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3 years ago

Please help I really need help

Mathematics

1 answer:

katrin2010 [14]3 years ago

6 0

Answer:

5 5/6 + 55x/24

Step-by-step explanation:

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Write the expression as a single logarithm

viva [34]

We have to use the following log rules here

$a log (b) = log b^a , log(a) + log(b) = log(ab), log (a)-log(b) = log(a/b)$

So for the given question , that is

$18log \sqrt x +9 log \sqrt [3]{x}-log 10 = log(x^{18/2}) + log(x^{9/3})-log 10$

$log(x^9)+log(x^3)-log 10= log(x^9*x^3)-log 10$

$=log(x^{12}) - log 10 = log(\frac{x^{12}}{10})$

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3 years ago

A recipe calls for 2 1/4 teaspoons of salt for every 1 1/8 teaspoons of black pepper used. How many teaspoons of pepper used

miss Akunina [59]

Answer:

it depends on how many tspns of salt

Step-by-step explanation:

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3 years ago

Ima houseseller earns a 3% commision for selling a house. if he sells a house for $120000, what is his commision

Masja [62]

Commission is earning a certain percentage of the total sold price.

To figure this out we need to find what is 3% of $120,000

We can do this by multiplying 3% and $120,000

First let's change 3% into a decimal.

3% = 0.03

Now lets multiply.

0.03 x $120,000 = $3,600

So this person earned $3,600 in commission.

Good Luck! :)

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2 years ago

Write the ratio of hands to cellphones in simplest form. it was 8 hands and 4 phones

Lapatulllka [165]

Answer:

The ratio is 2:1

Step-by-step explanation:

This is since there are 2 times the amount of hands as there are phones

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3 years ago

Please help with this MATH question. I would appreciate it, it is the only one I need help with. SOLVING A SYSTEM INCLUDING LINE

makkiz [27]

Answer:

see below and attached

Step-by-step explanation:

To solve a system of quadratic equations:

Equal the equations then rearrange so that it is set to zero.
Use the quadratic formula to solve.

I have done this (see attached workings) but cannot get any of the solutions you've provided. I have even graphed the two functions, and the points of intersection concur with my workings (see attached graph).

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2 years ago