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frozen [14]
3 years ago
12

How do you solve this question /

Mathematics
1 answer:
Alinara [238K]3 years ago
8 0

Answer:

5/18

Step-by-step explanation:

Parentheses next to each other mean to multiply. So, this problem means you need to multiply -4/9 and -5/8. To multiply fractions, you just have to multiply across. To make it easier to understand what I mean...

<u>-4 </u>x <u>-5</u>  = <u>20</u> (when you multiply two negatives, it makes a positive)

9 x 8   = 72

20/72 simplifies to 5/18.

Hope this helps!! Have a wonderful day C:

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twenty seven out of forty dentists recommended a certain whitener for teeth. if 1080 dentists recommended the whitener in the su
Anestetic [448]

Answer:

1,600 dentists were surveyed in total.

Step-by-step explanation:

We can set up a proportion for this problem:

\frac{27}{40} = \frac{1080}{x}\\\\\\

Now we can cross multiply:

27*x = 1080*40\\\\27x = 43,200\\\\27x/27 = 43,200/27\\\\x = 1,600

1,600 dentists were surveyed in total.

3 0
3 years ago
Ben is 4 times as old as I Ishaan and is also 6years older than ishaan
777dan777 [17]

Answer:

24

Step-by-step explanation:

4 times 6 =24

7 0
3 years ago
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4 cupcakes because if you do 12/ 1/.. you do kcf = to 12 x 1/3= 4

your welcome

7 0
3 years ago
Write an equation to represent each graph​
givi [52]

equation for first figure=2x+y=2

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where, a=x component and b= y component..

7 0
3 years ago
Does this Graph represent a function? Why or why not?
koban [17]

Answer: Yes

Step-by-step explanation:

To solve this, imagine you have a vertical line. You can use a ruler or something straight. Move the ruler across the screen. Does the ruler intersect 2 points at once? If so, then it is not a function. If it only intersects one point, then it is a function.

Always remember: a function cannot have two x's with different y-values.

Hope that helped!

3 0
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