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grigory [225]
3 years ago
7

2x+y=1 2x+y = -4 Find the solution

Mathematics
1 answer:
maks197457 [2]3 years ago
3 0

Answer:

The answer is No solution

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The original retail of a leather chair is listed at $121.40 and is discounted by 60% in a summer sale. What is the discount and
olga2289 [7]

Answer:48.56

Step-by-step explanation: 121.40-60%=

5 0
3 years ago
How many 10 kobo coins are there in #9.90?
baherus [9]

Answer:

99

Step-by-step explanation:

1₦ = 100 k

₦9.90 =?

=990k

990/10=99

4 0
2 years ago
Whats the cost of each vegetable if 5 squash and 2 zucchini is $1.32​
alex41 [277]

Answer:

Step-by-step explanation:

 

We first need to define a couple of variables.  Let s = the cost of 1 squash and z = the cost of 1 zucchini.

 

Now lets translate the words into algebra:

 

"The cost of 5 squash and 2 zucchini is $1.32"  ===>  5s  +  2z  =  1.32

 

"Three squash and 1 zucchini cost $0.75"  ===>   3s  +  z  =  0.75

 

There are several ways to solve systems of equations.  Let's use substitution.  We can find what z equals in terms of s by manipulating the second equation:

 

 3s  +   z   =   0.75

-3s                 -3s

------------     -------------

           z    =  -3s  +0.75

 

Now lets substitute (-3s + 0.75) into the first equation for z, then solve for s:

 

 5s + 2(-3s + 0.75) = 1.32

 

Can you handle it from here?

 

(Hint: Once you have solved for s, you can substitute that value back into either of the equations and solve for z.)

3 0
3 years ago
9x^2 - 8x - 1 = 0<br> What are the x intercepts?
sasho [114]
9x^2  - 8x - 1 = 0

(9x + 1(x - 1) = 0

x = -1/9 , 1  

x intercepts are -1/9 and 1.
4 0
3 years ago
PLEASE HELP ME I DONT UNDERSTAND!
Salsk061 [2.6K]

We know that

\sf Slope=\dfrac{y_2-y_1}{x_2-x_1}

Slope = -4 - 5/-2 - 1

Slope = -9/-3

Slope = 3/1

Slope = 3

Hence,

Slope is 3

7 0
3 years ago
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