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dybincka [34]
3 years ago
8

12 is 40% of __? please explain

Mathematics
2 answers:
blagie [28]3 years ago
4 0
The answer is 30. You can use the equation 0.4x (40%~turn to a decimal)=12. 12 divided by 0.4 is 30. I hope this helps.
Anna [14]3 years ago
3 0
The answer is 30 because 0.4x= 12 so divide 12/0.4 equals 30 your answer
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A circular pool is 32 foot across.What is the area of the pool rounded to the nearest hundredth of a foot?___square feet.
liberstina [14]

Answer:

correct answer is 95

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7 0
3 years ago
Classify the triangle with side lengths of 16, 13, and 12 as acute, right, or obtuse
kolezko [41]

Answer:

16+13+12=41

Step-by-step explanation:

it is acute

6 0
3 years ago
What is the solution to ln (x2 - 16) = 0?
bogdanovich [222]
ANSWER

x = \pm \sqrt{17}
EXPLANATION

The given equation is

ln( {x}^{2} - 16) = 0

Take antilogarithm of both sides to base e.

{e}^{ ln( {x}^{2} - 16) } = {e}^{0}

This will simplify to

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Take square root of both sides to get,

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6 0
3 years ago
Read 2 more answers
A 0.30 kg bird flies in a horizontal curve of radius 20 m at 15 m/s. The force exerted by the air on the bird is about
monitta

Answer:

<h2>b)  3.48 N approx.</h2>

Step-by-step explanation:

<em>The bird will experience a centripetal force, this is the force exerted on a body that moves through a curve path.</em>

F_c = \frac{mv^2}{r}

Fc=centripetal force

m=mass

v=velocity

r=radius

Step one:

given data

mass of bird m=0.3kg

the radius of curve r= 20m

velocity v= 15 m/s

Substituting we have

F_c = \frac{0.3*15^2}{20}\\\\F_c= \frac{0.3*225}{20}\\\\ F_c=\frac{67.5}{20}\\\\F_c=3.37N

<u>The force is 3.37N</u>

7 0
3 years ago
4. points 7th grade math<br><br><br><br> 19 = h/3 - 8
vesna_86 [32]

19 = h/3 - 8

add 8 to each side

19+8 = h/3 -8 +8

27 = h/3

multiply by 3 on each side

27*3 = h/3 *3

81 = h

8 0
3 years ago
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