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2 years ago

What is the product? (-2x-9y^2)(-4x-3)

Mathematics

2 answers:

telo118 [61]2 years ago

6 0

Answer:-8x^2-6x+36xy^2+27y^2

Step-by-step explanation:

using the FOIL method

amid [387]2 years ago

5 0

The product of $(-2x-9y^2 )(-4x-3)$ is $8x^2+27y^2+6x+36xy^2$

Explanation:

Given:

$(-2x-9y^2 )(-4x-3)$

Let the above equation is equal to k

$k= (-2x-9y^2 )(-4x-3)$

Now, we will solve the right hand side of the above equation

$k=8x^2+6x+36xy^2+27y^2$

So, the above equation would become

$k=8x^2+27y^2+6x+36xy^2$

So, the final answer of the above product is

$8x^2+27y^2+6x+36xy^2$

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If y is the circumcenter is angle STU find each measure

snow_tiger [21]

Answer:

Measures are SV=9 units., SY=14 units, YW= $\sqrt75units$ , YW= $\sqrt27units$

Step-by-step explanation:

Given Y is the circumcenter of ΔSTU. we have to find the measures SV, SY, YW and YX.

As Circumcenter is equidistant from the vertices of triangle and also The circumcenter is the point at which the three perpendicular bisectors of the sides of the triangle meet.

Hence, VY, YW and YX are the perpendicular bisectors on the sides ST, TU and SU.

Given ST=18 units.

As VY is perpendicular bisector implies SV=9 units.

Also in triangle VTY

$YT^{2}=VY^{2}+VT^{2}$

⇒ $14^{2}=VY^{2}+9^{2}$

⇒ VY^{2}=115

As vertices of triangle are equidistant from the circumcenter

⇒ SY=YT=UY=14 units

Hence, SY is 14 units

In ΔUWY, $UY^{2}=YW^{2}+UW^{2}$

⇒ $14^{2}=YW^2+11^{2}$

⇒ $YW^2=196-121=75$ ⇒ YW= $\sqrt75units$

In ΔYXU, $UY^{2}=YX^{2}+XU^{2}$

⇒ $14^{2}=YX^2+13^{2}$

⇒ $YX^2=196-169=27$ ⇒ YW= $\sqrt27units$

Hence, measures are SV=9 units., SY=14 units, YW= $\sqrt75units$ , YW= $\sqrt27units$

4 0

2 years ago

Given data for different baseball teams’ number of home runs and wins for the past season, how would you find the equation of th

NNADVOKAT [17]

You can get the amount that they get, by getting the amount of home runs vs the amount of wins they won, to show how the homeruns affect the wins

you can have x as the wins, and y by the amount of homeruns per win.

Then you can create first a bar graph, and then a line graph, to show how the homeruns affects the victory

hope this helps

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2 years ago

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Find the interest for each loan. $252 at 8% for 2 years: ________ $400 at 2% for 6 months:________ $5,000 at 3.5% for 1 year:___

prisoha [69]

Hi there! I can help you! Okay. So to find the amount of interest, we have to do the formula prt. That means multiply the principal, which is the initial amount of money, the rate, which is the interest rate, and the amount of time, which is usually in years. With that being said, here is how the answers turn out.

$252, 8% for 2 years: $40.32
$400, 2% for 6 months: $4
$5,000, 3.5% for 1 year: $175
$6,240, 10% for 9 months: $468

For the months, we just convert those numbers into decimal. 6 months is 1/2 a year, so it would be 0.5 and 9 months is 3/4 of a year, so that decimal would be 0.75. All you have to do is multiply the amount of money by percentage (you can do it by decimal form) by amount of time, and you’ll be good.

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2 years ago

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Marty teaches music in his community. He teaches three classes a day, and each class has fewer than 8 students. If Marty teaches

Molodets [167]

It is c becase x<8 translates to x is less than 8

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2 years ago

Find ST if S(-3,10) and T(-2,3)

Aleonysh [2.5K]

Answer:

ST = 7.07 units