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Evgen [1.6K]
3 years ago
8

I need help with this math question!! Simplify 0.4i−i.

Mathematics
2 answers:
Aleksandr-060686 [28]3 years ago
4 0
Oh..! it is
= i(0.4-1)
= 0.6i
mihalych1998 [28]3 years ago
3 0
The answer is i(0.4-1)=0.6i so i agree the the other person
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For every 4 gallons of green paint he uses 3 gallons of blue paint. Drag the correct number of each type of paint into the box t
Inga [223]

Answer:

Amount of green color used =

\dfrac{64}{7}\text{ gallons}

Step-by-step explanation:

We are given the following in the question:

Every  4 gallons of green paint is mixed with 3 gallons of blue paint. to make a particular shade.

Ratio of green color to blue paint can be calculated as:

=\dfrac{\text{Amount of green color}}{\text{Amount of blue color}}\\\\=\dfrac{4}{3}

Amount of shade = 16

Amount of green paint = 4x

Amount of blue paint = 3x

Thus, we can write:

4x + 3x = 16\\7x = 16\\\\x = \dfrac{16}{7}

Amount of green color used =

4x = 4\times  \dfrac{16}{7} = \dfrac{64}{7}\text{ gallons}

Amount of blue paint used =

3x = 3\times  \dfrac{16}{7} = \dfrac{48}{7}\text{ gallons}

4 0
3 years ago
Can someone please answer question number 7 with explanation ❤️
Ulleksa [173]

Answer:

a

Step-by-step explanation:

you have to find the hole volume of the other shapes.

7 0
3 years ago
The population of bacteria doubles every 6 hours. By how much will it grow in three days. Write the equation
ch4aika [34]

Answer:

Step-by-step explanation:

let x be the population

so we have ,

2x= 6h

?= 3 days or 3×24h

by cross multiplication we have

2x× 72h= 6h×?

?= 2x×72/6 = 24x

So, in three days the bacteria will b 24 times current population.

8 0
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ValentinkaMS [17]

Answer:

It is the velocity of the car, the speed.

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3 years ago
A plant grows at a constant rate of __ cm per day.
devlian [24]

Plant grows at 3CM per day

equation: y= 3x

21 is y so 21= 3x. divide by 3 so it's been 7 days

3 0
3 years ago
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