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Slav-nsk [51]
3 years ago
15

What is 4/5 plus 11/12?§

Mathematics
1 answer:
saul85 [17]3 years ago
8 0
4/5 + 11/12
To add fractions they must have the same denominator (bottom number)
Let's change the denominators of our fractions to something else.
This new denominator should be divisible by the old ones (5 and 12)
Let's just use 5 × 12 = 60 as our denominator.

To get 4/5 to a denominator of 60--
The top and bottom of any fraction can be multiplied by the same number to get an equal fraction and essentially change the denominator.
We want to multiply 5 by something to get 60...
let's multiply the top and bottom of 4/5 by 12.
4/5 = 48/60

Now, 11/12.
We need to mulitply the top and bottom by 5 to get the bottom to 60.
55/60

Now instead of
4/5 + 11/12
we have
48/60 + 55/60
Let's add the numerators (top numbers).
(48+55)/60
103/60

If you need your answer as a mixed number:
103/60
60/60 + 43/60
\boxed{1\frac{43}{60}}
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Indicate below whether the equation in the box is true or false 1/6 = to 6/12​
Vitek1552 [10]

Answer: 1/6 is not equal to 6/12 because 6/12 is 1/2 and 1/6 is less

Step-by-step explanation:

6 0
3 years ago
Enter an equation that expresses y in terms of x.<br> x: 20, 30, 40, 50<br> y: 18, 28, 38, 48​
zheka24 [161]

Answer:

y=x-2

Step-by-step explanation:

y=x-2

y=20-2=18

7 0
4 years ago
What is the sum of the arithmetic sequence 153, 139, 125, …, if there are 22 terms?
Tamiku [17]

a_1=153\\a_2=139\\a_3=125\\\vdots\\\\d=a_2-a_1\to d=139-153=-14

The formula of the sum of the arithmetic sequence:

S_n=\dfrac{2a_1+(n-1)d}{2}\cdot n

We have:

a_1=153\\d=-14\\n=22

substitute

S_{22}=\dfrac{2\cdot153+(22-1)\cdot(-14)}{2}\cdot22=(306+21\cdot(-14))\cdot11=132

4 0
4 years ago
The point (0, –4) is located
mixer [17]

I'm going to assume you're asking where the point is located on a coordinate plane.

We have x = 0 and y = -4.

So, we start at (0, 0) and move down 4 units.

Best of Luck!

7 0
3 years ago
Write a system of equations to describe the situation below, solve using elimination, and fill in the blanks.
asambeis [7]

Answer:

child buffet = $16, adult buffet =$23

Step-by-step explanation:

lets assume that child buffets costs, $x

and adult buffets costs $y

2x+4y= $124 .............this is our first equation

x+4y =$108 ................our second equation

<em>2x + 4y = 124</em>

<em>2x = 124 - 4y</em>

<em>x = 62 - 2y ....from first equation</em>

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

<em>x+4y =$108</em>

<em>x = 108 -4y ... from second equation</em>

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

now we will solve it through simultaneous equations

<em>62 - 2y = 108 -4y</em>

<em>2y = 46</em>

<em>y = $23</em>

<em>if y =$23</em>

<em>then x = 108 - 4(23)</em>

<em>x = $16</em>

3 0
3 years ago
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