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qwelly [4]
3 years ago
9

Please help me by showing how to do it

Mathematics
2 answers:
Margaret [11]3 years ago
8 0
20 x 10 = 200 
45 - 10 = 35 - 8 = 27 
8 x 8 = 64
20 - 8 = 22 
22 x 45 = 990
The area of the shape is 990 square feet. 

Hope I could help! 
True [87]3 years ago
3 0
Break the shape into 3 different shapes and calculate the area of those shapes.

Shape 1: 10*8 = 80 ft^2
Shape 2: 27*12 = 324 ft^2
Shape 3: 8*8 = 64 ft^2

Then add those shapes up:

80+324+64 = 468 ft^2
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Find the greatest common factor of 15x^2 y^3 and -20x^3yz
maxonik [38]
5x^2y

5 is the largest number to go in evenly. And the terms are limited to those. 
6 0
3 years ago
How many natural numbers N have the property among 1,2,..........,N exactly 30% are divisible by 3?
k0ka [10]

Answer:

The answer is B. 2.

Step-by-step explanation:

We know that for N = 1 and N = 2, none of them are divisible by 3.

For N = 3, 33.33% are divisible by 3.  For N = 4, 25% (which is already less than 30%), so N = 5 would also be less.

At N = 6, we're back up to 33.33%.  N = 7 is already less than 30%.

At N = 9, you guessed it, 33.33%.  N = 10 is 30% (3, 6, and 9).  So we have one case.

Moving along, at N = 18, 33.33%.  N = 20 is again 30% (3, 6, 9, 12, 15, and 18).  Two cases now.

Finally, at N = 21, again 33.33%.  N = 22 and N = 23 are both greater than 30%.  As we continue this, for any N after 20, we will always be greater than 30%.

4 0
3 years ago
The mass of Jupiter is 1.898 × 10(27) kilograms, and the mass of Saturn is 5.68 × 10(26) kilograms. How much greater is Jupiter'
grandymaker [24]
Just subtract but take care of the power or else you can come up with wrong results !

so first make the power same ;

for Jupiter = 1.898× 10(27) = 18.98 × 10(26)
for Saturn = 5.68×10(26)

so now subtract = (18.98-5.68) × 10(26)
= 13.3 × 10(26)

so the answer is 13.3 ×10(26)
or, 1.33× 10(27)
6 0
3 years ago
The office of student services at a large western state university maintains information on the study habits of its full-time st
solong [7]

A suitable probability calculator can tell you the probability is about 6.7%.


_____

The standard deviation of the distribution of sample means is the population standard deviation (6) divided by the square root of the sample size (√144=12). Thus, your threshold is about (19.25-20)/(6/12) = -1.5 standard deviations from the mean.

4 0
3 years ago
Write a real world problem for the equation 11x =385.
bagirrra123 [75]
Real world problem for 11x = 385

Sam brought home 385 packs of string for the party. At the party, Sam invites 11 people, and wants to give each person the same amount of string. How much string does each person get?
7 0
3 years ago
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