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3 years ago

Each cube in the prism is one cubic unit.

Mathematics

1 answer:

padilas [110]3 years ago

7 0

Answer:

since we know each cube is 1cm^3

just add the cubes to find the length width and height

length = 8

width = 3

height = 5

now multiply those to find the volume of the cuboid

8*3*5 = 120cm^3

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To help with her retirement savings, Donna has decided to invest. Assuming an interest rate of 3.59% compounded quarterly, how m

cricket20 [7]

Answer:

We get the value of Principal amount i.e initial investment = $61640

Step-by-step explanation:

Interest rate r = 3.59% or 0.0359

Compounded quarterly n = 4

Future Amount A = 117,300

Time t = 18 years

We need to find initial investment i,e Principal Amount P

The formula used is: $A=P(1+\frac{r}{n})^{nt}$

Putting values and finding P

$A=P(1+\frac{r}{n})^{nt}\\117300=P(1+\frac{0.0359}{4})^{4*18} \\117300=P(1+0.008975)^{72}\\117300=P(1.008975)^{72}\\117300=P(1.903)\\P=\frac{117300}{1.903}\\P=61640$

So, We get the value of Principal amount i.e initial investment = $61640

7 0

3 years ago

I need. Help plz 50 points

Marrrta [24]

I know this hold up I’ve done this in yr 7

3 0

3 years ago

Somebody help #9 geometry

IrinaK [193]

Answer:

$41.1units^2$

Step-by-step explanation:

$A=\frac{h_{b}b }{2} \\=\frac{8*4}{2} \\=16units^2$ (triangle)

$A=\frac{\pi r^2}{2}\\\frac{\pi 4^2}{2}\\=25.13units^2$ (semicircle)

Add both together

$16+25.13\\=41.13units^2$

4 0

3 years ago

Mrs. Wheeler had a bowl of M&M’s sitting on her table. Her daughter Lauren told her that she thought there were 100 M&M’

laiz [17]

There was 33.3% error in her calculation.

Step-by-step explanation:

Approx value thought by Lauren = 100

Exact value counted = 75

Percent error = $\frac{|approx-exact|}{exact}*100$

$Percent\ error=\frac{|100-75|}{75}*100\\\\Percent\ error=\frac{|25|}{75}*100\\\\Percent\ error=\frac{2500}{75}\\\\Percent\ error=33.33\%$

Rounding off to nearest tenth;

Percent error = 33.3%

There was 33.3% error in her calculation.

Keywords: percentage, error

Learn more about errors at:

#LearnwithBrainly

8 0

3 years ago

You are giving the following amounts: $190,258.50; $152,698.00; $122,753.00; $220,523.00; $231,951.00. What is the average of th

blondinia [14]

Answer:

Hey!

The average of these amounts is : $183,636.70!‬

Step-by-step explanation:

To find the average, we have to add all the values up which gives...

= 918,183.50!

And then divide this number by the amount of values you added up...

*918,183.50 divided by 5 gives = $183,636.70*

So your average is $183,636.70!!

HOPE THIS HELPS!!‬‬

4 0

4 years ago