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netineya [11]
3 years ago
7

Calculate the area of the shaded region. Show ALL of your work

Mathematics
2 answers:
il63 [147K]3 years ago
8 0

Answer:

100

Step-by-step explanation:

The area of the non-shaded spot is 8x10, which is 80.

The area of the entire rectangle is (8+4)x(10+5) = 180.

So, to find just the shaded region, subtract the nonshaded region (80) from the entire reactangle (180) to get 100

miss Akunina [59]3 years ago
4 0

Answer:

100 i think...

Step-by-step explanation:

4+8=12, 10+5=15

12 x 15=180, 8 x 10=80

180-80= 100

Srry if this is wrong. Btw im only in 6th.

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When a number is decreased by 40% of itself the results is 54. What is the number
Orlov [11]
Alright, this is simple. You know what the new number is, 54. You know the original number was decreased by 40%. Your looking for the original number, X. So set up an equation.
x-.4x=54
When X stands by itself, it's perceived to value 1.00
1.00-.4x=54
(1.00-.4 [40%]=.6)
.6x=54

Divide both sides by .6 to eliminate everything else.
.6x/.6=54/.6

You get 90. Your original number was indeed 90.
To check it, we can do 90/40%, or 90/.4=54

~Hope this helps!

5 0
3 years ago
How can you show your work for 45×31
seraphim [82]
write out:

45
x31
___

and do 5x1, than 4x1, than drop the 0 and do 5x3 and carry the 1, multiply 4x3 and add the 1. This should be sufficient work shown.
3 0
3 years ago
Read 2 more answers
Please Helpppppp!!!!! What is the value of x.
timama [110]

Answer:

Step-by-step explanation:

Remark

By corresponding angles and vertical angles, these two angles are equal.

Equation

-1 + 14x = 12x + 17                      Subtract 12x   from both sides

Solution

-1 + 14x - 12x = 12x - 12x + 17

-1 + 2x = 17                                 Add 1 to both sides

-1+1 + 2x = 17 + 1

2x = 18                                       Divide by 2

2x/2 = 18/2

x = 9

8 0
3 years ago
Which product is better to buy small 18 ounces for $3.25 or large 32 ounces for 5.50
labwork [276]

Answer:

the 32 ounce is the better buy

Step-by-step explanation:

if you bought two small products the ounces would equal up to 36 but then the cost would be more than 5.50 it would be 6.50

8 0
3 years ago
Sam spends $13.50 on baseball cards. The tax is 6%. What is his total cost?
Alexandra [31]

Answer:

13.50+0.81= $14.31

Step-by-step explanation:

Hope this helps!

5 0
3 years ago
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