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Butoxors [25]
3 years ago
7

What's the equation of the line with a slope of -3 (m=-3) that passes through (-1,2)

Mathematics
1 answer:
Sladkaya [172]3 years ago
4 0
You can use slop point form: y-y1=m(x-x1)

y-2=-3(x+1)
y-2=-3x-3
y=-3x-1

Hope this helps!
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Y= 4x+6<br> -5x-y=21<br><br> what is the answer?
slamgirl [31]
I think the answer is (-8,-26)
5 0
3 years ago
Ya+yv=t What is the solution for y
Gelneren [198K]

Answer:

y = \frac{t}{a+v}

Step-by-step explanation:

Given

ya + yv = t ← factor out y from each term on the left side

y(a + v) = t ( divide both sides by a + v )

y = \frac{t}{a+v}

3 0
3 years ago
Find a function whose graph is a parabola with vertex (7, 8) and that passes through the point. (6, −9).
lukranit [14]
Work backwards from vertex form. Vertex form of a quadratic equation/parabola is the following: 

f(x) = a(x - h)² + k, where (h, k) is the vertex. 

f(x) = a(x - 6)² - 9 

Now, plug in the point that you're given to SOLVE FOR A. Remember that f(x) is just another way of writing y. 

8 = a(1)² - 9 
8 = a - 9 
a = 17 

So, plug in a = 17 into the equation. 

<span>f(x) = 17(x - 6)² - 9 ←← your answer.


I hope my answer has come to your help. Thank you for posting your question here in Brainly.
</span>
7 0
3 years ago
A Find the amount compounded annually on Rs 25,000 for 2 years if the rates of
STatiana [176]

Answer:

Amount = Rs. 30250 when Rate = 10%

<em>Amount = Rs. 31360 when Rate = 12%</em>

Step-by-step explanation:

Given

Principal, P = Rs.\ 25,000

Time, t = 2\ years

Rate; R_1 = 10\%

Rate; R_2 = 12\%

Number of times (n) = Annually

n = 1

Required

Determine the Amount for both Rates

Amount (A) is calculated by:

A = P(1 + \frac{r}{n})^{nt}

When Rate = 10%, we have:

Substitute 25,000 for P; 2 for t; 1 for n and 10% for r

A = 25000 * (1 + \frac{10\%}{1})^{1 * 2}

A = 25000 * (1 + \frac{10\%}{1})^{2}

A = 25000 * (1 + 10\%)^{2}

Convert 10% to decimal

A = 25000 * (1 + 0.10)^{2}

A = 25000 * (1.10)^{2}

A = 25000 * 1.21

A = 30250

Hence;

<em>Amount = Rs. 30250 when Rate = 10%</em>

When Rate = 12%, we have:

Substitute 25,000 for P; 2 for t; 1 for n and 10% for r

A = 25000 * (1 + \frac{12\%}{1})^{1 * 2}

A = 25000 * (1 + \frac{12\%}{1})^{2}

A = 25000 * (1 + 12\%)^{2}

Convert 12% to decimal

A = 25000 * (1 + 0.12)^{2}

A = 25000 * (1.12)^{2}

A = 25000 * 1.2544

A = 31360

Hence;

<em>Amount = Rs. 31360 when Rate = 12%</em>

7 0
3 years ago
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