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2 years ago

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A scientist observes and counts 155 bacteria in a culture. Later, the scientist counts again and finds the number has increased

by 40%.How many bacteria are there now?

1 answer:

nataly862011 [7]2 years ago

5 0

IM STILL TRYNA GET THIS ONEE TOO

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I WILL GIVE BRANLIEST!!! 56yx^3-32yx+16y<br><br> please help very quickly.

xxTIMURxx [149]

Answer:

8y(7x^3-4x+2)

Step-by-step explanation:

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2 years ago

Need help for this please

Ksju [112]

Answer:

The area of the circle is approximately <u>154</u> square meters

Step-by-step explanation:

Area of a circle formula: $A = \pi r^{2}$

given:

- diameter = 14m

- pi = 22/7

$radius (r) = diameter/2 = 14/2 = 7\\A = 22/7*(7)^2\\A = 22/7*(49)\\A = 154$

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A local grocery store is running a marketing promotion on social media. They are randomly choosing a winner from the entrants th

AlladinOne [14]

Using it's concept, it is found that the odds that the winner shops in the store 4 or more times a week are given by: 9:41.

<h3>What is the odd of an event?</h3>

It is given by the <u>number of desired outcomes divided by the number of non-desired outcomes</u>.

Researching the problem on the internet, it is found that 18% of the winners shop in the store 4 or more times a week, while 82% do not, hence:

18:82 = 9:41

The odds that the winner shops in the store 4 or more times a week are given by: 9:41.

More can be learned about odds at brainly.com/question/25683609

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2 years ago

What is the point 2,1 dilated by the scale factor of 2.5

Inga [223]

The answer would be -0.4

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-6a-4= -4 (1+7a) Solve for a.

soldi70 [24.7K]

Answer:

$a = 0$

Step-by-step explanation:

On the right side of the = multiply -4 through

$- 6a - 4 = - 4 - 28a$

add 28a and add 4 to both sides

$28a - 6a = 4 - 4$

$22a = 0$

divide both sides by 22

$a = 0$

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2 years ago

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