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Bingel [31]
3 years ago
12

Evaluate 6+4/a +b/3 then a =4 and b=3

Mathematics
2 answers:
asambeis [7]3 years ago
5 0

Answer:

8

Step-by-step explanation:

Plug in a =4 and b=3 into  6+4/a +b/3

6 + 4/4 + 3/3

= 6 + 1 + 1

= 8

yarga [219]3 years ago
3 0

Answer:

The answer would be 8.

Step-by-step explanation:

Here the given expression,

6+\frac{4}{a}+\frac{b}{3}

By substituting a = 4 and b = 3 in the above expression,

We get,

6+\frac{4}{4}+\frac{3}{3}

=6+1+1

=8

Therefore, the value of the given expression would be 8.

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A container holds 5L of fluid. Does it hold more than or less than 500mL of fluid
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4 years ago
At 5 p.m., the total snowfall is 2 centimeters. at 10 p.m., the total snowfall is 10 centimeters. what is the mean hourly snowfa
TEA [102]

Answer:

The mean hourly snowfall is 2.5 centimeters

Step-by-step explanation:

The mean hourly snowfall is the number of centimeters that fell during the period divided by the number of hours.

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7 0
2 years ago
A student solves the following equation and determines that the solution is −2. Is the student correct? Explain. 3 a + 2 − 6a a2
Ganezh [65]

For this case, we have the following equation (according to the comments):

\frac{3}{a+2} - \frac{6a}{a^2-4}  = \frac{1}{a-2}

First, we factor the quadratic expression in the denominator:

\frac{3}{a+2} - \frac{6a}{(a-2)(a+2)}  = \frac{1}{a-2}

Then, we multiply both sides of the equation by (a-2) (a + 2):

\frac{3(a-2)(a+2)}{a+2} - \frac{6a(a-2)(a+2)}{(a-2)(a+2)}  = \frac{(a-2)(a+2)}{a-2}

Later, canceling similar terms we have:

3(a-2) - 6a = a+2

We do distributive property on the left side of the equation:

3a-6-6a=a+2

By grouping variables and constant terms we have:

3a - 6a -a = 2+6

Rewriting we have:

-4a=8

Finally, by clearing "a" we have:

a=-\frac{8}{4} a=-2

Note: the value of a is a extraneous solution because it makes the denominator of the original equation equal to zero.

Answer:

the student correct, but the value of a= -2 is an extraneous solution

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4 years ago
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