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AleksandrR [38]
3 years ago
12

Find 90% of 0.4No equation needed. ​

Mathematics
2 answers:
myrzilka [38]3 years ago
8 0

90% = 0.9

0.9 * 0.4

= 0.36

erma4kov [3.2K]3 years ago
3 0
......The answer is 0.36
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12 hundreds+8 tens+7 ones
svp [43]
12 hundreds+8 tens+7 ones =
12*100 + 8*10 + 7*1 = 
1200 + 80 + 7 =
1287  ← answer
7 0
4 years ago
Find the erea of the trapezoid.
katrin2010 [14]

9514 1404 393

Answer:

  32 yd²

Step-by-step explanation:

Use the area formula with the given dimensions.

  A = 1/2(b1 +b2)h . . . . . base lengths b1, b2; height h

  A = 1/2(2 +6)8 = 1/2(8)(8) = 32 . . . . square yards

The area of the trapezoid is 32 square yards.

6 0
3 years ago
If it takes 15 minutes to load 3 racks of buns jow many hours will it take to load 36vracks
zysi [14]
Write and solve an equation of ratios:

15 min              3 racks
----------      =     -------------
      x                  36 racks

Solving this for x:  3x = (15)(36)  =>  x = 180 minutes.

convert this into hours:     180 min        1 hr
                                         ------------ * -------------- = 3 hrs (answer)
                                               1              60 min
4 0
3 years ago
Tom has a collection of 30 CDs and Nita has a collection of 18 CDs. Tom is adding 1 CD a month to his collection while Nita is a
Marta_Voda [28]
30 + 1x = 18 + 5x
subtract 18 from both sides
30 - 18 + 1x = 18 - 18 + 5x
12 + 1x = 5x
subtract 1x from both sides
12 + 1x - 1x = 5x - 1x
12 = 4x
To clear the multiplication by 4, divide both sides by 4
12/4 = 4x/4
3 = x
It will take 3 months until they have the same amount of CD's
They will each have 33 CD's
8 0
3 years ago
The circumference of a circle is 31 in.<br> What is the area of the circle?
garik1379 [7]

Answer: 76.35in²

Step-by-step explanation:

Circumference of a circle = 2πr or πd , while area is πr².

To find the area we must first of all find the radius if the circle using any of the formula above.we then equate 31 to 2πr and then solve for r.

31 = 2πr , where π = 3.142 or 22/7

r = 31/2 x 3.142

= 31 /6.284

= 4.93in

To find the area, substitute for r in the formula above,

Area = πr²

= 3.142 x 4.93²

= 3.142 x 24.30

= 76.35in².

4 0
4 years ago
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