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Roman55 [17]
3 years ago
12

Multiply the following polynomials, then place the answer in the proper location on the grid. Write the answer in descending pow

ers of x.
(6x + 1)(5x + 8)
Mathematics
1 answer:
marshall27 [118]3 years ago
5 0
The easiest method of multiplying polynomials, in my experience, is the FOIL method. Honestly, I couldn't tell you what the letters stand for anymore, but I definitely remember how to do it. It's just distribution. 
(6x+1)(5x+8)
Multiply the 6x by 5x and 8, then the 1 by 5x and 8:
30x²+48x+5x+8
Then combine like terms:
30x²+53x+8
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Find the equation of the line perpendicular to y=−2 that passes through the point (4, −2).
vfiekz [6]

Answer:

x = 4

Step-by-step explanation:

y = - 2 is the equation of a horizontal line parallel to the x- axis.

A perpendicular line is therefore a vertical line parallel to the y- axis with equation

x = c

where c is the value of the x- coordinates the line passes through.

The line passes through (4, - 2 ) with x- coordinate 4 , thus

x = 4 ← equation of perpendicular line

5 0
3 years ago
Your class goes to an amusement park. admission is $10 for each student and $15 for each chaperone. the total cost is $380. ther
andrey2020 [161]

You would multiply the students by the price (12*10=120) then multiply chaperones by price (6*15=90) then add both prices together to get 210. Then you would subtract 210 from 380 to get how many boys are in the class. 380-210=170. Since each student cost 10 so you would divide 170/10=17. There would be 17 boys in your class.

7 0
3 years ago
What does 0.5(-12p - 4) equal to?
laiz [17]

Answer:

Use the distributive property to solve this equation: a(-b - c) = -ab - ac

Step-by-step explanation:

1. 0.5(-12p - 4) =

-6p - 2 is the answer.

Hope this helped!!!!

~Shane

6 0
3 years ago
50 Points
ANEK [815]

Answer:

x=5

Step-by-step explanation:

First you have to solve for y. Since it is a isoceles triangle, the two base angles are equal. You dont even need to solve for y because both of them will equal 73. Now you know two of the angles are 73 degrees, 146 in total. Since you know the total degrees in a triangle is 180, set up an equation that is adding all the angles to equal 180. Then solve for x.

Solve:

73+73+(6x+4)=180

146+6x+4=180

150+6x=180

6x=30

x=5

5 0
3 years ago
Read 2 more answers
Which sequence shows the number in order from least to greatest?<br>please help​
Mnenie [13.5K]
Answer: A

Explanation:

The square root of 45 is 6.70
_
8 5/6 as a decimal is 8.83

The absolute value of -23 is 23.
4 0
3 years ago
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