(2, 5.5) across the y-axis

Mathematics

2 answers:

Mamont248 [21]2 years ago

8 0

Answer:

irdk maf is hard am i right

Step-by-step explanation:

mafiozo [28]2 years ago

6 0

Answer:

-2, 5.5

The best way to do this is to draw a graph.

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Minchanka [31]

Answer: C

Step-by-step explanation: Hope this help :D

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2 years ago

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Chris bought "c" tickets to a movie for $9 each. Michael bought " m" tickets to another movie for $10 each. Write an expression

Fynjy0 [20]

Answer:

9c + 10 (see below)

Step-by-step explanation:

To find how much Chris spent on tickets, you can write an expression to represent the situation:

$9c

You can do this to find how much Michael spent as well:

$10m

To find how much Chris and Michael spent combined, add their two costs:

9c + 10

5 0

2 years ago

(255)/(6)*(672)/(9)+(37)/(9) How do you work this out step by step??

koban [17]

Step 1. Type it into a Google search box or calculator. (You need to use a calculator anyway.) The result is 3177 4/9.

If you're doing this according to the Order of Operations, you do the multiplication and division left to right. This means the first calculation you do is
255/6 = 42.5
Next, you multiply by 672
42.5*672 = 28560
Then divide by 9
28560/9 = 3173 3/9

You continue by doing the division
37/9 = 4 1/9

And finish by adding the two results
3173 3/9 + 4 1/9 = 3174 4/9

_____
If you're doing this by hand, you can recognize the first term as the product of two fractions, so is the product of numerators divided by the product of denominators.
(255*672)/(6*9)
Using your knowledge of divisibility rules, you can do the division 672/6 to simplify this to
(255*112)/9
Now, the first term and the second term have the same denominator, so you can add the numerators before you do the division.
(255*112 + 37)/9 = (28560 + 37)/9 = 28597/9
You end up having to do only two simple divisions, rather than 3 of them.
28597/9 = 3177 4/9