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PtichkaEL [24]
3 years ago
6

Solve following problems (2x + 5)/(5x + 2) and (4 - 3x) / ( 3x - 4)

Mathematics
1 answer:
Len [333]3 years ago
6 0

Answer:

(4 - 3x) / ( 3x - 4) = -1

(2x + 5)/(5x + 2) = 0

Step-by-step explanation:

 

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a culture started with 6,000 bateria after 6 hours,it grew to 7,200 .predict how many bacteria will be present after 17 hours ro
Genrish500 [490]

Answer:

10058

Step-by-step explanation:

The equation is of the form

y = ab^x

Where a is the initial value, y is the final  amount and x is the time

y = 6000 b^x

7200 = 6000 b^6

Divide each side by 6000

7200/6000 =  b^6

1.2 = b^6

Take the 6th root on each side

1.2 ^ 1/6 = b^6 ^ 1/6

1.030853321 = b

y = 6000 (1.030853321) ^ x

Let x = 17

y = 6000 (1.030853321) ^ 17

y=10057.68696

Rounding to the nearest whole number

y = 10058

7 0
3 years ago
Read 2 more answers
Jamal bought 4 pounds of blueberries for $12. Which of the following proportions could be used to help him figure out how much 2
faltersainse [42]

Answer:

\$6

Step-by-step explanation:

we know that

Using proportion

\frac{12}{4}\frac{dollars}{pounds} =\frac{x}{2}\frac{dollars}{pounds}\\ \\ x=12*2/4\\ \\x=\$6

4 0
3 years ago
A research scientist reports that mice will live an average of 40 months when their diets are sharply restricted and then enrich
natka813 [3]
Can you make this question clearer to read?
4 0
3 years ago
Mr Webster is buying carpet for an exercise room in his basement the room will have an art of 230 square feet the width of the r
abruzzese [7]
230/1 times 12 1/2 on a fraction calculator should give you the answer :)
3 0
3 years ago
The Ribys spent 5625 for 4.5 acres of land Find the price per acre
Margarita [4]
We can find the price per arc by dividing the total price by the amount of arc.
so in this case
5625 is the total money spent
and 4.5 is what they get when spending that amount of money
5625 / 4.5
= 1250
The price per arc is $1250
therefore, the answer is $1250. 
4 0
3 years ago
Read 2 more answers
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