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TiliK225 [7]
3 years ago
15

Solve the system of equations y=2x+1 y=x^2+2x-8

Mathematics
1 answer:
Lemur [1.5K]3 years ago
7 0

Answer:

(3,7) and (-3,-5)

Step-by-step explanation:

To solve the system of equations, graph both functions. The (x,y) point(s) where the functions intersect is the solution(s).

See attached picture.

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Hunter is playing a video game where each round lasts ¾ of an hour. He has scheduled 3 hours to play video games. How many round
NemiM [27]

Answer:

4

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3 0
3 years ago
Consider the equation 3a+0.1n=123. If we solve this equation for n, which equation would result? A. 0.1n=123-3a B. N=123-3a-0.1
neonofarm [45]

Answer:

n = (123 - 3a) / 0.1

Step-by-step explanation:

Given:

3a + 0.1n = 123

Solve for n

3a + 0.1n = 123

Subtract 3a from both sides

3a + 0.1n - 3a = 123 - 3a

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Divide both sides by 0.1

n = (123 - 3a) / 0.1

The resulting equation if 3a + 0.1n = 123 is solved for n is n = (123 - 3a) / 0.1

4 0
3 years ago
Every positive number has two square roots , a principal square root and its _____?
lukranit [14]
Definition: <span>The square root of a number is another number, which on multiplying with itself, will give the original number.
</span>
Every positive number has two square roots. One square root is positive, while the other is exactly same, but negative. The positive square root of a number is called its principle square root. For example, 10 and -10 are the two square roots of 100, but 10 is called the principle square root. 

Hence e<span>very positive number has two square roots , a principal square root and its opposite negative.</span>
<span />


3 0
3 years ago
Read 2 more answers
i have been on this test like- forever trying to figure this out im horrible at math someone please help me-
ss7ja [257]

Answer:

Step-by-step explanation:

total cost = c

students = s

cost = 7

c = s*7

independent is  s

dependent is c

7 0
3 years ago
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Mila [183]

Answer:

3

Step-by-step explanation:

4 0
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