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Lubov Fominskaja [6]
3 years ago
15

Sue's Sushi placed two orders with its fish supplier. One order was for 11 pounds of salmon and 6 pounds of tuna; the order tota

led $164. The other order was for 8 pounds of salmon and 4 pounds of tuna; this order totaled $116. What is the cost for one pound of salmon and one pound of tuna?
Mathematics
1 answer:
yawa3891 [41]3 years ago
8 0
Divide the cost of everything by the amount of tuna and salmon. I don’t know the specific answer but that’s the main thing to do in this scenario would be to divide
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Solve the following system of equations. Enter the y-coordinate of the solution. Round your answer to the nearest tenth.
ankoles [38]
Lets try substitution5x+2y=21=5x=21-2y=x=(21-2y)/5

sub into second equation

-2(21-2y)/5+6y=-34(-42+4y)/5+6y=-34solve for yy=-64/17plug into equation and solve for x=(97/17) 



7 0
3 years ago
Read 2 more answers
Given ​ f(x) = x^2 − 2x − 5​.
lukranit [14]

Answer:

(x - 1)^2 - 6

Step-by-step explanation:

You need to know:

Vertex form = a(x -h)^2 + k

The vertex is at

(h, k)

<u>Need to know about perfect squares </u>

<u>Need to know how to complete the square.</u>

-----------------------------------------------------------------------------------------

<u>To convert x^2-2x-5 you need to complete the square on the equation.</u>

Complete the Square x^2 - 2x -5

x^2 - 2x -5

(x^2 - 2x) -5

Divide -2 by 2 and then square it.

\frac{-2}{2} = -1

-1^2 = 1

Add the one to the parentheses and subtract the one from the 5

(x^2 - 2x +1) -5 -1

Square  (x^2 - 2x +1)

(x-1)^2

Now we have

(x - 1)^2 -5 -1

<u>Next add</u> -5 - 1 = -6

(x - 1)^2 - 6

Our quadratic is in vertex form now.

Vertex form = a(x -h)^2 + k

our equation =  (x - 1)^2 - 6

Vertex = (1, -6)

5 0
4 years ago
2x−7=−19 x =<br> x/-3+5=12 x =<br> 3/4x −5=4 x =
Nata [24]
I believe it’s x=3 i’m sorry if i wrong
7 0
3 years ago
Use words numbers or pictures to show how to group and count tally marks for the number 8
Ainat [17]
Look at the picture i have attached. 8 tally marks are four lines with one crossed over plus three more separate lines

5 0
3 years ago
Read 2 more answers
What is two-thirds of a number and eight please help me with this problem please please help me
Otrada [13]
<span>two-thirds of eight is </span>8*2/3, which equals to16/3
7 0
3 years ago
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