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3 years ago

Boston wheel chair marathon how long would it take to run a 30 mile race

Mathematics

1 answer:

cestrela7 [59]3 years ago

8 0

G all please come to mpu-xcny-did

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The x3 was supposed to be an exponent not 3x

mote1985 [20]

Answer:

The value of x is $2\sqrt[3]{2}$

Step-by-step explanation:

We are given $2+x^3=18$

We need to solve for x

First we subtract 2 both sides

$x^3=18-2=16$

Taking cube roots both sides to isolate x

$x=\sqrt[3]{16}$

Simplify the radical

$x=2\sqrt[3]{2}$

Thus, The value of x is $2\sqrt[3]{2}$

8 0

3 years ago

Experimental data are collected as:

aliina [53]

Answer:

$y = 1.00114x + 1.75243$

Step-by-step explanation:

Given

The x and y values

Required

The regression line equation

Because of the length of the given data, I will run the analysis using online tools, then analyze the result.

From the analysis, we have:

$\sum x = 5050$

$\sum y = 5231.1011$

$\bar x = 50.5$

$\bar y = 52.311$

$SSX = 83325$ --- Sum of squares

$SP = 83419.7626$ --- Sum of products

The regression equation is calculated as:

$y = ax + b$

Where:

$a = \frac{SP}{SSX}$

So, we have:

$a = \frac{83419.76}{83325}$

$a = 1.00114$

$b = \bar y - a * \bar x$

$b = 52.31 - (1.00114*50.5)$

$b = 1.75243$

So:

$y = ax + b$ becomes

$y = 1.00114x + 1.75243$

6 0

3 years ago

Answer the following questions

EleoNora [17]

1. In a week there are 7 days. So your andwer would be 21/10. The decimal is 2.1.

3 0

3 years ago

3 and 1/2 x 6 and 1/2

Lera25 [3.4K]

Answer:

91/4 or 22 3/4

Step-by-step explanation: i just know

5 0

3 years ago

Determine the period.

soldier1979 [14.2K]

Answer:

Step-by-step explanation:

we are being told that each square is one unit. so, look at peak to peak and count the units.

1,2,3,4,5,6,7

From peak to peak is 7 units, so the period is 7

8 0

2 years ago