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Kisachek [45]
3 years ago
14

Some help me again lol please no links please

Mathematics
1 answer:
Alexus [3.1K]3 years ago
5 0
It’s B hope this helps
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Multiply using mental math find the product.tell which strategy you used.
andreyandreev [35.5K]
Well nine times 199 is 1,791but im not sure if thats what its asking
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3 years ago
Choose the correct equation in point-slope form for the line that passes through the point with the given slope. (2, -1), m= -3
Inga [223]
Y - y1 = m(x - x1)
slope(m) = -3
(2,-1)...x1 = 2 and y1 = -1
now we sub....pay attention to ur signs
y - (-1) = -3(x - 2)....not done yet
y + 1 = -3(x - 2) <===
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A line has a slope of -1/2 and a y-intercept of –2. What is the x-intercept of the line? –4, –1, 1 ,4
grin007 [14]
To get the x-intercept, we simply set y = 0 and solve for "x".

now, we have the slope and the y-intercept, well, let's plug those two in the slope-intercept form, reason why is called that anyway,

\bf y=\stackrel{slope}{-\cfrac{1}{2}}x\stackrel{y-intercept}{-2}\implies 0=-\cfrac{x}{2}-2\implies \cfrac{x}{2}=-2\implies x=-4
5 0
3 years ago
Write the equation in exponetial function
SIZIF [17.4K]
First let's solve for the rate, "b", by setting up a ratio with the two points given:

16.875/7.5=(ar^3)/(ar)

2.25=r^2

r=1.5

Now we need to solve for the initial value a using either point given...

7.5=a(1.5)^1

7.5=1.5a

a=5

So now we have solved for both variables and have a complete equation:

y=5(1.5)^x

3 0
3 years ago
suppose you have $250 in a savings account and decide to save a additional $10 peach month. write the equation to find the total
mestny [16]
Y=10x+250

The slope represents the amount of money added in per month, and the y-intercept represents the original amount.

Hope this helps!

5 0
3 years ago
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