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Gelneren [198K]
3 years ago
11

How do I do kcf in math

Mathematics
1 answer:
juin [17]3 years ago
7 0
Um well KCF stands for Keep Change Flip which is used for dividing fractions... ask if you need a better description ☺️
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I /2of an obtuse angle is a(n):
olga_2 [115]

Answer:

I think it should be B. Acute angle

7 0
3 years ago
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La suma de dos números es 14 añadiendo 1 al mayor se obtiene el doble del menor cuáles son los dos números. si puede ser explica
elena-s [515]

Answer:

The two numbers are 9 and 5.

Step-by-step explanation:

The question is:

The sum of two numbers is 14, adding 1 to the greatest gives twice the smallest which are the two numbers. if it can be explained please

Solution:

Denote the two numbers by <em>x</em> and <em>y</em>.

It is provided that:

x+y=14...(i)

Also,

x+1=2y\\\Rightarrow x-2y=-1...(ii)

Solve the equations (i) and (ii) by the substitution method as follows:

In equation (ii) substitute <em>x</em> = 14 - y and solve for <em>y</em>:

x-2y=-1\\14-y-2y=-1\\-3y=-1-14\\-3y=-15\\y=5

Substitute <em>y</em> in equation (i) and solve for <em>x</em> as follows:

x+y=14\\x+5=14\\x=14-5\\x=9

Thus, the two numbers are 9 and 5.

4 0
3 years ago
Can someone answer the questions and do what is asks please.
BigorU [14]
1) 4c*2
2)a*2
3)c
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5 0
3 years ago
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Fran is limited to watching television less than 12.6 hours per week. She has already watched 4.2 hours, and each show is 0.7 of
malfutka [58]

Answer: the number of hpurs that Fran can watch this week is lesser than 12

Step-by-step explanation:

Let x represent the number of hours of television that Fran can watch in a week.

Fran is limited to watching television less than 12.6 hours per week. She has already watched 4.2 hours, and each show is 0.7 of an hour long. The inequality representing the situation is expressed as

0.7x + 4.2 < 12.6

0.7x + 4.2 < 12.6 - 4.2

0.7x < 8.4

x < 8.4/0.7

x < 12

4 0
3 years ago
Read 2 more answers
I will give a thanks
vlabodo [156]
15 times 2 = 30
20 times 2 = 40
40 + 30 = 60 
60 / 6 = 10
so the answer will be 10
3 0
3 years ago
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