4 years ago

I’ll mark brainliest please help!

Mathematics

1 answer:

Ber [7]4 years ago

7 0

Answer: it’s the 3rd one

Step-by-step explanation:

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Solve the quadratic equation numerically (using tables of x- and y- values).

garri49 [273]

benceA yada D bilemedim

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3 years ago

NEED ANSWER ASAP WILL GIVE BRAINLIEST

svetoff [14.1K]

1. you cant give brainliest unless 2 people answer...lel

id say the answer is 45cm2 because the shaded areas = to the non shaded one so just multiply it by 2 to get 45cm2 but im not 100% sure

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3 years ago

1. The total number of seats in an auditorium is modeled by f(x) = 2x2 – 6x, where x represents the number of rows. How many row

irakobra [83]

Answer:

Jose's solution is not correct, the auditorium has $16$ rows

Step-by-step explanation:

we have

$f(x)=2x^{2} -6x$

where

f(x)------> is the total number of seats in an auditorium

x----> represents the number of rows

How many rows are there in the auditorium if it has a total of 416 seats?

Find the value of x for f(x)=416 seats

substitute the value of f(x) in the equation

$416=2x^{2} -6x$

$2x^{2} -6x-416=0$

Using a graphing calculator

The values of x are $x=-13, x=16$

The solution is

x=16 rows because the number of rows can not be a negative number

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3 years ago

Write decimal as a fraction/mixed number in simplest form. 0.4

Nadusha1986 [10]

0.4 as a fraction would be 2/5 :)

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4 years ago

A line passes through the point (2, 3) and has an undefined slope, what is the equation of the line? A) y = 2 B) y = 3 C) x = 2

Harman [31]

"Undefined" slope means the line is vertical, of the form x = constant. The constant is the x-value of the point the line goes through.

C) x = 2

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