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2 years ago

Here are the travel times in minutes of 19 randomly chosen New York workers:

Mathematics

1 answer:

Phoenix [80]2 years ago

4 0

32 because you add all the number the divide by the total amount witch is 19

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How do I find the maximum profit of -30x2+660x-1500

lina2011 [118]

Answer:

2,130

Step-by-step explanation:

1. solve for x.

$x=-\frac{b}{2a}$

when $ax^{2} +bx+c$

$x=\frac{-660)}{2(-30)}\\\\x=\frac{-660)}{-60}\\\\x=11$

2. place value for X into equation

$y=-30x^{2} +660x-1,500\\y=-30(11)^{2} +660(11)-1,500\\y=-30(121)+7,260-1,500\\y=-3,630+7,260-1,500\\y=3,630-1,500\\y=2,130$

Maximim profit is 2,130.

3 0

3 years ago

Read 2 more answers

A line with slope 6.5 and y-intercept (0,-8)

nika2105 [10]

Answer:

The equation would be y = 6.5x-8

Step-by-step explanation:

6 0

2 years ago

Please help! <3

igomit [66]

Answer:

8 square units

Step-by-step explanation:

Area of a rectangle= lenght x width

locating the four points on a Cartesian plane

lenght = BC= AD = (0,4)->(4,4) = 4units

width = AB = CD = (0,2)-> (0,4) = 2units

Area of rectangle = 4units x 2units = 8 square units

3 0

3 years ago

Please need help with this

yanalaym [24]

Obtuse is the answer

3 0

3 years ago

Read 2 more answers

Add. Simplify your answer and write it as a proper fraction or as a whole or mixed number. 9/ 10 + 4/ 5 =

Serjik [45]

Before adding dissimilar fractions (fractions with different denominator), you have to make the fractions similar first. To make the fractions similar, find the Least Common Multiple of the denominator. In this case, the LCM is 10. Then rewrite the fractions using the LCM as the denominator.
9/10 = 9/10; 4/5 = 8/10
You can now proceed with addition -
9/10 + 8/10 = 17/10 or 1 7/10

3 0

3 years ago