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mixas84 [53]
3 years ago
6

What is the area of circle with a radius of 2.45 cm?

Mathematics
1 answer:
Ganezh [65]3 years ago
7 0

Answer:

A≈18.86cm² R= 2.45

Step-by-step explanation:

A= π r 2 = π 2.45 2 ≈ 18.85741cm²

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If NTM is congruent to OUM, SP is congruent to SQ, S is the center of the circle, and OM = 18, find NT. Round the answer to the
Aleks [24]
OM=18, so OQ=QM=18/2=9.
 Given QU=8
from figure OQU is a right angled triangle , so OU^2=OQ^2 + QU^2
OU^2 = 9*9 + 8*8 = 81+72=153;
OU=sqrt(153) = 12.37 =13(approx);
From given statements of congruent NT and OU will also be congruent or identical. So, NT=OU=13
4 0
3 years ago
G<br> Express as a percent.<br> 4/5%
Aloiza [94]

Answer:

80%

Step-by-step explanation:

I'm assuming you meant express 4/5 as a percent and not 4/5%. So simply evaluate 4/5 to get 0.80. Now multiply this value by 100 to get the percentage which gives you 80%

5 0
2 years ago
A car salesperson earns 1.5% commission on every car sold. The salesperson sell a car for $22,500. What is the commission?
Mariulka [41]
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5 0
4 years ago
Read 2 more answers
Which is an equation of the line that passes
yan [13]

Answer:

y=1/2x+6

Step-by-step explanation:

Lines that are parallel will have the same slope, so the slope will remain 1/2. However, the y-intercepts can't be the same because then they will overlap each other instead. So we must solve for the missing y-intercept in this case:

y = 1/2x + b

4 = 1/2(-4) + b

4 = -2 + b

6 = b

b = 6

Since the y-intercept is b=6, then the equation of the line that passes through the point (-4,4) and is parallel to the line y=1/2x-4 is y=1/2x+6

3 0
3 years ago
4. Solve the system using substitution.
Yuri [45]

Answer:

A

Step-by-step explanation:

-3+2=-1 and (9)- 8=1

3 0
3 years ago
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