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pickupchik [31]
3 years ago
13

Can anyone please help me with these problems please it’s due tomorrow I’m begging you and thanks? :) please!!!

Mathematics
1 answer:
romanna [79]3 years ago
7 0
1) 100
2) 870,460
3) 100
4) 11,640
5) 200
6) 4,300
7) 1,700
8) 200,000
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Find the area of this figure. use 3.14 for pi.​
Ganezh [65]
The square would be 100.
The semicircle you will use the formula πr^2/2.
That would mean you would take the 3.14x5^2/2.
(3.14x5x5)/2
(3.14x25)/2
78.5/2
=39.25
So the total area would be 139.25
7 0
3 years ago
A triangle has a perimeter of 31. The longest side is equal to 12. The difference of the other two is 3. What is length of the s
xenn [34]

Answer:

8

Step-by-step explanation:

The perimeter is the sum of the 3 sides of the triangle.

let the other 2 sides be x and x - 3 , then

12 + x + x - 3 = 31

2x + 9 = 31 ( subtract 9 from both sides )

2x = 22 ( divide both sides by 2 )

x = 11 and x - 3 = 11 - 3 = 8

The 3 sides are 12, 11, 8

with shortest side 8

3 0
3 years ago
How do I divide fractions with a whole number
spin [16.1K]

Answer:

To Divide a Fraction by a Whole Number:

Multiply the bottom number of the fraction by the whole number. Step 2. Simplify the fraction (if needed)

Step-by-step explanation:

3 0
3 years ago
50 points!<br><br> What is the value of x?<br><br><br> Enter your answer in the box.<br><br> x =
frosja888 [35]

Answer:

x = 3

Hope this helps!

Step-by-step explanation:

ΔABC is a 45°, 45°, 90° triangle. The longest side ( 6\sqrt{2} ) can be x\sqrt{2} while AB and CB are x. Because 6\sqrt{2} is equal to x\sqrt{2}, you can see that x is equal to 6. Both AB and CB are equal to 6. ΔBDC ( CDB ) is a right triangle ( 30°, 60°, 90° ) so, BD = x, CB = 2x, and CD = x\sqrt{3}. CB is equal to 6 so 2x = 6, x = 3.

8 0
1 year ago
Please help quick im so confused
vesna_86 [32]

Answer:

(-5/2,-4)

Step-by-step explanation:

4 0
2 years ago
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