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Hitman42 [59]
2 years ago
11

If a/4 = b/7, what is the value of (a-b) / b?

Mathematics
2 answers:
DerKrebs [107]2 years ago
8 0
First we will find out the values of a
a/4=b/7
a=4b/7

Now
(a-b)/b
{4b/7-b}/b
(4b-7b)/7b
-3b/7b
-3/7
borishaifa [10]2 years ago
8 0

Answer:

-3/7

Step-by-step explanation:

a/4=b/7

a/b=4/7

(a-b)/b=(3-7)/7

(a-b)/b=-3/7

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Please show work!!!!!!!
kolezko [41]

Answer:

B

Step-by-step explanation:

The cylindrical part

Area of the cylindrical part = Circumference of the circle * height

Area of the cylindrical part = pi * d * height

Area = 3.14 * 10 * 9

Area =                                                                                282.6

Lid

Area = pi * r^2

r = 5

Area = 3.14* 5^2 * 2

Area =                                                                         <u>         157</u>

Total                                                                                    439.6                                                                        

I know this doesn't look right according to the diagram, but it is the only way that you can solve the question. That is, you must assume there are two lids, not one as the diagram suggests.

4 0
3 years ago
!!!! I'LL GIVE BRAINLIEST !!!! PLS HELP THIS IS A TEST
kirza4 [7]

Answer:

yes,this is congruent by SAS criteria

8 0
3 years ago
Two more than a number is less than 14. 2 + n less-than-or-equal-to 14 2 + n less-than 14 2 + n greater-than-or-equal-to 14 2 +
statuscvo [17]

Answer:

x+2 < 14 | -2

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2+n <= 14 | -2

n <= 12

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n < 14

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n >= 12

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n > 14

8 0
3 years ago
X² - 5x + 6 = 0 (R: 2, 3)
Firlakuza [10]
I'm sending you two screenshots of the explanation I hope this helps.

4 0
3 years ago
Solve 2 (3d + 3) = 7 + 6d.
Leni [432]

First distribute in the 2 on the left side to get 6d+6=7+6d

Then, you would combine the variables to be on one side of the equation by doing -6d. However, this would cancel out the d by leaving you with 0d+6=7. That is the same thing as saying 6=7.

The answer to this equation is no solution because 6 is NOT equal to 7.

4 0
3 years ago
Read 2 more answers
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