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gavmur [86]
2 years ago
5

Solve for r r/8 =7 r = ____

Mathematics
2 answers:
Nostrana [21]2 years ago
4 0

Answer:

r=56

Step-by-step explanation:

Since, r divided by 8 gives 7, if you do the inverse function(which is basically like the reverse of the question)

you can multiply 8 and 7 to find the r.

So 8 times 7 gives 56.

And to check you can do

\frac{56}{8} which gives 7

You can tell me if my explanation is wrong. Thanks

kenny6666 [7]2 years ago
4 0
56

(Mark me the brainliest)
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Please explain the how you got the answers thanks asap
stich3 [128]

Answer:

a) 90 stamps

b) 108 stamps

c) 333 stamps

Step-by-step explanation:

Whenever you have ratios, just treat them like you would a fraction! For example, a ratio of 1:2 can also look like 1/2!

In this context, you have a ratio of 1:1.5 that represents the ratio of Canadian stamps to stamps from the rest of the world. You can set up two fractions and set them equal to each other in order to solve for the unknown number of Canadian stamps. 1/1.5 is representative of Canada/rest of world. So is x/135, because you are solving for the actual number of Canadian stamps and you already know how many stamps you have from the rest of the world. Set 1/1.5 equal to x/135, and solve for x by cross multiplying. You'll end up with 90.

Solve using the same method for the US! This will look like 1.2/1.5 = x/135. Solve for x, and get 108!

Now, simply add all your stamps together: 90 + 108 + 135. This gets you a total of 333 stamps!

5 0
3 years ago
When the sum of 8 and a certain number is increased by 12, the result is the same as the product of 3 and the number. What is th
Roman55 [17]
ANSWER: The number is 10.
Hope this helps!!

I used the variable n as the number we needed to find. The equation was n + 8 + 12 = 3n

6 0
3 years ago
Find the value of f(-8).
fredd [130]

Answer:

-8f

Step-by-step explanation:

5 0
3 years ago
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alukav5142 [94]

Answer:

-1

Step-by-step explanation:

4 0
3 years ago
HELP PLEASE i just need the answer and if you could tell me how you did it I WILL GIVE 50 POINTS ​
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Answer:

G 36

Step-by-step explanation:

Hope this helps. Pls give brainliest.

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3 years ago
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