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zhenek [66]
3 years ago
6

Choose the correct choice?!? I think it's A but not sure??

Mathematics
1 answer:
SpyIntel [72]3 years ago
5 0
Your answer is right
3x^2 + 13x + 4
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Solve the problem.<br> Find the radius of a circle that has a circumference of 942 meters.<br> m
Montano1993 [528]
Circumference is equal to diameter multiplied by pi. C=d X pi. To find the radius we need to rearrange this equation. We know what pi and the circumference are, so to find diameter we do circumference divided by pi. D=c/pi. 942/pi = 299.85. This gives us the diameter, for the radius simply divide by 2 which is 149.92 :)
5 0
3 years ago
If a thermometer indicates 40 degrees Celsius, what's the temperature in degrees Fahrenheit? A. 22°F B. 72°F C. 54°F D. 104°F
Elena L [17]
F = 9/5C + 32

F = 9/5(40) + 32
F = 72 + 32
F = 105

40°C is ~105°F,  and the closest would be D.
5 0
4 years ago
Please helppppp meeeeeee!!!!!!!!!!!!!!!!!!!!
LenKa [72]

Answer:

The option is C i.e 115°, 65°. proof is given below.

Step-by-step explanation:

Given:

ABCD is a quadrilateral.

m∠ A = 100 + 5x

m∠ B = 77 - 4y

m∠ C = 106 + 3x

m∠ D = 47 + 6y

To Prove:

ABCD is a parallelogram if opposing angles are congruent by finding the measures of angles.

m∠ A = m∠ C and

m∠ B = m∠ D

Proof:

ABCD is a quadrilateral and is a parallelogram if opposing angles are congruent.

∴ m∠ A = m∠ C

On substituting the given values we get

∴  100 + 5x  = 106 +3x

∴ 5x-3x=106-100\\\\2x=6\\\\x =\frac{6}{2} \\\\x=3

m∠ A = 100 + 5x = 100 + 5 × 3 =100 + 15 = 115°

m∠ C = 106 + 3x = 106 + 3 ×3 =106 + 9 = 115°

∴  m∠ A = m∠ C = 115°

Similarly,

∴ m∠ B = m∠ D

77 - 4y = 47 + 6y

10y = 77 - 47

10y =30

∴y=\frac{30}{10} \\y = 3\\

m∠ B = 77 - 4y =77 - 4 × 3 = 77 - 12 = 65°

m∠ D = 47 + 6y = 47 + 6 × 3 = 47 + 18 = 65°

∴ m∠ B = m∠ D = 65°

Therefore the option is C i.e 115°, 65°

5 0
3 years ago
50 POINTS STUCK
hram777 [196]

Answer:

C. 62.8 units

Step-by-step explanation:

Use distance formula or Pythagorean theorem.  

Pythagorean-

6^2+8^2= radius^2

100= radius^2

10= radius

radius= r

Use circumference formula.

C=2pir

C=2pi10

C=62.83

7 0
3 years ago
Find the value of each trigonometric ratio!! Pls hurry!!!
Likurg_2 [28]

tan A is 4/3

use sohcahtoa

Angle a is 53.130 if you need it

4 0
3 years ago
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