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emmasim [6.3K]
3 years ago
11

What number is equivalent to 3/4 b-2/3 b =-9

Mathematics
1 answer:
Shtirlitz [24]3 years ago
5 0
Hi,

b =  - 9 \\ \frac{3}{4}  \times b -  \frac{2}{3}   \\ 0.75 \times  - 9 - 0.67 \\  - 6.75 - 0.67 =   - 7.42

Answer: -7.42

Hope this helps.
r3t40
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James is 8 years old. Last year, his father was 4 times as old as he was. In how many years' time will their combined age be 51?
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7 0
3 years ago
Consider U = {x|x is a real number}. A = {x|x ∈ U and x + 2 &gt; 10} B = {x|x ∈ U and 2x &gt; 10} Which statements are true? 5 ∉
-Dominant- [34]

x+2 > 10 solves to x > 8 after we subtract 2 from both sides

So set A is the set of real numbers that are larger than 8. The value 8 itself is not in set A. The same can be said about 5 as well.


Set B is the set of values that are larger than 5 since 2x > 10 turns into x > 5 after dividing both sides by 2. The value x = 5 is not in set B since x > 5 would turn into 5 > 5 which is false. The values x = 6, x = 8, and x = 9 are in set B.


----------------


Summarizing everything, we can say...

5 is not in set A. True

5 is in set B. False

6 is in set A. False

6 is not in set B. False

8 is not in set A. True

8 is in set B. True

9 is in set A. True

9 is not in set B. False


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2 years ago
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Find the length of LM. Show your work.
kicyunya [14]

Answer:

<h2>20</h2>

<em>Solution</em><em>,</em>

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<em>hope </em><em>this </em><em>helps.</em><em>.</em>

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