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2 years ago

6

Peter uses unit cubes to build a figure in the shape of letterX.What is the fewest unit cubes that Peter can use to build the fi

gure

2 answers:

DiKsa [7]2 years ago

7 0

I agree. Five cubes. x x
x
x x

scZoUnD [109]2 years ago

4 0

5 unit cubes you would put them corner to corner like this:
X. X
X
<span>X. X

Hope this helps!</span>

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Find a1 if Sn = 89,800, r = 3.4, and n = 10. Round to the nearest hundredth if necessary.

xxMikexx [17]

Answer:

$a_1=1.04$

Step-by-step explanation:

We have a geometric sequence with:

$Sn = 89,800$ , $r = 3.4$ , and $n = 10$

Where

Sn is the sum of the sequence

r is the common ratio

$a_1$ is the first term in the sequence

n is the number of terms in the sequence

The formula to calculate the sum of a finite geometric sequence is:

$S_n=\frac{a_1(1-r^n)}{1-r}$

Then:

$89,800=\frac{a_1(1-(3.4)^{10})}{1-3.4}$

Now we solve for $a_1$

$89,800(1-3.4)=a_1(1-(3.4)^{10})$

$a_1=\frac{89,800(1-3.4)}{1-(3.4)^{10}}\\\\a_1=1.04$

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3 years ago

The points in the table represent a linear function. What is the equation of the line?

Damm [24]

Answer:

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Step-by-step explanation:

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2 years ago

Write in lowest terms:<br> 9/(15x)

liq [111]

Answer:

Step-by-step explanation:

3x - 25

———————

5

Should be something similar to that, sorry If i couldn't help much.

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3 years ago

George is 8 years older than Christopher and Ford is 2 years younger than Christopher. The sum of their ages is 60. Find the age

dedylja [7]

george would be 10 year older than ford

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2 years ago

Read 2 more answers

What is the value of the 2 in 3.25?

gizmo_the_mogwai [7]

20 because when you do it that way when it is behind the decimal the numbers are always the opposite thousand hundred tens ones . tens hundreds thousands

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