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Nikitich [7]
2 years ago
6

Help pls I don't understand

Mathematics
1 answer:
Oliga [24]2 years ago
5 0

Answer:

me too a I don't understand

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Could anybody help with this question? My teacher didn’t give a review so I’m not sure what to do. Any help is appreciated!
Allisa [31]

Answer: 6

Step-by-step explanation: set the equations equal to each other then solve. plug that number into the equation for AB

8 0
3 years ago
1.The growth of a sample of bacteria can be modeled by the function b(t)=100(1.06)t where b is the number of bacteria and t is t
qwelly [4]

Given:

The growth of a sample of bacteria can be modeled by the function

b(t)=100(1.06)^t

where, b is the number of bacteria and t is time in hours.

To find:

The number of total bacteria after 3 hours.

Solution:

We have,

b(t)=100(1.06)^t

Here, b(t) number of total bacteria after t hours.

Substitute t=3 in the given function, to find the number of total bacteria after 3 hours.

b(t)=100(1.06)^3

b(t)=100(1.191016)

b(t)=119.1016


Therefore, the number of total bacteria after 3 hours is 119.1016.

4 0
2 years ago
10. On one night, a group of 9 rats carried away 45 kg of food. What is the reduced ratio of rats to food weight
GenaCL600 [577]

Answer:

Number of rats : Food weight = 1 : 5

Step-by-step explanation:

Number of rats in the group = 9

Weight of food carried away by them = 45 kg

Ratio of the number of rats and food weight = \frac{\text{Number of rats}}{\text{Weight of food carried by the rats}}

                                                                          = \frac{9}{45}

                                                                          = \frac{1\times 9}{5\times 9}

                                                                          = \frac{1}{5}

Therefore, Number of rats : Food weight = 1 : 5

4 0
2 years ago
On the coordinate grid of a map, Josie's house is located at (2,7). Her school is located at (-5,5). If each map unit equals one
oksian1 [2.3K]
To find the distance you would use the distance formula which is:
d =  \sqrt{(x2-x1)^{2}+(y2-y1)^{2}} =  \sqrt{(2-(-5))^{2}+(7-5)^{2}}

This equals:
d =  \sqrt{(7)^{2}+(2)^2} =  \sqrt{49+4} =  \sqrt{53} = 7.2801
7 0
3 years ago
Read 2 more answers
On the coordinate plane below, triangle ABC was rotated
agasfer [191]

Answer: AB/y = BC/z = AC/x

Step-by-step explanation:

Side AB corresponds to side y, side BC corresponds to side z, and side AC corresponds to side x.

7 0
2 years ago
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