3 years ago

100 POINTS!!

Mathematics

2 answers:

OverLord2011 [107]3 years ago

6 0

Answer:

i think its 660 not sure

Step-by-step explanation:

Rina8888 [55]3 years ago

5 0

Answer: C

Step by Step Explanation: The answer is 660

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son4ous [18]

Answer:

$42 - 19 = 23 - 15 = $8

Step-by-step explanation:

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3 years ago

When 3(2x + 9) = 4x - 7 is solved for X, the solution is 1 3. is 17 4 xs-17

lyudmila [28]

$\\ \sf\longmapsto 3(2x+9)=4x-7$

$\\ \sf\longmapsto 6x+27=4x-7$

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3 years ago

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P^3×q^2(p^4×q^n×r^3/r^-4)=p^7q^5r^7 What does n=

Juli2301 [7.4K]

Answer:

$n = 3$

Step-by-step explanation:

Given:

The equation given is:

$p^3q^2(p^4q^n\times \frac{r^3}{r^{-4}})=p^7q^5r^7$

We simplify the given equation using the following law of indices:

$a^m\times a^n=a^{m+n}\\\frac{a^m}{a^n}=a^{m-n}$

Therefore,

$p^{3+4}q^{n+2}\times r^{3-(-4)})=p^7q^5r^7\\p^7q^{n+2}r^7=p^7q^5r^7\\q^{n+2}=q^5$

Since the base on both the sides is same, therefore, their exponents must also be same. This gives,

$n+2=5\\n=5-2\\n=3$

Therefore, the value of 'n' is 3.

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3 years ago

What are the two solutions of 2x2 = –x2 – 5x – 1?

dybincka [34]

Answer:

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Step-by-step explanation:

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3 years ago

Math question please show work for brainliest :)

Aleks04 [339]

It’s 1 I think!

Hope I helped!!! :) :D

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4 years ago