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nika2105 [10]
3 years ago
11

I will give you a brainlyest if you help me plz plz plz

Mathematics
2 answers:
zzz [600]3 years ago
4 0
The answer is D. (7x-5)= 2 and (3x-2)=1 and 1 - 2= 1
blsea [12.9K]3 years ago
4 0

Answer:

d) 4x-3

Step-by-step explanation:

(7x-5)-(3x-2)

=(7x-5)-1(3x-2)

=7x-5-3x+2

=4x-3

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How many hours will it take a culture of bacteria to increase from 20 to 2000 if the growth rate per hour is 85%
galben [10]

Answer:

Approximately

7.5

hours

Step-by-step explanation:

Explanation:

We are trying to determine the value of

h

in the compound growth formula

XXX

20

×

(

1

+

0.85

)

h

=

2000

or, simplified:

XXX

1.85

h

=

100

Taking the

log

1.85

of both sides:

XXX

log

1.85

100

With the aid of my trusty spreadsheet:

XXX

h

≈

7.48582192

3 0
3 years ago
What is three and seven hundredths standard form
Valentin [98]

Answer: I believe the answer is 3.07 but I may be wrong so if you want you can wait for another answer :D

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Which is the best estimate for the average rate of change for the quadratic function graph on the interval 0 ≤ x ≤ 4?
tatuchka [14]

Answer:

The best estimate for the average rate of change is -2

Step-by-step explanation:

we know that

the average rate of change using the graph is equal to

\frac{f(b)-f(a)}{b-a}

In this problem we have

f(a)=f(0)=0  

f(b)=f(4)=-8

a=0

b=4

Substitute

\frac{-8-0}{4-0}=-2

4 0
3 years ago
Read 2 more answers
True or False. i think this is easy but
inna [77]

Answer:

of course its true

Step-by-step explanation:

8 0
3 years ago
Please help me i'll give 20 points to whoever helps me answer all 4 of them and brainly
Brilliant_brown [7]

Answer:

G - number of arrangements

F. the amount of her allowance

B. y = x

H. the number of hours

7 0
3 years ago
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