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2 years ago

Logarithms - Please Help!!!

Mathematics

1 answer:

shusha [124]2 years ago

3 0

Answer:

log 4(b)

Step-by-step explanation:

Use the log law 1 / log b(a) = log a(b)

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A zoo has 15 Emperor penguins. The Emperor penguins make up 30% of all the penguins at the zoo

Otrada [13]

Answer:

Step-by-step explanation:

there is 15 emperor penguins...they make up 30% of all the penguins

so 30% of all the penguins is 15

let x represent all the penguins

turn ur percent to a decimal

0.30x = 15

x = 15 / 0.30

x = 50 <===== 50 total penguins

5 0

3 years ago

GIVING 20 POINTS NEED HELP

alexandr1967 [171]

Answer:

4 is a BCA def of rectangle

6 0

3 years ago

One third of a number less than nine equal to seven

Vaselesa [24]

Answer: The equation is given by: 9- 1/3x = 7
Step-by-step explanation:
Let the number be denoted by x.
Now, we are given a word phrase as follows one-third of a number less than nine is equal to seven.
Now this word phrase could be mathematically expressed as a equation by: one third of x is 1/3 x
And this number less than 9 is given by :

9- 1/3x

Now, this number is equal to 7.
I.e. we finally have:
9- 1/3x = 7

7 0

2 years ago

Read 2 more answers

Help me please peoplee

spayn [35]

it's 9 because 58-49=9

So the answer is 9

<h2>Hope this helps :></h2><h2 /><h2>From Cambridge</h2><h2 /><h2>Please give brainliest</h2>

3 0

2 years ago

I need help please ^^

Vaselesa [24]

Answer:

see below

Step-by-step explanation:

Usually, we're concerned about the relationship of y to x. Here, the question is asking you to consider the relationship of x to y.

The easiest way to find the answer to this one is to check the given explanations to see which is true. You can pretty much ignore the first row of the table and just look at the second row where x=5 and y=15.

it is NOT TRUE that x is 3 times y (5 is not 3 times 15)
it is TRUE that x is 1/3 of y (5 is 1/3 of 15)
it is NOT TRUE that x is 5 times y (5 is not 5 times 15)
it is NOT TRUE that x is 1/5 of y (5 is not 1/5 of 15)

_____

If you know your multiplication tables, you know that 15 = 3×5, so ...

5 = 15/3

5 = (1/3) × 15

The relationship of these numbers should not be a mystery.

4 0

3 years ago