In a school with 2,000 students, a random sample of 120 students were asked which fruit is their favorite. Their

Mathematics

2 answers:

alex41 [277]3 years ago

7 0

567 students would pick orange

Maslowich3 years ago

5 0

567 students would pick orange

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<img src="https://tex.z-dn.net/?f=%5Csqrt25" id="TexFormula1" title="\sqrt25" alt="\sqrt25" align="absmiddle" class="latex-formu

anzhelika [568]

Answer:

Rational

Step-by-step explanation:

The square root of 25 is 5, which is a rational number.

4 0

3 years ago

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PLEASE THIS IS URGENT HELP! Solve for x, 8x - 2(5)= 18

irina [24]

X=3.5 add 10 and divide by 8

7 0

3 years ago

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if there are 2040 seats in a section of a stadium, 20 seats in the first row, and 4 more seats in each row, how many rows are th

Lorico [155]

2040 = n/2(20+(n-1)4)

4080 = n(20+4n-4)

4080= 20n +4n^2 -4n

1020 = 4n + n^2

n^2 +4n -1020 =0

use common formula (can't write out so just look at answers. sorry)

which gives answers of n=-34 and n=30. since n can only be positive, n=30 so there are 30 rows. I liked that challenge

5 0

3 years ago

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Find the slope of the line through each pair of points (6, -10) , (-15 , 15)

dem82 [27]

<h3>Answer:</h3>

$\boxed{\boxed{\pink{\bf \leadsto The \ slope \ of \ the \ line \ is \ \dfrac{-25}{21}.}}}$

<h3>Step-by-step explanation:</h3>

Two points are given to us and we need to find the slope of the line . The slope of the line passing through points $\bf (x_1,y_1 ) \ \& \ (x_2,y_2)$ is given by ,

$\qquad\boxed{\red{\bf Slope = tan\theta=\dfrac{y_2-y_1}{x_2-x_1}}}$

Here , the points are ,

( 6 , -10 )
( -15 , 15 )

$\bf\implies Slope = \dfrac{y_2-y_1}{x_2-x_1} \\\\\bf\implies Slope =\dfrac{15-(-10)}{-15-6} \\\\\bf\implies Slope = \dfrac{15+10}{-21}\\\\\bf\implies Slope =\dfrac{-1(25)}{-1(-21)}\\\\ \bf\implies\boxed{\red{\bf Slope =\dfrac{-25}{21}}}$