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Genrish500 [490]
3 years ago
13

SOMEONE HELP MEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

Mathematics
2 answers:
n200080 [17]3 years ago
6 0
To find the amount of solutions, you must find the discriminant. The discriminant is b^2 - 4ac. Number 6 has 2 solutions and number 7 has 1 solution.
user100 [1]3 years ago
3 0
Hello there!

The one is asking lot of hard work and I don't know how to write the quadratic formula so I can't show the work for this one.
The answer is : two solutions

#2
Number two is easy to show my work
0 = 3x² + 18x + 27
-3x² - 18x - 27 = 0
Now all we have to do is factorize
-3(x + 3)(x + 3) = 0
Now set each factors equal to 0
x + 3 = 0 or x + 3 = 0
x = - 3
The correct option is A - One solution

A+ Guaranteed! If you have further question or misunderstand the steps please feel free to ask.

Have a nice day!
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The sum of Eric’s and Bob’s weights is 9 times the difference of their weights. The positive difference of their weights is also
Pie

Answer:

<u>150</u>

Step-by-step explanation:

So I will shorten Eric, and Bob's names as E, and B.

So the equations are this

B-E = B+E - 240, E as Eric, and B as Bob, and this E+B=9(E-B)

Move the variables and you get

-2E =- 240

Just divide them both by -2

and E=120

So when we know the value of E we can just plug it into the 1st question

120+B=9B+1080

Moves the Variables and numbers to the other side

8B=1200

1200/8= 150

B=150

There is Bob's weight

6 0
2 years ago
How do I find surface area of a triangular pyramid
emmasim [6.3K]

Use the formula SA=a+1/2ps

a=area of the base

p= perimeter of the base

s= slant height

3 0
3 years ago
A restaurant sells burritos for $8.00 each. The cost of the meat is $1.50 and the cost of the other ingredients is $1.00 for eac
Zina [86]

Answer: $550

Step-by-step explanation:                                                                                                                            

How much is the profit for 1 burrito?: $8 - ($1.50+$1) = $5.5

So, profit for 100 burritos is $5.5 x 100 = $550.

Hope this helps.

4 0
3 years ago
Read 2 more answers
Which is a correct way to find f(3) when f(x) = 2x27​
dalvyx [7]
The answer to = 2x27 is f(x)
5 0
3 years ago
If the triangle on the grid below is translated by using the (x,y) -&gt; (x+5, y-2) rule, what will be the coordinates of B'?
Art [367]
We know that
the coordinates of point B ( -5,0)

the translation has the following rule
(x,y)--------> (x+5, y-2)
so
(-5,0)-----> (-5+5,0-2)-----> (0,-2)

the answer is
<span>(0, –2) </span>
4 0
3 years ago
Read 2 more answers
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