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raketka [301]
3 years ago
6

What is the product of (9)(-9)(-1)?

Mathematics
1 answer:
LekaFEV [45]3 years ago
5 0
The product of this is 81
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5. I need help with question in the attached picture!
igomit [66]

ANSWER

x=100,y=10

EXPLANATION

The given logarithmic equations are;

log_{10}( {x}^{2}  {y}^{3} )  = 7

This implies that,

{x}^{2}  {y}^{3}  =  {10}^{7} ...(1)

and

log_{10}( \frac{x}{y} ) = 1

This implies that,

\frac{x}{y}  =  {10}^{1}

x = 10y...(2)

Put equation (2) into equation (1)

{(10y)}^{2}  {y}^{3}  =  {10}^{7}

10 ^{2} y^{2}  {y}^{3}  =  {10}^{7}

{y}^{5}  =  {10}^{5}

Hence y=10.

This implies

x = 10(10) = 100

3 0
3 years ago
Anyone know this answer?
s344n2d4d5 [400]
The average salary is $18,725

To find the answer add up each job's salary then divide by the number of jobs.

28,700 + 18,600 + 14,66 + 13,00 = 74,900

Then divide 74,900 by 4 ( added 4 numbers )
6 0
3 years ago
a city bus completes its entire route 3 times each hour how long will it take the bus to complete the entire route 10 times
SOVA2 [1]

Answer: It will take 3.33 hours to complete it's entire route 10 times.

Step-by-step explanation: Time taken to complete it's entire route 3 times= 1 hour

∴Time taken to complete it's entire route 10times = 10/3

                                                                                      = 3.33 hours

3 0
3 years ago
G(x)=2x-2 <br> f(x)=x^2+3x <br> find (g of f)(2+x)
Bumek [7]

Answer:

Step-by-step explanation:

G(f(2+x))=g(2+x)^2+3(2+x)=2(2+x)^2+3(2+x)-2=2(4+4x+x^2)+6+3x=8+8x+2x^2+6+3x=2x^2+11x+14

6 0
3 years ago
What are the approximate solutions of 2x^2 + x = 14, rounded to the nearest hundredth?
Slav-nsk [51]
Hello,

2x²+x-14=0
Δ=1+4*14*2=113

x=(-1-√113)/4=-2,8839...≈-2.88
or x=(-1+√113)/4=2,40753≈2.41


7 0
3 years ago
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