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3 years ago

7

Catarina has 57 gumballs. Catarina keeps 1 gumballs. Catarina has 7 friends and gives the remaining gumballs to them. Each frien

d gets the same amount of gumballs. How many gumballs does each friend get?

1 answer:

DedPeter [7]3 years ago

4 0

Catarina gives each friend 8 gumballs

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Find the value of log, 1/2 462 to four decimal places.

Nimfa-mama [501]

Answer:

-8.8517

Step-by-step explanation:

We assume you want the log of 462 to a base of 1/2. Using the change of base formula, this is ...

$\log_{0.5}{462}=\dfrac{\log{462}}{\log{0.5}}=-8.8517$

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3 years ago

Please please helpppp.

padilas [110]

There are 3 ways of solving a simultaneous problem, substitution method, elimination method and Gauss-Jordan method. I'm gonna use the substitution method since it's easier and i think it would suit your level more.

First let's try solving for y since it's easier to start with.

Firstly we have to find an equation for x:

$x-2y=2\\x-2y+2y=2+2y\\x=2+2y$

Great, now we can use the substitution method to find the value of y using the first equation:

$2x+3y=11\\2(2+2y)+3y=11\\4+4y+3y=11\\7y=7\\y=1$

Now we know that y=1 we can solve the first equation we made:

$x=2+2y\\x=2+2(1)\\x=4$

And the answer is $x=4 , y= 1\\(4,1)$

Double check:

$2x+3y=11\\2(4)+3(1)=11\\8+3=11\\11=11\\\\x-2y=2\\(4)-2(1)=2\\2=2$

And that's our final answer! (4,1)

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3 years ago

Find the area of a square with 6 1/2

koban [17]

Answer:

I'm guessing the 6 1/2 means the length of one side so you would just multiply 6 1/2*6 1/2 and that equals 42.25 (or 169/4)

Step-by-step explanation:

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Slope = -4/5

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3 years ago

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Answer:

4r-3

Step-by-step explanation:

3 fewer means subtracting 3 and 4 represents the r

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3 years ago