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3 years ago

8

Josh lives one for 6 miles from the park so far he walked 2/3 of the distance from his house to the park how many miles has josh

walked

1 answer:

Naily [24]3 years ago

6 0

Answer:

2

Step-by-step explanation:

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Dan and Juanita are arguing, again! Dan says the revenue function for the

Gwar [14]

Find

R(V)

p(x)×x
x(-3/2x+112)
-3/2x²+112x

Now

y=-3/2x²+112x

Find vertex x coordinate

-b/2a
-112/-2(-3/2)
-37.3

Put in equation

y=-3/2(-37.3)²+112(-37.3)
y=-2086.9-84+4177.6
y=$6264.6
y=$62.64M

As a is negative parabola is facing downwards hence vertex is minimum .

So minimum value is $62M which is far more than given .

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2 years ago

Joel is getting a dog, a cat, and a hamster. He goes to the pet store and can choose from 8 dogs, 12 cats, and 5 hamsters. How m

melamori03 [73]

It can be 1/8
Or 1/12
Or 1/5

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3 years ago

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Trudy bought a $20 prepaid long distance phone card. for every minute that she talks, $0.25 is deducted from her card. The funct

Aleksandr-060686 [28]

Answer:

Step-by-step explanation:

Given the function f(m)=20-0.25m to represent the amount of money f(m) she has left after talking m minutes, the zero of the equation can be gotten by setting f(m) to 0

f(m)=20-0.25m

0 =20-0.25m

-20 = -0.25m

m = -20/-0.25

m = 80

Hence Trudy will have talked for 80minutes if she has no money left

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3 years ago

Jerry was using matrices to solve the system of three equations. He has shown all his steps. Did he make a mistake if so in what

melomori [17]

There are several ways to solve a system of equation; one of these ways is the use of matrix.

<em>Jerry made a mistake at step 2</em>

From the attachment, the step 1 is represented as:

$\mathbf{\frac 12R_1 \left[\begin{array}{cccc}1&1&1&0\\5&3&-2&-4\\3&2&1&1\end{array}\right] }$

The equation in step 2 is given as:

$\mathbf{R_2 = 5R_1 - R_2}$

This means that:

We subtract the elements of row 2 from the elements of row 1, multiplied by 5

So, we have:

$\mathbf{R_2 = 5\left[\begin{array}{cccc}1&1&1&0\end{array}\right] } - \left[\begin{array}{cccc}5&3&-2&-4\end{array}\right] }$

Expand

$\mathbf{R_2 = \left[\begin{array}{cccc}5&5&5&0\end{array}\right] } - \left[\begin{array}{cccc}5&3&-2&-4\end{array}\right] }$

Subtract corresponding cells

$\mathbf{R_2 = \left[\begin{array}{cccc}0&2&7&4\end{array}\right] }$

So, the new row 2 elements should be:

$\mathbf{ \left[\begin{array}{cccc}0&2&7&4\end{array}\right] }$

However, the row 2 elements of Jerry's steps are:

$\mathbf{R_2 = \left[\begin{array}{cccc}0&-2&-7&-4\end{array}\right] }$

This means that:

Jerry made a mistake; and the mistake is at step 2

Read more about matrix at:

brainly.com/question/21848291

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A person is studying the relationship between temperature and mental ability. So,

valina [46]

Answer:

control

Step-by-step explanation:

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3 years ago