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3 years ago

Can someone please help i posted this question already and it got ingored

Mathematics

1 answer:

coldgirl [10]3 years ago

3 0

The answer is C, since the number in the parenthesis represent what is being multiplied every year

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JUL DEJU ILI Determine the value of y, if x is – 7. y = x2 + 1 I need help

Arada [10]

Answer:

y=-13

Step-by-step explanation:

Plugging in -7:

y= (-7)2 + 1

-7 * 2 = -14

So:

y= -14 + 1

-14+1=-13

5 0

3 years ago

The Tennis Club decided to buy T-shirts for its members. Action Sports Apparel quoted the following prices for the T-shirts

Reika [66]

Answer:

Step-by-step explanation:

3 0

3 years ago

4. Write an equation for the line that is parallel to the given line and that passes

pentagon [3]

Answer:

$y=\frac{5}{2}x-14$

Step-by-step explanation:

Hi there!

What we need to know:

Linear equations are typically organized in slope-intercept form: $y=mx+b$ where m is the slope and b is the y-intercept (the value of y when x is 0)
Parallel lines always have the same slope

1) Determine the slope (m)

$y=\frac{5}{2}x-10$

In the given equation, $\frac{5}{2}$ is in the place of m, making it the slope. Because parallel lines have the same slope, the line we're currently solving for therefore has a slope of $\frac{5}{2}$ . Plug this into $y=mx+b$ :

$y=\frac{5}{2}x+b$

2) Determine the y-intercept (b)

$y=\frac{5}{2}x+b$

Plug in the given point (-6,-29) and solve for b

$-29=\frac{5}{2}(-6)+b$

Simplify -6 and 2

$-29=\frac{5}{1}(-3)+b\\-29=(5)}(-3)+b\\-29=-15+b$

Add 15 to both sides to isolate b

$-29+15=-15+b+15\\-14=b$

Therefore, the y-intercept is -14. Plug this back into $y=\frac{5}{2}x+b$ :

$y=\frac{5}{2}x-14$

I hope this helps!

4 0

3 years ago

#7:Write the expression in simplest radical form. V24x5y2

vazorg [7]

2x^2y√6x

the image has the answer in a mor clear form

8 0

3 years ago

I need to find how many solutions does the system have.

REY [17]

From what I got there is one real solution :)

Rearrange the second equation to give y=2-2x, substitute into the first equation to give you a value for x and then using that you can work out y for the exact coordinates of intersection :)

Also they are both straight line graphs so they will either have one or no solutions

Hope this helped :)

4 0

3 years ago