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kakasveta [241]
2 years ago
12

HELP PLS SHOW WORK ITS 2 PARTS

Mathematics
2 answers:
sdas [7]2 years ago
7 0

Answer:

a=4.2

Step-by-step explanation:

6.4-a=2.2

so 6.4-22=a

4.2=a

jok3333 [9.3K]2 years ago
6 0

Answer:

C

Step-by-step explanation:

6.4 - 2.2 = 4.2

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I need to find angle M
nadezda [96]

Answer:

m<AIR = 90 deg

Step-by-step explanation:

I assume the problem contains an error, and that AR is a diameter, not AC.

Look at the diameter of the circle, AR. It passes through the center of the circle, C. You can think of the two radii of the circle, CR and CA, as sides of angle RCA. Since AR is a diameter, and AR is a segment which is part of line AR, rays CR and CA are sides of an angle that lie on a line. That makes the measure of angle RCA 180 deg. Angle RCA is a central angle of circle C since its vertex is the center of the circle.

Angle AIR is an inscribed angle in circle C since its vertex is on the circle itself. If an inscribed angle and a central angle intercept the circle at the same two points, then the measure of the inscribed angle is half the measure of the central angle.

m<AIR = (1/2)m<RCA = (1/2) * 180 = 90

m<AIR = 90 deg

7 0
3 years ago
The current population of Burlington, Maine, is 360 and grows at a rate of 2% per year. Which equation could be used to determin
satela [25.4K]
Your answer would be A. 450 = 360(1.02) 
8 0
2 years ago
Use the quadratic formula to answer the question below.
ra1l [238]

Answer:

x = -2.32, 10.32 to the nearest hundredth.

Step-by-step explanation:

x^2 - 8x - 24 = 0

x = [ - (-8) +/- sqrt (((-8)^2 - 4*1*(-24)] / 2

= 4 +/- sqrt160/2

= 4 +/- 6.3245

=  -2.32, 10.32.

6 0
3 years ago
My brain capacity can not handle this one right now? Anyone good with geometry word problems? It’s number 12 if anyone is able t
densk [106]

Check the picture below.

8 0
3 years ago
Which answer choice correctly represents 0.4121212…?<br> A. 0.412<br> B. <br> C. <br> D.
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Answer = the value in the second picture or middle

The one in the second picture
The bar on top of the numbers 12 means that the 12 keeps on re-occurring
8 0
2 years ago
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