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3 years ago

Does anyone know the answer for this problem :P

Mathematics

1 answer:

Nana76 [90]3 years ago

7 0

Answer:

A: 6x^2 + 19x + 3

Step-by-step explanation:

6x + 1 (x +3)

use the foil method so first do 6x(x) and you get 6x^2 then 6x(3) + x(1) and you get the 19x then you just do 3(1) and you get your answer which as stated above is 6z^2 + 19x + 3

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At the movie theatre, child admission is $5.40 and adult admission is $8.70 . on friday, 159 tickets were sold for a total sales

blondinia [14]

Alright this is gonna be a long one

Lets called child tickets x and adult tickets y

so x + y should be equal to 159 since they said that the total sum of the tickets is 159
so thats your first equation : x + y = 159

next form an equation using the prices,
5.40x + 8.70y = 1079.70

now that you have your two equations, just substitute the first into the second (you could either substitute for x or y by saying x = 159-y or that y=159-x)

Hope this helps.

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What is the volume of a pyramid with an equilateral triangle for a base and a height equal to the base side length? Express your

8_murik_8 [283]

$\bf \begin{array}{llll} \textit{area of an equilateral triangle}\\\\ A=\cfrac{s^2\sqrt{3}}{4}\qquad \begin{cases} s=length~of\\ \qquad a~side \end{cases} \end{array}\qquad \begin{array}{llll} \textit{volume of a pyramid}\\\\ V=\cfrac{Bh}{3}~~ \begin{cases} B=area~of\\ \qquad its~base\\ h=height\\[-0.5em] \hrulefill\\ B=\cfrac{s^2\sqrt{3}}{4}\\[1em] h=s \end{cases} \end{array}$

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28,600 at 7.9% compounded semiannually for 2 years

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Answer:

You will have $33,393.66.

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4 years ago

Which inequality statement describes the two numbers: -13 and a

mafiozo [28]

Answer:

It is A because if you add -13 and 28 together you would get 15

Step-by-step explanation:

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3 years ago

10. In the figure below, ABCD is a square. DEFC, BCGH and AEFB are all

zysi [14]

Answer:

a) As sides of squares are always equal.

So,

BC=CD

2b+CF=a+b

CF= a+b-2b

CF= a-b

b) Area of rectangle CDEF= CDxCF

=(a+b)(a-b)

=(a²-b²)

Hope it helps :-)

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3 years ago