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Zolol [24]
3 years ago
10

Ben is monitoring a colony of bacteria. Initially, the colony consists of 159 bacteria. The following function represents the nu

mber of bacteria in the colony after x hours.
Which expression approximately represents the number of hours, x, it takes for the number of bacteria in the colony to reach 168?
Mathematics
1 answer:
padilas [110]3 years ago
7 0

Answer:

No solution is possible from the information provided

Step-by-step explanation:

you didn't include the function.

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I need help with number 7 and 8
devlian [24]
7.

The point-slope form of the equation of a line is

y - y1 = m(x - x1)

where m is the slope, and (x1, y1) is a point on the line.

We are given two points, so we can find the slope.

slope = m = (y2 - y1)/(x2 - x1)

The slope of this line is

m = (-3 - 7)/(5 - (-15)) = -10/20 = -1/2

Since every choice has a 7 and a 15, we now use point (-15, 7) and slope -1/2.

y - y1 = m(x - x1)

y - 7 = -1/2(x - (-15))

y - 7 = -1/2(x + 15)
5 0
3 years ago
A shipping company charged $15 to ship a package and 5% of the shipping charge for insurance on the package. What was the total
pickupchik [31]
Take $15 and multiply it by 0.05 (this will get you the percent). You should get 0.75. So you add 0.75 to $15 and you should get $15.75
4 0
3 years ago
Read 2 more answers
Twice a number decreased by 22 is 48. What is the number?
klemol [59]

Answer:

Given - Twice a no. decrease by 22 is 48

To find - The no.

Solution -

Let the no. be X

According to the question, equation made is -

2x - 22 = 48

2x = 48 + 22

2x = 70

x = 70/2

X= 35

Verification -

35 ×2 - 22 = 48

70 - 22 = 48

48= 48

LHS = RHS

hence proved

6 0
2 years ago
Read 2 more answers
What is the connection between rate and slope
Paraphin [41]

Answer:

Step-by-step explanation:

In math, slope is the ratio of the vertical and horizontal changes between two points on a surface or a line. The vertical change between two points is called the rise, and the horizontal change is called the run. The slope equals the rise divided by the run: . This simple equation is called the slope formula.

6 0
3 years ago
4/28 - [10 + (3 + 1) x 2]]
Sholpan [36]

Answer:

\frac{4}{28}-\left(10+\left(3+1\right)x\cdot \:2\right)=-8x-\frac{69}{7}

8 0
3 years ago
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