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Westkost [7]
1 year ago
5

6. Multiply: (x – 4)(x + 5)​

Mathematics
2 answers:
Elena-2011 [213]1 year ago
6 0

Answer:

x^2+x-20

Step-by-step explanation:

(x-4)(x+5)

=x^2-4x+5x-20

=x^2+x-20

Hope This Helped

Anvisha [2.4K]1 year ago
3 0

Answer:

x^2+x-20

Step-by-step explanation:

1) Use the FOIL method: (a+b)(c+d)=ac+ad+bc+bd.\\

x^2+5x-4x-20

2) Collect like terms.

x^2+(5x-4x)-20

3) Simplify.

x^2+x-20

<em>What is the FOIL method</em>

It stands for:

First, Outside, Inside, Last

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Solve for x.<br><br><br><br> Enter your answer in the box.
rewona [7]

Answer:

x=61

Step-by-step explanation:

A 5 sided shape always has 540 degrees in angles in total. So, 540-90-107-144-138. Do this, and it gets you 61 degrees. Therefore x = 61 degrees

6 0
2 years ago
The gas tank is 20% full. At $3.00 per gallon of gas, find the cost to fill the tank. (1 gal = 231 in.3)
rewona [7]
The correct question in the attached figure

we know that

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the answer is
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7 0
3 years ago
Consider the graph that represents the following quadratic equation y=-1/3(x+2)^2+5
makkiz [27]
We have that
<span>y=-1/3(x+2)</span>²<span>+5

using a graph tool
see the attached figure

we know that
1) the graph open downward
2) the vertex of the graphic is the point (-2,5)
3) the axis of symmetry of the graph is x=-2
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</span><span>
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7 0
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In the past month, Hans rented 1 video game and 3 DVDs. The rental price for the video game was $2.40. The rental price for each
soldi70 [24.7K]

Answer:

$10.80

Step-by-step explanation:

$2.40 + $2.80(3)

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5 0
2 years ago
Read 2 more answers
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Serggg [28]
A composite number is a number that can be divided <span>evenly </span>
<span>by numbers other than 1 or itself. So in this case  the composite factors that make up 50 are: 25 and 10</span>
7 0
3 years ago
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