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Stella [2.4K]
2 years ago
5

What am I supposed to do here? I could use some help.

Mathematics
1 answer:
maw [93]2 years ago
6 0
If I'm correct...

The expression is not an equation. It is not solvable. I believe your expression here would be 1/3n because it is asking the relation of <em>n</em> feet to yards. Converting to yards from feet is to divide by 3, or multiply by the reciprocal, 1/3. So, by plugging your number of feet into the expression in place of <em>n</em>, you essentially divide by 3 and get your number of yards.

The equation is the actual solvable statement. You can use the expression to solve this. In the first part, you used the variable <em>n</em> for the number of feet. In this part, you use <em>f</em> instead. This new expression would be 1/3f. Now, what is that expression equal to? Well, you're solving for the number of yards. So, if the number of yards is represented by <em>y</em>, then the equation should be y=1/3f.
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THIS IS MY LAST QUETSION!!!! Please help!!!
DedPeter [7]

Answer:

x=19(rounded) or 18.7882942281

Step-by-step explanation:

a^2+b^2=C^2

8^2+17^2=C^2

64+289= C^2

353=C^2

\sqrt{353} =\sqrt{C^2}\\

18.7882942281= C

19= C

7 0
2 years ago
Plz help me because i can't find the number 45 in the graph chat
Karolina [17]
The answer is H because per every 3 parents there is 45 students, 45/3 is 15 and if you look at H y1= x15 and y2=x30 and so n so
3 0
3 years ago
Read 2 more answers
A washer and a dryer cost $1029 combined. The washer costs $79 more than the dryer. What is the cost of the dryer?
Darina [25.2K]
X = dryer
(X+79) = washer
X + (X+79) = $1029
Therefore, x+x+79= 1029 or 2x+79=1029
Solve for x

2x = 1029-79
2x = 950

2x/2 = 950/2

X= $475 The price of the dryer is $475
4 0
3 years ago
Read 2 more answers
Help me please don't understand it
cluponka [151]

Answer:

r = 1

Step-by-step explanation:

  Direct variation describes a relation ship in which two variables are directly proportion and is represented as,

 y = rx or

\sf r =\dfrac{y}{x}

From the table,

      \sf r =\dfrac{5.8}{5.8}\\\\r = 1

4 0
10 months ago
How do you solve this system of linear equation by substitution <br><br>x-3y=-12<br>y=2x+9
Ainat [17]
Finding x:
If y=2x+9, substitute y into the equation x-3y=-12.
You will get:  x-3(2x+9)=-12
Now, distribute:  x-6x-27=-12
Add like terms:  -5x-27=-12
Add 27 to both sides:  -5x=15
Divide both sides by -5:  x=-3

Now, substitute this value of x into the equation to find y:  y=2(-3)+9
Multiply:  y=-6+9
Add:  y=3

Here is the solution:  (x,y)=(-3,3)

Hope this explanation helped!




6 0
3 years ago
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