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3 years ago

(3x+8)(x+6) plz helpp

Mathematics

1 answer:

Karo-lina-s [1.5K]3 years ago

7 0

3x^2+26x+48, hope that helped

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The app store is offering 15 percent off any purchase for one day, only you decide to buy a game app that cost 12 dollars and 90

siniylev [52]

Answer:

$1.935

Step-by-step explanation:

As the store is offering a 15% discount, you have to calculate the 15% of the price of the game app to find the amount of the discount:

Price of the game app= 12.90

12.90*15%=1.935

According to this, the answer is that the amount of the discount if you buy the game app during the sale is $1.935 and you would have to pay: 12.90-1.935= $10.965.

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3 years ago

Identify the relationship (complementary, linear pair/supplementary, or vertical) and find the value of x in the image below.

ivanzaharov [21]

Answer:

Step-by-step explanation:

64 = 4x

64/4 = 4x/4

16 = x

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4 years ago

The city of Beijing has a population of more than 10 to the 7th power people. Write 10 to the 7th power without using an exponen

stealth61 [152]

10^7 = 10 * 10 * 10 * 10 * 10 * 10 * 10 = 10 000 000

7 0

3 years ago

Read 2 more answers

A certain rectangular prism has a height of 6 m, a length of 5 m, and a width of 4 m. Give the dimensions of a second rectangula

slava [35]

Answer:

I think sqrt(74/3)

Step-by-step explanation:

I saw this problem before

4 0

3 years ago

Which binomial is a factor of 9x2 + 24xy + 16y2?

ohaa [14]

Option A

The binomial factor is 3x + 4y

Solution:

We have to find the binomial factor of given equation

Given equation is:

$9x^2+24xy+16y^2$

Let us factor the given expression

$9x^2+24xy+16y^2$

$\mathrm{Rewrite\:}9\mathrm{\:as\:}3^2\\\\=3^2x^2+24xy+16y^2\\\\\mathrm{Rewrite\:}16\mathrm{\:as\:}4^2\\\\=3^2x^2+24xy+4^2y^2\\\\\mathrm{Apply\:exponent\:rule}:\quad \:a^mb^m=\left(ab\right)^m\\\\3^2x^2=\left(3x\right)^2\\\\=\left(3x\right)^2+24xy+4^2y^2\\\\\mathrm{Apply\:exponent\:rule}:\quad \:a^mb^m=\left(ab\right)^m\\\\4^2y^2=\left(4y\right)^2$

$=\left(3x\right)^2+24xy+\left(4y\right)^2\\\\\mathrm{Rewrite\:}24xy\mathrm{\:as\:}2\cdot \:3x\cdot \:4y\\\\=\left(3x\right)^2+2\cdot \:3x\cdot \:4y+\left(4y\right)^2\\\\ \mathrm{Apply\:Perfect\:Square\:Formula}:\quad \left(a+b\right)^2=a^2+2ab+b^2\\\\a=3x,\:b=4y\\\\=\left(3x+4y\right)^2\\\\\rightarrow (3x+4y)^2 = (3x+4y)(3x+4y)$

Thus the binomial factor is 3x + 4y

Thus Option A is correct

8 0

3 years ago