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2 years ago

11

Mr. Wilson drives 450 miles in seven hours. At this rate, about how many miles does he drive in six hours? A) 101 B) 254 C) 340

D) 386

1 answer:

Deffense [45]2 years ago

5 0

I think D is the answer hope this helps

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If x=3y substitute the value of x into expression simplify 3x+6

Nutka1998 [239]

Answer:

(3y)3+6

Step-by-step explanation:

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2 years ago

Find the measure of MNI. please help! i’ll give you brainlist!

Sonbull [250]

Answer:

$m\angle MNI = 135^{\circ}$

Step by step explanation:

$\text{The exterior angle of a triangle = sum of two opposite interior angles.}$

$~~~~~~\angle MNI = \angle LMN + \angle MLN\\\\\implies 19x+2=(15x-12)+6x\\\\\implies 19x +2 = 21x-12\\\\\implies 21x -19x = 12+2\\\\\implies 2x = 14\\\\\implies x=\dfrac {14}2\\\\\implies x = 7\\\\\text{So,}~ m\angle MNI = 19(7)+2=135^{\circ}$

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2 years ago

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System of equations 12x-5y=-20 y=x+4

Fiesta28 [93]

12x-5(x+4)=-20
12x-5x-20=-20
12x-5x=-20+20
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3 years ago

Based on histogram above what is the average number of hours worked by 20 salesperson in company G

kiruha [24]

Answer:

$Average = 38$

Step-by-step explanation:

Given

The attached histogram

Required

The average work hours by 20 salespeople

First, we get the total hours worked as follows:

$Hours = 3 * 30 + 5 * 34 + 9 * 40 + 2 * 45 + 1 * 50$

$Hours = 760$

Divide by number of salespeople

$Average = Hours/n$

$Average = 760/20$

$Average = 38$

3 0

2 years ago

Help asap, will mark brainliest

allsm [11]

Thanks for clarifying the function

$f(x) = 4\cdot 2^x$

Part A.

The average rate of change is the change in y over the interval divided by the change in x over the interval. The change in x is just the length of the interval.

So section A, the average from 1 to 2 is

$a =\dfrac{ f(2) - f(1) }{2 -1 } = \dfrac{ f(2)-f(1)}{1} = 4 (2^2) - 4(2^1) = 16 - 8 = 8$

Section B, the average from 3 to 4 is

$b =\dfrac{f(4) - f(3)}{4-3} = \dfrac{f(4)-f(3)}{1} = 4 (2^4) - 4(2^3) = 4(16)-4(8) =64-32=32$

Part B.

Section B is changing (32/8=) four times faster than section A.

f is an exponential function that not only increases its value but increases the rate at which it increases its value. Each step of one unit in x doubles the rate of increase. Here we stepped two units, from [1,2] to [3,4], so quadrupled the rate.

4 0

2 years ago