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Novosadov [1.4K]
3 years ago
9

Solve the quadratic equation numerically (using tables of x- and y- values). x squared + 5 x + 6 = 0 a. x = -3 or x = -2 c. x =

-3 or x = -3
Mathematics
2 answers:
sineoko [7]3 years ago
6 0

Answer:

22

Step-by-step explanation:

I did it on math class

sladkih [1.3K]3 years ago
3 0

Answer:

2 solutions:  -2 and -3

Step-by-step explanation:

x² + 5x + 6 has the following factors:  (x+3)(x+2) = 0

x+3 = 0; one solution is -3

x+2 = 0; second solution is -2

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One number is 6 more than a second number, the sum of the two numbers is 330. what are the numbers?
maksim [4K]

Let's have the first number, the larger number, be <em>x</em>.  We'll have the second, smaller number be <em>y</em>.

We know that x = y + 6, since x is 6 greater than y.

We also know that 330 = x + y.

Because x = y + 6, 330 = y + 6 + y, which simplifies to 330 = 2y + 6.

Now all we need to do is simplify the equation.  First, we subtract 6 from both sides:

330 - 6 = 324

2y + 6 - 6 = 2y.

So we have 324 = 2y.  Then we divide both sides by 2 to get:

162 = y

Plug in y = 162 into the equation x = y + 6 to get:

x = 162 + 6

x = 168

Let's check to make sure our answer is right.  168 is 6 more than 162.  162 + 168 equals 330.  So our two numbers are 168 and 162.

7 0
3 years ago
The formula for the perimeter of a rectangle Is P = 2(1+w).
rjkz [21]

Answer:

P-l/2 = w

Step-by-step explanation:

First you divide both sides by 2 then you subtract L from both sides leaving you with P minus L / 2 equals W.

7 0
3 years ago
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The total cost of renting a vacation
sleet_krkn [62]

Answer:

y=125x+75

Step-by-step explanation:

Y= 125x+B

700=125(5)+B

700=625+B

700-625=625-625+B

75=B

4 0
4 years ago
Is there a rational number between 1/7 and 1/8
telo118 [61]
1/7 = 2/14 =  <span> <span> <span> 0.1428571429 </span> </span> </span>
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2/15 = <span> <span> <span> 0.1333333333 </span> </span> </span>
So, 2/15 is between 1/7 and 1/8
(and there are an infinite amount of numbers between 1/7 and 1/8)


5 0
4 years ago
A map has a scale of ¾ inch represents 6 miles. If two towns are 32 miles apart, what is their distance apart on the map?
serious [3.7K]
3/4 in = 6 mi
? In = 32 miles

32 * 0.74 / 6 = 4 in
The distance apart is 4 in
7 0
3 years ago
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