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sveta [45]
3 years ago
12

What is -7/12 + 3/8?

Mathematics
2 answers:
inna [77]3 years ago
7 0

Answer:

-\frac{5}{24}

Step-by-step explanation:

zhannawk [14.2K]3 years ago
4 0

Answer:

\frac{-5}{24}

Step-by-step explanation:

let's use a common denominator! the easiest way is to multiply each side's numerator and denominator by the other's denominator. let's do this problem!

\frac{-7(8)}{12(8)} ----> \frac{-56}{96}

\frac{3(12)}{8(12)}-----> \frac{36}{96}

now that we have similar denominators, we can add the two numerators together!

-56 + 36 = -20!

\frac{-20}{96}

but wait! we can simplify it by dividing by 5 on both the numerator and denominator,

\frac{-5}{24}

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What is the reciprocal of each mixed number? Drag and drop the answer into the box to match each number.
Gnoma [55]
Hi there!! 

First, we are going to find the improper fraction of each mixed number. 

10 1/3 >>>>> 10*3+1=31 31/3

2 2/3 >>>>> 2*3+2=8.      8/3 

5 1/3 >>>>>> 5*3+1 = 16.  16/3 

TO find the reciprocal, we switch the numerator with the denominator. 

31/3 changes to 3/31, 8/3 changes to 3/8, and finally 16/3 changes to 3/16. 


Your answer is: 

3/31
3/8
3/16

Hope this helps! Let me know if you have any questions:)
5 0
4 years ago
I’ll give Brainliest!!
Gnoma [55]
Answer: 1.5

Step-by-step explanation: The difference between the 2nd And 4th is 7. Divide by 2 to get 3.5. Add 3.5 to f(2) to getf(3)
The difference between f(1) and f(2) will be 3.5 and that's 5-3.5 =1.5
F(5) is 15.5 f(6) is 19

7 0
2 years ago
This connects to the last one I did
vichka [17]
-4x+3 and -2y idk if that's completely right tho
4 0
3 years ago
Read 2 more answers
What is the distance between point A and point B?
DIA [1.3K]
The answer is possibly 10
4 0
3 years ago
Read 2 more answers
3. For the equation-4y = &amp;r, what is the constant of variation? (1 point)<br> ООО<br> 02
alexandr1967 [171]

Answer:

3).

- 4y = 8x \\  \frac{y}{x}  =  \frac{8}{ - 4}  \\  \frac{y}{x} =  - 2 \\ y =  - 2x \\ hence \: constant \: is \:  - 2

4).

y \alpha x \\ y = kx \\ where \: k \: is \: the \: constant \: of \: proportionality \\ when \: y = 24 \: and \: x = 8 \\ substitute \: in \: y = kx \\ 24 = 8k \\ k =  \frac{24}{8}  \\ k = 3 \\ value \: of \: constant = 3

If it was by 10, k = 3 by 10

k = 30

5).

general \: equation \: of \: line  \\ y = mx + c \\ but \: m =  \frac{2}{3}  \: and \: c = 9 \\ substitute \: for \: m \: and \: c \: in \: y = mx + c \\ y =  \frac{2}{3} x + 9 \\ alternatively \\ 3y = 2x + 27

7 0
3 years ago
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