have to solve for x:

3(3x - 1) + 2(3 - x) = 0

So we will start by expanding the equation by multiplying the common factor with the brackets to get:

9x-3+6-2x=0

Arranging the like terms together (variables on one side of the equation and constants on the other side) to get:

9x-2x=3-6\\\\7x=-3\\\\x=-\frac{3}{7}

Therefore, x = -3/7.

8 0
3 years ago
If a+b=6 and a-b = 4, what is the value of 2a + 3b?
elena-s [515]
A = 5
b = 1
(2*5) + (3*1) = 
10 + 3 = 
13
3 0
3 years ago
Write a word problem for the equation 3/4•1/2=3/8
Aleksandr [31]
Jessica is baking cookies for a bake sale and needed 3/4 cups of flower in the original recipe. Jessica's mom later found out that there wouldn't be as many guests so Jessica cut the recipe in half and needs half of the original amount of flour. Jessica now needs 3/8 cups of flour.
8 0
3 years ago
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