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quester [9]
3 years ago
11

A=2 b=3 c=4 1) ab - c = 2) 6c - 2b= 3) a + b - c + 5 = 4) 7c - 2a =

Mathematics
2 answers:
bekas [8.4K]3 years ago
7 0

Step-by-step explanation:

1)ab-c

=2(3)-4

=6-4

=2

2)6c-2b

=6(4)-2(3)

=24-6

=18

3)a+b-c+5

=2+3-4+5

=10-4

=6

5)7c-2a

=7(4)-2(2)

=28-4

=24

Lady_Fox [76]3 years ago
4 0

Answer:

1. 2×3=6 6-4= 2

2.6×4=24. 24-6=18

3.2+3=5. 5-4=1. 1+5=6

4. 7×4=28. 28-4=24

Step-by-step explanation:

when a number is next to a letter it means to multiply

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F(x)=2x^2-5 g(x)=5x+7
maks197457 [2]

Answer:

I love algebra anyways

The ans is in the picture with the  steps how i got it

(hope this helps can i plz have brainlist :D hehe)

Step-by-step explanation:

5 0
2 years ago
Please help @Nopinkiepie and @Oretummy
zubka84 [21]
Easy peasy
the fastest way is to pretend we have 1 big rectangle with  2 smaller rectangles cut out
see attachment

the big one is 12 by 7
the smaller ones are 5 by6 and 5 by 6

big-smaller=area
big=12*7=84
smaller=5*6+5*6=30+30=60

big-smaller=84-60=24


answer is 24 in²

first choice

3 0
3 years ago
Question in screen shot
sasho [114]

Answer:

c.

Step-by-step explanation:

The inverse function returns the original value for which a function gave the output. A function that consists of its inverse fetches the original value

f(-1)=1,  then:  f^{-1}(1)=-1\\f(2)=0,  then:  f^{-1}(0)=2\\f(3)=3,  then:  f^{-1}(3)=3\\f(4)=8,  then:  f^{-1}(8)=4

4 0
2 years ago
I really need help with this question
Sergeu [11.5K]

Answer:

39

Step-by-step explanation:

I assume the father's age is a 2-digit number. He is not 9 years old or younger, and he is not 100 years old or older.

The sum of the digits of a two-digit number goes up by 1 from one number to the next unless the number ends in 9.

For example, from 17 to 18, the sum of the digits goes from 8 to 9.

If the number ends in 9, for example, 29, the digits add to 11. Then the next number is 30, and now the sum of the digits is 3, which is less than 11.

The father's age now is a number whose sum of digits is not only greater than the sum of the digits next year, but it is 3 times greater.

Let's look at 2-digit number and the next number and the sum of their digits.

19, 20; sums: 10, 2; 10/2 = 5, not 3

29, 30; sums: 11, 3; 11/3 ≠ 3

39, 40; sums: 12, 4; 12/4 = 3

Answer: The father is 39 years old.

5 0
2 years ago
Read 2 more answers
SOMEONE PLEASE HELP THIS QUESTION CONFUSED ME THE MOST!!! I WILL GIVE BRAINLEIST ANSWER
musickatia [10]
I think it's 6.216 x 10^8 if this is about standard notation
6 0
2 years ago
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