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balu736 [363]
3 years ago
9

Simply or multiply if needed

Mathematics
2 answers:
laila [671]3 years ago
8 0
B=21/8
C=-18/5
E=2
G=8/5
mars1129 [50]3 years ago
4 0
Have you been taught the butterfly technique
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What is 50000x700? and 100x123,478
jok3333 [9.3K]
The question given here has two parts and each part has to be answered separately. In case of both the multiplications, the answer might look to be huge but by applying a simple technique, anybody can do these multiplications without the help of any calculator.
Now let us take the case of first multiplication that is given:
50000 * 700
= 35000000
In this case all the zeroes present has to be written first and then 7 and 5 should be multiplied and put. This will get the answer easily.
Now we take the second multiplication given:
100 * 123478
= 12347800
In this case also the zeroes are simply put on the right side of the number 123478.
7 0
3 years ago
Read 2 more answers
A store sells 5 bananas for $1.80. How much will 9 bananas cost?
tiny-mole [99]

Answer:

3dollars

Step-by-step explanation:

easy

7 0
2 years ago
What is 4log1/2^w(2log1/2^u-3log1/2^v written as a single logarithm?
IrinaK [193]
Given:

4log1/2^w (2log1/2^u-3log1/2^v)

Req'd:

Single logarithm = ?

Sol'n:

First remove the parenthesis,

4 log 1/2 (w) + 2 log 1/2 (u) - 3 log 1/2 (v)

Simplify each term,

Simplify the 4 log 1/2 (w) by moving the constant 4 inside the logarithm;
Simplify the 2 log 1/2 (u) by moving the constant 2 inside the logarithm;
Simplify the -3 log 1/2 (v) by moving the constant -3 inside the logarithm:

 log 1/2 (w^4)  + 2 log 1/2 (u) - 3 log 1/2 (v) 
log 1/2 (w^4) + log 1/2 (u^2) - log 1/2 (v^3)

We have to use the product property of logarithms which is log of b (x) + log of b (y) = log of b (xy):

Thus,

Log of 1/2 (w^4 u^2) - log of 1/2 (v^3) 

then use the quotient property of logarithms which is log of b (x)  - log of b (y) = log of b (x/y)

Therefore, 

log of 1/2 (w^4 u^2 / v^3)

and for the final step and answer, reorder or rearrange w^4 and u^2:

log of 1/2 (u^2 w^4 / v^3)  
8 0
3 years ago
Read 2 more answers
It takes Mike 60 minutes to vacuum a room, and Debbie 45 minutes.
elena55 [62]

Answer:

It takes Mike 15 more minutes to vacuum while it takes Debbie 15 more minutes to wash dishes

Step-by-step explanation:

Explain question properly pls.

3 0
2 years ago
How could i write 2.7 on a number line?
Viefleur [7K]
There tried too draw it out of you

3 0
3 years ago
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