Okay so I'm struggling at this particular set of questions on Khan Academy. Anyone got any ideas?

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Answer 1

Answer:

my best guess is 135 because if it can fit cubes with 1/4 inch sides, that means it can fit 9 cubes going lengthwise, and 3 cubes wide which is 27 cubes on the base. then it can fit 5 cubes, all 1/4 inch going up because in 1 1/4 inch there are 5 quarter inches. so if you multiply 27 by 5 you get 135. I hope that helps a little bit:)

Answer 2

Answer:

I know this is not much help but I wrote all my work down and got 135 as well so I’m glad you got the correct answer. You will struggle sometimes, especially with challenging questions like that but remember it will always get easier as you go alone((: good luck to you!

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One question is all I need help on.

Please help with this, and please show me the steps to getting the answers

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1. $48:4$
2. $2:88$
3. $150:3$

Estimate the solution of the equation x - 8.1=5.3 to the nearest whole number

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Answer is about 13. i hope this helps.

How do i write 0.9 in wordform

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Answer:

nine tenths

or, simpler:

zero point nine

What two numbers add to equal -12 and multiply to equal -28?

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One thing before we start :)

AS you can see both numbers after equation have to be negative,
also we know that 2 same numbers have to add up to -12 and those 2 number after multiplication have to be equal -28

Some theory:

We know that any number which is not negative multiplied by negative will result in negative result, to make it more clear

$(+)*(-)=(-)$

but

$(-)*(-)=(+)$

we have 2 unknown numbers, let's say it's $x$ and $y$

$x+y=-12$
$x*y=-28$

for $x=2$
for $y=-14$

$2+(-14)=2-14=-12$
$(2)*(-14)=-28$

So your answer is 2 and -14 ;)

If g(x)=x squared+2 find g(3)

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Answer:

Step-by-step explanation:

x^2+2

(3)^2+2

9+2=11

when the whole is the same,how many eights does it take to make 1 fourth? draw a model to support your answer

Answers

2/8. 2/8 can be simplified to 1/4 if you divide by 2 in both the numerator and the denominator. Draw two pies. Make one pie cut into 8 even pieces and one cut into 4. Shade in two of the slices on the pie with 8 pieces (side by side) and shade in one on the pie that's cut into four slices (in the same spot as on the other pie). You should see how you shaded the same total area of each pie.

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A car can travel 247 kilometers on 19 liters of gasoline. how much gasoline will it need to go 429 kilometers?

Write a linear factorization of the function.f(x) = x^4 + 64x^2

Factor completely. b2 + 12b + 32 Factor completely: a2 - a - 20

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