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-BARSIC- [3]
3 years ago
15

Solve the following system pf equations

Mathematics
1 answer:
mr Goodwill [35]3 years ago
5 0

Answer:

Step-by-step explanation:

If you need to do this by graphing, you need to change the format of each equation into slope intersect form

start with 3x-2y=-24

-2y=-3x-24

y=-3/2x+12

To graph this, the y intersect (where it crosses the y axis) is 12 and from there the slope is -3/2

For the next equation,

-3x-y=6

-y=3x+6

y=-3x-6

So the y intersect is -6 and the slope is -3.

Once you graph both of these, the point where both lines cross AKA the intersecion is the solution to the problem.

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Sarah is selling bracelets and earrings to make money for summer vacation. The bracelets cost 2 Pesos each while the earrings co
Mama L [17]
2:3 =5 and 5 too £500 = x100
so £3 x 100 =£300 and 2x£100=£200 she can sell 100 bracelets
3 0
3 years ago
The average rate of change of f from 2 to 3
vodomira [7]

For a function of f, the average rate of change can be found as follows:


ARC=\frac{f(x_{2})-f(x_{1})}{x_{2}-x_{1}}


So, this problem asks for the Average Rate of Change of f from x_{1}=2 to x_{2}=3. In this way, we need to find f(x_{1}) \ and \ f(x_{2}). As you can see above, we have the graph of f(x), so we can find these values. Thus, from the graph:


f(x_{1})=4 \\ f(x_{2})=1


Therefore:


ARC=\frac{1-4}{3-2} \\ \\ \therefore \boxed{ARC=-3}

8 0
4 years ago
5 over 12 plus 1 over 4
solmaris [256]

Answer:

8/12

Step-by-step explanation:

find common denominator then add

5/12 + 3/12 = 8/12 or 2/3 as simplify

4 0
3 years ago
What’s 7/7 in the math world
telo118 [61]

Answer:

it is 1

Step-by-step explanation:

because 7 divided by 7 is one

8 0
2 years ago
Read 2 more answers
I need help with this
olga2289 [7]

Answer:

x = 24.52

Step-by-step explanation:

Since this is a right triangle, use Pythagorean Theorem to solve for the hypotenuse.

Pythagorean Theorem: a² + b² = c²

24² + 5² = x²

576 + 25 = x²

601 = x²

√601 = x

4 0
3 years ago
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