Which expression is equivalent to 6(8 - n) - 8?

Mathematics

1 answer:

Lera25 [3.4K]3 years ago

4 0

Answer:

40-6n

Step-by-step explanation:

6(8-n)-8

48-6n-8

48-8-6n

40-6n

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What is y={\dfrac{4}{5}}x+2y= 5 4 x+2y, equals, start fraction, 4, divided by, 5, end fraction, x, plus, 2 written in standard

Alex73 [517]

Answer:

$5y-4x=10$

Step-by-step explanation:

We have been given an equation $y=\frac{4}{5}x+2$ . We are asked to write our given equation in standard form.

We know that standard form of an equation is in form $Ax+By=C$ , where A, B and C are constants.

First of all, we will bring x term to left of the equation as:

$y-\frac{4}{5}x=\frac{4}{5}x-\frac{4}{5}x+2$

$y-\frac{4}{5}x=2$

Now, we will multiply both sides of equation by 5 as:

$y\cdot 5-\frac{4}{5}x\cdot 5=2\cdot 5$

$5y-4x=10$

Therefore, our equation in standard form would be $5y-4x=10$ .

6 0

3 years ago

ASAP PLZ

Nimfa-mama [501]

As per the problem

The chemicals in my swimming pool use a ratio of 5 tablets of chlorine for every 14 days.

we have been asked to find

Which ratio shows the number of chlorine tablets needed for 42 days?

Since for each 14 days the number of tablets required is 5

So if you multiply the number of days by some number then, we will have to multiply the number of tablets required by the same number.

So When number of days $=14*3=42\\$

Then the number of tablets required for 42 days is $=5*3=15\\$

6 0

3 years ago

Read 2 more answers

Circle A is shown with a central angle marked 30 degrees and the radius marked 5 inches.

anyanavicka [17]

The area for a sector of a circle is $A=\frac{\theta}{360}*\pi r^2$ . If our angle is 30 and our radius is 5, that fits in like so: $A=\frac{30}{360}\pi (5)^2$ . It appears that the first choice is what we want except you forgot to square all the radii.