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AleksAgata [21]
3 years ago
15

A biologist determined that the quantity of bacteria in a petri dish decreases by half every day of the study. If there were 8 g

rams of bacteria at the beginning of the study, predict how many grams will be left after 3.5 days. Round to the nearest hundredth
Mathematics
1 answer:
Anna [14]3 years ago
3 0
The sender is .75 grams
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Ms. Monet is combining 15 cups pf green paint with 15 cups of white paint. She is pouring the paint mixture into empty quart bot
Galina-37 [17]

Answer: she needs 8 quart bottles.

Step-by-step explanation:

Ms. Monet is combining 15 cups of green paint with 15 cups of white paint. This means that the total number of cups containing the mixture of green and white paint us

15 + 15 = 30

1 Us liquid quart = 4 Us cups

x Us liquid quart = 30 Us cups

Cross multiplying,

4x = 30

x = 30/4 = 7.5 quarts of paint

Since she is pouring the paint mixture into empty quart bottles, the number of quart bottles that she needs is approximately 8

4 0
3 years ago
Q
Tema [17]

Answer:

y = \frac{1}{2} x+7

Step-by-step explanation:

Slope-intercept form: y = mx + b

Slope formula: \frac{y2-y1}{x2-x1}

Given points: (-6, 4), (6, 10)

(-6, 4) = (x1, y1)

(6, 10) = (x2, y2)

To write the equation in slope-intercept form, we need to find the slope(m) and the y-intercept(b) of the equation.

First, let's find the slope. To do this, input the given points into the slope formula:

\frac{10-4}{6-(-6)}

Simplify:

10 - 4 = 6

6 - (-6) = 6 + 6 = 12

\frac{6}{12}=\frac{1}{2}

The slope is \frac{1}{2}.

To find the y-intercept, input the slope and one of the given points(in this example I'll use point (6, 10)) into the equation and solve for b:

10 = \frac{1}{2}(6)+b

10 = 3 + b

7 = b

The y-intercept is 7.

Now that we know the slope and the y-intercept, we can write the equation:

y = \frac{1}{2} x+7

4 0
3 years ago
a pool tank fills 60 gallons of water in 1/5 of an hour. How many gallons of water can be filled up in 1 hour?
klasskru [66]
If it takes 1/5 hour to fill 60 gallons
than multiply the fraction by 5 to get a whole hour
and multiply the 60 gallons by 5 to get the amount of water created in that hour
60*5= 300 gallons of water in 1 hour
5 0
3 years ago
Read 2 more answers
PLEASE HELP!! BRAINLIEST OFFERED! IF CORRECT!! THANKS!!
muminat

Answer:

Step-by-step explanation: its b

5 0
3 years ago
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How do i covert a fraction into a decimal.
Olenka [21]

Answer:

By dividing the top number by the bottom.

Step-by-step explanation:

ummmmm

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