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3 years ago

What is 304,800,400 in expanded form?

Mathematics

2 answers:

OLga [1]3 years ago

7 0

300,000,000+4,000,000+800,000+400

ololo11 [35]3 years ago

7 0

300,000,000+4,000,000+800,000+400

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How much water is needed to completely fill a mini-aquarium measuring 20 cm x 35 cm x 50 cm?

labwork [276]

volume = l x w x h

volume = 20 x 35 x 50 = 35,000 cubic cm

1 cubic cm = 0.001 liter

35000 x 0.001 = 35 liters of water is needed

6 0

3 years ago

Find the value of y...

soldier1979 [14.2K]

Answer:

y=0

Step-by-step explanation:

Rewrite Evaluate Powers:

3 $3^{2y-1}+3^{-1}+2*3^{y}*3^{-1}=1$

Calculate:

$(3^{y})^{2}*\frac{1}{3} +2*3^{y}*\frac{1}{3}=1$

Solve using substitution:

$(3^{y})^{2}*\frac{1}{3} +\frac{2}{3} *3^{y}=1$ $t=3^{y}$

Solve the equation for t:

$t^{2}*\frac{1}{3}+\frac{2}{3}t=1$

t=-3

t=1

Substitute back to t=3^y

3^y=-3

3^y=1

y∉R

$3^{y}=1$

y=0

5 0

2 years ago

Divide the fraction 30 over 50 Show work please :D

sweet [91]

30/50 = 3/5 which is 0.6

30/50 Get rid of the zeros = 3/5 then you divide them and get .6

3 0

2 years ago

How many feet are in 100meters

77julia77 [94]

Answer: 328 feet, 1 inch

Step-by-step explanation:

3.281 feet makes 1 meter

To solve the question, Multiply the value by 3.281:

100 meters = 100 x 3.281 feets

=328.1 feet

I hope this helps.

5 0

2 years ago

7. Write the equation of a line which passes through the points (-3,5) and (6,23)

faust18 [17]

Answer:

answer to the equation is

$y = 2x + 11$

Step-by-step explanation:

$y = mx + b$

first find the slope of the line using the two points

$slope \: m = \frac{y2 - y1}{x2 - x1} = \frac{23 - 5}{6 - ( - 3)} \\ = \frac{18}{9} \\ slope \: m = 2$

substitute 2 for m and use one of the points for x and y and solve for b

$5 = 2( - 3) + b \\ 5 = - 6 + b \\ 5 + 6 = b \\ b = 11$

Now that you found b, the y-intercept, you can substitute that into the equation for your line

$y = 2x + 11$

7 0

2 years ago