2 years ago

Craig ran 4 days last week. His distances were

1 answer:

8 0

6.875 average.

To calculate the average you add up all of the numbers and divide it by the number of numbers there are, in this case there are 4 numbers. So you add 3.25+6.5+7.25+10.5 and divide that by 4

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X + y - z = - 2, 2x - y + z = 8, - x + 2y + 2z = 10

Maurinko [17]

Answer:

Step-by-step explanation:

3 0

2 years ago

-20 - 4y when y = -3 need help asap

andreev551 [17]

Since y=-3 you need to set up the equation
-20-(-3)
And all you have to do is simplify
So your answer will be
-17

Hope this helped :)
Have a great day

8 0

3 years ago

Find the values of a through e that make these two relations inverses of each other.

kotegsom [21]

Answer:

Use math papa the calculator and copy and paste your work into it or use inspect if your on computer

Step-by-step explanation:

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3 years ago

Simplify. x/4x+x^2

djyliett [7]

$\bf \cfrac{x}{4x+x^2}\implies \cfrac{\begin{matrix} x \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}}{\begin{matrix} x \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~(4+x)}\implies \cfrac{1}{4+x}\qquad \{x|x\in \mathbb{R}, x\ne -4\}$

if you're wondering about the restriction of x ≠ -4, is due to that would make the fraction with a denominator of 0 and thus undefined.

3 0

3 years ago

A gym has three trainers, Aldo, Bertha, and Coco, who each have 1/3 of the new members. A person who trains with Aldo has a 60%

GarryVolchara [31]

Answer:

1/10

Step-by-step explanation:

P(a successful member

had Bertha as her trainer) = P(Bertha being you trainer) x P(being successful if

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= 1/3 x 30/100

= 30/300

= 1/10

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3 years ago