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Lady_Fox [76]
3 years ago
6

WILL MARK BRAINLIEST!! help with the circled one please

Mathematics
1 answer:
m_a_m_a [10]3 years ago
7 0
5x + (x - 6) = 90
6x - 6 = 90
+6. +6
6x = 96
x = 16
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suppose that the number of bacteria in a certain population increases according to a continuous exponential growth model. A samp
Tema [17]

Answer:

3.33% per hour

Step-by-step explanation:

Use the A=Pe^rt equation. A is the end amount, so it's 1892. P is the original amount, 1700. E is a constant, around 2.72. R is the growth constant. T is the time that passed, 3 hours. You can substitute the givens into the equation and get 1892=1700e^(3r). Divide by 1700 to isolate the e. This leaves you with 1892/1700=e^(3r). Do the natural log of each side cancel the e and bring the exponent down. This leaves you with ln(1892/1700)=3r. Divide by 3 to isolate r. ln(1892/1700) is .1. .1/3 is .03333. Multiply by 100 to get a percent. 3.33 percent is your final answer.

8 0
3 years ago
Solve the equation: only write the number is the box <br> 2( 5x+2)=54
Black_prince [1.1K]

Answer:

x = 5

Step-by-step explanation:

Step 1:

2 (5x + 2) = 54

Step 2:

10x + 4 = 54

Step 3:

10x = 50

Answer:

x = 5

Hope This Helps :)

7 0
3 years ago
Read 2 more answers
Help please anyone pleaseeeeeeeee
Rainbow [258]
The answer is D. The height gets very small
4 0
3 years ago
What is the distance between ( 4, 7 ) and ( 2, 2 )
Snezhnost [94]

Answer:

Exact form: √ 29

Decimal form: 5.38516480

Step-by-step explanation:

6 0
3 years ago
Emma is training for a 10-kilometer race. She wants to beat her last 10-kilometer time, which was 1 hour 10 minutes. Emma has al
Mandarinka [93]

Answer:

70 > 55 + t

Step-by-step explanation:

Given

Previous\ Time = 1\ hr\ 10\ mins

Current\ Time = 55\ mins

Required

Represent the additional time needed as an inequality

Convert the previous time to minutes

Previous\ Time = 1\ hr\ 10\ mins

Previous\ Time = 1 * 60\ mins + 10\ mins

Previous\ Time = 60\ mins + 10\ mins

Previous\ Time = 70\ mins

Let the additional time be t

<em>This means that she needs to run at least t minutes to beat her previous record</em>

<em />

To beat her previous record, the sum of current time and x must be less than her previous time. i.e.

55 + t < 70

This can be rewritten as:

70 > 55 + t

7 0
3 years ago
Read 2 more answers
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