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ch4aika [34]
2 years ago
9

Can please someone help me out and explain it step by step. Thank you

Mathematics
1 answer:
Anit [1.1K]2 years ago
7 0

Answer:x=7, \ y=-2

Step-by-step explanation:

Given

Equations are 3x-y=23 and 2x+3y=8

take 3x-y=23

y=3x-23

Put the value of y in another equation

\Rightarrow 2x+3(3x-23)=8\\\Rightarrow 2x+9x-69=8\\\Rightarrow 11x=77\\\Rightarrow x=7

Put the value of x in y

y=3(7)-23=21-23=-2

Hence, x=7, \ y=-2

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Steve is taller than Jon, but Elijah is taller than Steve. Is Elijah taller than Jon?
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What is the answer <br> 1.<br> 2.<br> 3.<br> 4.
joja [24]

Answer:

Domain of the function f(x) = cos x : ( - infinity , + infinity)

Step-by-step explanation:

Let the given function f(x) = cos x

We need to find the domain set of the given function f(x) = cos x

Domain is the set of all possible value of x for which the function f(x) is defined.

Now, as the given function f(x) is defined for all the real values of x.

Domain of the function f(x) = cos x : ( - infinity , + infinity)

Hence, Domain : ( -∞ , +∞ )

Also, the graph of the given function f(x) = cos x is attached below :

Now, form the graph also we can see the graph of given function f(x) = cos x can attain all the real values starting from -infinity to +infinity

3 0
3 years ago
Help please thank you!
Alborosie

Step-by-step explanation:

p = -1, -4

q = -2, 2

p-q = (-1, -4) -1(-2, 2)

= 1, -6

7 0
2 years ago
The fish tanks at the Grant Pet Store each hold the same amount of water. Rose used 9 3/5 pitchers of water to fill 6 tanks. How
GrogVix [38]

Answer:

The number of pitchers required to 1 tank is 8/5.

Step-by-step explanation:

Number of tanks filed by 9 3/5 pitchers = 6

So,

6 tanks are filled 48/5 pitchers

1 tank is filled by

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So, the number of pitchers required to 1 tank is 8/5.  

3 0
3 years ago
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