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BabaBlast [244]
4 years ago
11

Log(14/3) + log(11/5) - log(22/15) = log _

Mathematics
2 answers:
victus00 [196]4 years ago
5 0

Answer:

log 7

Step-by-step explanation:

We have to find the value of the logarithmic expression

Log(14/3) + log(11/5) - log(22/15)

We know the formula

log a + log b = log (ab)

Using this formula, we have

log(14/3) + log(11/5) - log(22/15)

=log ( 14/3 × 11/5) - log(22/15)

= log (154/15)- log(22/15)

Now, use the formula log a - log b = log (a/b)

= log (154/15×15/22)

On simplifying, we get

= log 7

Thus, the shoplifted form is log 7

Anika [276]4 years ago
3 0
= log ( 14/3 * 11/5 ) / (22/15)  = log  7 =  0.8451 
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Vera_Pavlovna [14]

Answer:

  1/8 room

Step-by-step explanation:

  (3/4 roll)/(6 rolls/room) = (3/4)(1/6) rooms = 1/8 rooms

With 3/4 roll of wire, the electrician can wire 1/8 of a room.

4 0
3 years ago
What is the value of f(x) when x = 4 in the piecewise function f(x) = 2x² when x>4
zepelin [54]

Answer:

16

Step-by-step explanation:

f(x) = 2x² when x>4

We cannot use this expression of f to calculate f(4)

because ,this expression define f for the value of x

that are greater (not equal) than 4.

………………………………………………………

f(x) = 4x when x ≤ 4 , here x is can be equal to 4

(notice the sign ≤ )

Therefore

f(4) = 4 × (4) = 16

6 0
2 years ago
A pet store sells dog food in a 3-pound bag for $12.00 and a 5-pound bag for $14.25. Which bag of dog food is the better buy? Ex
Bess [88]

The 5-pound bag is better value.

The easiest way to compare and find out which is a better buy is to find out how much is being charged for 1-pound of food in each bag.

$12 is divided by 3 beacuse it's a 3-pound bag and we are aiming to find what 1-pound is equal to.

$12 ÷ 3 = $4

So the first bag charges $4 per pound of food.

Then use the same method for the 5-pound bag.

$14.25 ÷ 5 = $2.85

So the second charges $2.85 per pound of food.

So as we can see, the 5-pound bag is clearly better value. For each pound of food you are saving $1.15 in comparison to what you would be spending if you opted for the first bag.

Hope this helps!

5 0
3 years ago
Does anybody know how to do this? It’s due tomorrow! I need help really bad
qaws [65]

Answer:

I don't actually know

Step-by-step explanation:

Just ask someone

7 0
2 years ago
Read 2 more answers
Look at this graph:
Troyanec [42]

Answer:

It look like .2/1( that's the slope btw)

Step-by-step explanation:

The reason I said that is because for the 0.2 it look like the like isn't on 4 but close to it  which I would suggest that the slope is less than one.

6 0
3 years ago
Read 2 more answers
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