5a squared + 4ab
I need help with my online homework

Answers

Answer 1

Answer: $5a^2 + 4ab \n \n gcf = a \n \n a( (5a^2)/(a) + (4ab)/(a) ) \n \n a(5a + 4b) \n \n$

The answer is: a(5a + 4b).

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What is nine more than a number y, if that number is 4? 13 9 4 7
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Someone answer this before the day ends please
How do you put this in simplest form?

Why did the French explore and colonize parts of North America? A.
to enslave Native Americans as workers in France

B.
to establish a democratic republic

C.
to build cattle ranches

D.
to look for gold and trap for furs

Answers

Answer:

Option D.

Step-by-step explanation:

To look for gold and trap for furs, is the right answer.

The French initially came to the United States as explorers, who were trying to find a route to the Ocean and resources. The French finally attempted to build some colonies throughout North America that abandoned, due to various reasons such as disease, weather or struggle with other European authorities. Though during the course of time, they established colonies in the Americas, their initial motive was to look for gold and trap for furs.

I think it would be b because that is what the french explores did back then

For the data in the table, does y vary directly with x? If it does, write an equation for the direct variationx y
10 12
15 18
20 24

Answers

Say that:

$\left( { x }_( 1 ),{ y }_( 1 ) \right) =\left( 10,12 \right) \n \n \left( { x }_( 2 ),{ y }_( 2 ) \right) =\left( 15,18 \right) \n \n \therefore \quad \frac { \delta y }{ \delta x } =\frac { { y }_( 2 )-{ y }_( 1 ) }{ { x }_( 2 )-{ x }_( 1 ) } =\frac { 18-12 }{ 15-10 } =\frac { 6 }{ 5 } \n \n$

If this is the case,

$y=\frac { 6 }{ 5 } x$

Another way to solve the problem,

$y\propto x\n \n \therefore \quad y=kx$

When x=10, y=12, so...

$12=k\cdot 10\n \n k=\frac { 12 }{ 10 } =\frac { 6 }{ 5 } \n \n \therefore \quad y=\frac { 6 }{ 5 } x$

Answer:

y=1.2x

Step-by-step explanation:

A total of 120,000 votes were cast for 2 opposing candidates, Garcia and Pérez. If Garcia won by a ratio of 5 to 3, what was the number of votes cast for Pérez?

Answers

Total votes = 120,000
Gracia won by a ratio of 5 : 3
so, total votes earned by Gracia = 5/8 * 120,000 = 75000

So, number of votes cast for Pérez = (120000 - 75000)
=

A triangle has side lengths of 5, 9 and 12. Is it right acute or obtuse?

Answers

$a\leq b\leq c\ (a;b;c-side\ lengths\ of\ the\ triangle)\n\nthere\ is\ a\ relationship:\n\na^2+b^2=c^2-right\ triangle\n\na^2+b^2 < c^2-obtuse\ triangle\n\na^2+b^2 > c^2-acute\ triangle$

$a=5;\ b=9;\ c=12\n\na^2+b^2=5^2+9^2=25+81=106\n\nc^2=12^2=144\n\na^2+b^2 < c^2\n\nAnswer:Obtuse\ triangle$

How do i solve and graph $5x- y \geq 5$

Answers

one way is to make it into slope intercept form which is
y=mx+b
m=slope
b=y intercept or where the line will go though the y axis
treat the equal to or greater than sign as equals for now

5x-y=5
subtract y from both sides
5x=5+y
subtract 5
5x-5=y
put the sign back in
5x-5 ≥ y
reverse
y ≤ 5x-5

one way is to subsitute values and get values out so
if x=1 then
y≤5(1)-5
y≤0
(x,y)
(1,0)
(2,5)
(3,10)
(4,15)
(0,-5)

plot the points
then the ≤ sign
since ther is an underline, that means that the points are included so draw a solid line through the points

then figure out which side to shade on
the easy way is, is the point (0,0) a solution?
subsitute
0 ≤ 5(0)-5
0 ≤ -5
false so we shade the section that does not include the point (0,0) in it
the graph would look like this attachment

(you have to put y alone {Ex: y = 12x + 3 (yis alone on one side)}

5x - y ≥ 5 (subract 5x from each side)
-y ≥ -5x + 5 (divide - or -1 from each side) Note: when you are dividing or multiplying anything negative the sign changes
y ≤ 5x - 5 <--- answer

As for graphing you take the equation and graph it normally, but with a slight change. since y is less than or equal to 5x - 5, you have to color on the spACE BELOW the graphed line.

see picture:

Why might algebra tiles not be a good tool to use to factor x2 + 18x + 80? Explain.

Answers

For the polynomial x² + 18x + 80, to represent using algebra tiles would be difficult because the number of tiles needed would be very plenty.

Polynomial

Polynomial is an expression that involves only the operations of addition, subtraction, multiplication of variables.

Algebra tiles is the use of tiles to represent variables and constants.

Given the polynomial x² + 18x + 80, to represent using algebra tiles would be difficult because the number of tiles needed would be very plenty.

Find out more on Polynomial at: brainly.com/question/2833285

Answer:

Algebra tiles would not be a good tool to use to factor the trinomial because you would need to drag an x-squared tile, 18 x-tiles, and 80 plus tiles. That is a total of 99 tiles. It would take a lot of time to drag that many tiles on the board and there might not be enough space to hold all of them. You would also need to determine how to arrange all those tiles to make a rectangle. Since 80 is a multiple of 10, you might recognize that 10 and 8 are the factors that add to 18, which would give you the values to use in the X method.

WARNING!!!!!!!

This is an sample response, so if u can put it in your own words.

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