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mafiozo [28]
4 years ago
5

What's the unit fraction of 23/138?

Mathematics
2 answers:
Mice21 [21]4 years ago
7 0
1/6 If you have a graphing calculator, it would be simple to type in the fraction as a division equation then type MATH, ENTER, ENTER.
Ann [662]4 years ago
7 0
If you multiply 23 times 6 you will get 138 then you already know 23 times 1 is 23 so the answer is 1/6
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Substitute 3x+y=4 5x-y=22
Mrac [35]
Simultaneous Equations

3x + y = 4
5x  - y = 22
The signs of the matching values aren't the same so we add the rest of the equations.
8x = 26
Divide both sides by 8 to get x = 3.25
Now substitute back into the first equation.
(3 x 3.25) + y = 4
9.75 + y = 4
Subtract 9.75 from both sides
y = -5.75
4 0
3 years ago
Johnny paid $42 for 12 cartons of orange juice. What is the unit rate, in dollars per carton, of orange juice that Johnny paid?
Assoli18 [71]

First, you do

<em>42 </em>divided by <em>12</em>

<em>42/12</em>

That will equal = <em>3.5</em>

So the correct answer is the first one

<em>$3.50</em> per carton

3 0
3 years ago
Mary bought 1 1/2kg of apples and Nancy bought 3 5/6 kg. How many kg did they buy all together.
siniylev [52]
They both bought 5 1/3 kg of apples because 1 1/2 + 3 5/6= 5 1/3 kg
4 0
4 years ago
Find the range of the function f(x)=2x+4
never [62]

Answer:

(0,4)

Step-by-step explanation:

this is highest and only Y intercept. the range of a graph is all of the Y intercepts. and the domain of a graph is all of the x-intercepts

6 0
3 years ago
On square PQRS below, if Q is located at (7,0) and R is located at (5,-8) what is the length of SR
jenyasd209 [6]

the length of SR is 2\sqrt{17} .

<u>Step-by-step explanation:</u>

Here we have , On square PQRS below, if Q is located at (7,0) and R is located at (5,-8) . We need to find Length of side SR . Let's find out:

We know  that  , In a square there are  4 sides , and length of every side is same . So side length of SR = side length of QR . Now , Let's find side length of QR .

We know that distance between two points Q(x_1,y_1),R(x_2,y_2) given by :

⇒ QR = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Two points given are Q(7,0), R(5,-8) :

⇒ QR = \sqrt{5-7)^2+(-8-0)^2}

⇒ QR = \sqrt{(2)^2+(-8)^2}

⇒ QR = \sqrt{4+64}

⇒ QR = \sqrt{68}

⇒ QR = 2\sqrt{17}

But QR=SR , Therefore , the length of SR is 2\sqrt{17} .

8 0
4 years ago
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