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Oksanka [162]
3 years ago
13

Suppose a,b,c represent three positive whole numbers. if a+b=13 and b+c=22 and a+c=19 what is the value of c

Mathematics
1 answer:
aivan3 [116]3 years ago
5 0

Answer: C = 14

Step-by-step explanation: You can assume the A is less than B, and if you just go down in numbers such as A=6 and B=7 (To solve A + B = 13), you will eventually get to A=5 and B=8. If you do B = 8 + C = 14 ( That you get after subtracting 8 by 22 ) You should get 22, and to proof check it, you do A + C which is going to be 5 + 14 and you get 19 thus proving that C = 14.

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3 years ago
Solve the compound inequality 6b < 36 or 2b + 12 > 6.
ss7ja [257]

Answer:

all values of b

Step-by-step explanation:

6b < 36 or 2b + 12 > 6.

First solve the one on the left

6b < 36

Divide by 6

6b/6 < 36/6

b  <6

Then solve the one on the right

2b + 12 > 6

Subtract 12 from each side

2b+12-12 >6-12

2b >-6

Divide by 2

2b/2 >-6/2

b >-3

b<6 or b >-3

Rewriting

b>-3  or b<6

b > -3 is an open circle at -3 with a line going to the right

b < 6 is an open circle at 6 with a line going to the left

The or means we add the lines together

We have a line going from negative infinity to infinity

all values of b

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3 years ago
Read 2 more answers
Jessica has 4/8 of a bottle of Robitussin syrup on hand. The pharmacist instructs Jessica to reduce the syrup by 1/2 so he can p
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Answer:

0

Step-by-step explanation:

First, in order to subtract these fractions, we need the denominators to be the same number.

4/8 x 2 = 8/16

1/2 x 8 = 8/16

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3 years ago
Which function has a greater rate of change over the interval [0,2]
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Answer:

g(x) has a greater average rate of change

Step-by-step explanation:

From the given information, the table is:

<u>x     |    g(x)</u>

-1          7

0           5

1            7

2            13

From this table, we have g(0)=5 and g(2)=13

The average rate of change over [a,b] of g(x) is given by: \frac{g(b)-g(a)}{b-a}

This implies that on the [0,2]. the average rate of change is:

\frac{g(2)-g(0)}{2-0}=\frac{13-5}{2}=\frac{7}{2}=3.5

Also, we have that: f(0)=-4 and f(2)=-1.

This means that the average rate of change of f(x) on [0,2] is

\frac{f(2)-f(0)}{2-0}=\frac{-1--4}{2}  =\frac{3}{2} =1.5

Hence g(x) has a greater average rate of change on [0,2]

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3 years ago
How would I write an inequality for h and -6 equaling at least 5
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H - 6 (greater than or equal to) 5

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