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3 years ago

I am not sure about this problem?

Mathematics

1 answer:

uranmaximum [27]3 years ago

3 0

The answer for your question is 4x^2-15x+6+ 2/3x+5

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Stacy is saving $5 each week to buy a new bike. She already has 15 dollars saved in her bank account. SHe needs to save at least

kotykmax [81]

She nee to save $60 more so she can buy a new bike

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3 years ago

I need answer?????????????????????

aleksklad [387]

The answer should be B! Hope this helped :)

5 0

3 years ago

The number of cable TV systems recently decreased from 16,300 to 16,020. Find the percent decrease.

irga5000 [103]

Percent decrease = (change in value) / (original value)

change in value = 9965-10100 =-135

We will just use 135 because the negative just that the value decreased

original value = 10100

So 135 / 10100 = .0134

This is a decrease of 1.34%

8 0

2 years ago

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Need help in math hurry

Ede4ka [16]

Answer: y= -7x

Step-by-step explanation:

Hope this helps :)

4 0

3 years ago

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Find an equation for the line below. Thanks !

daser333 [38]

Answer:

$\huge\boxed{y=\frac{1}{4}x + \frac{13}{4}}$

Step-by-step explanation:

In order to find the equation to this line, we need to note that we see two points on this graph. Using these two points, we can use them to find the slope of the graph and use one to find the y-intercept.

We know that the slope of a line is defined by $\frac{\Delta y}{\Delta x}$ (change in y / change in x). Therefore, we can use our two points that we know - (-5, 2) and (3, 4) to find the slope.

The change in y is $4 - 2 = 2$ , and the change in x is $3 - (-5) = 3+5= 8$ . Therefore, our slope is $\frac{2}{8} = \frac{1}{4}$ .

Now that we know our slope, our equation in slope-intercept form looks something like this.

$y = \frac{1}{4}x + b$

However, we still have b to solve for. We can solve for this by substituting a point we already know into the equation. Let's substitute (3, 4) inside.

$4 = \frac{1}{4} \cdot 3+b$
$4 = \frac{3}{4} + b$
$b = \frac{16}{4}- \frac{3}{4}$
$b = \frac{13}{4}$

So now we know that the y-intercept is $\frac{13}{4}$ . Plugging that into our equation finishes it off, leaving our final equation to be $y = \frac{1}{4}x + \frac{13}{4}$ .

Hope this helped!

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3 years ago

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