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Lyrx [107]
2 years ago
9

Solution to the system y=-x2-3x+2 y=x+6

Mathematics
1 answer:
worty [1.4K]2 years ago
8 0

Answer:

x=-2,y=4

Step-by-step explanation:

y=-x^2-3x+2

y=x+6

x+6=-x^2-3x+2

x^2+x+6=-3x+2

x^2+4x+6=2

x^2+4x+4=0

(x+2)(x+2)=0

x=-2

y=(-2)+6=4

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a drivet who drives at a speed of r mph for t hr will travel a distance d mi giveb by d = rt mi. how far will a driver travel at
Pavel [41]

D = RT ,
D = 59 × 5
D = 295 m

8 0
3 years ago
What binomial is a factor of 6x sqaured + 48x + 96?
Stella [2.4K]
6x² + 48x + 96
6(x² + 8x + 16)

6(x + 4)(x + 4) is your polynomial fully factored so I'm guessing the binomial you're looking for is (x + 4). 
5 0
3 years ago
Please help me out and show work
lina2011 [118]

Answer:

s(x)=\frac{0.2}{x+5}

Step-by-step explanation:

In 5 liters, there is 4% salt.

Lets find liters of salt.

First, converting 4% to decimal (dividing by 100):

4% = 4/100 = 0.04

0.04 * 5 = 0.2

So, there is 0.2 liters of salt.

Now, x liters of water is added to total, so total is now:

5 + x

The concentration of salt will be amount of salt divided by amount of salt water solution.

Amount of salt = 0.2 (as seen above)

Amount of new salt water solution = x + 5

So,

Concentration of salt in new solution is  \frac{0.2}{x+5}

2nd choice is right.

4 0
3 years ago
Help me pleaseeeeee!!!!!!!
Crank
The answer would be C
3 0
3 years ago
Perform the indicated operations; reduce the answer to lowest terms.
Misha Larkins [42]

d.

\frac{1}{15}

e.

\frac{6}{35}

f.

\frac{1}{15}

g.

\frac{9}{32}

h.

\frac{4}{15}

4 0
3 years ago
Read 2 more answers
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