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timofeeve [1]
3 years ago
14

What is the measure of angle A?

Mathematics
2 answers:
fredd [130]3 years ago
6 0

Answer:

132°

Step-by-step explanation:

The measure of arc CB is 2 times 48. (An inscribed angle is one-half the measure of its intercepted arc. The intercepted arc is angle CDB).  Arc CB is 96, and angle COB is 96 (An arc is congruent to its central angle, vice versa).

An exterior angle is equal to one-half the difference of its two intercepted arcs. The two intercepted arcs of angle A are major arc CDB and minor arc CB. CDBC (all the way around) has to equal 360, so 360-96=264. One-half of that is 132°, the measure of ∠A.

Ilya [14]3 years ago
3 0

Answer:

96

Step-by-step explanation:

O is double D. And A is equal to O. Hence 2*48=96

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Firdavs [7]
الله عظيم في كل حائل الله

5 0
3 years ago
1. Between which two perfect squares is √130?<br><br><br> 2. Which two integers is √82 between?
max2010maxim [7]
Q1:-
-------
12*12= 144
11*11=121
so the answer of 1. lies between 11 and 12

Q2:-
--------
9*9=81
10*10=100
so sqrt(82) is between 9 and 10
5 0
3 years ago
Read 2 more answers
If 3x + 13 = 19, find the value of 2x + 1. 2x + 1 =​
Ratling [72]

Answer: 7.4

Step-by-step explanation:

3x + 13 = 19

3x = 6

x = 2

Now substitute value of 'x' in the second equation:

2(2) + 1.2(2) + 1

= 4 + 2.4 + 1

= 5 + 2.4

= 7.4

6 0
4 years ago
Read 2 more answers
1. Ifp=7,9 =-6, r = 10 and s=-4, calculate:
Ratling [72]

the answers as follows

a) 16 b) 13 c) 16 d) 46 e) -630 f) 18 g) -32 h) 50 i) -6 j)38 l)61

Step-by-step explanation:

a) p + 9 = 7 + 9 = 16

b) p - s = 7 - (-4) = 7 + 4 = 13

c) r - q = 10 - (-6) = 16

d)q + 52 = -6 + 52 = 46

e) pqr = 7 X (-6) X 10 = -630

f) r + 8 = 10 + 8 = 18

g) pq + r = 7 X (-6) + 10 = -42 + 10 = -32

h) r - qs = 10 - (10 X (-4))= 10 + 40 = 50

i) 3r + 6q = 3 X 10 + 6 X (-6) = 30 - 36 = -6

j) 59 - 3p = 59 - 3 X 7 = 59 - 21 = 38

k) check your question

l) 4q + 85 = 4 x (-6) + 85 = -24 + 85 = 61

4 0
4 years ago
Read 2 more answers
Using Unit Rates to convert
miss Akunina [59]

Answer:

5 minutes

Step-by-step explanation:

To find the number of minutes it takes Jason to run a mile, we have to first find the rate at which he runs.

This is called Jason's speed. It is given as

Speed = \frac{distance}{time}

Speed = \frac{440}{75}\\ \\\\Speed = 5.86 yards/second

From the formula of speed, time is given as:

time = \frac{distance}{speed}

Time taken for Jason to run 1 mile (1760 yards) will therefore be:

time = \frac{1760}{5.86} \\\\\\time =  300.34 secs

Converting this time to minutes yields:

60 seconds = 1 minute

300.34 equals:

\frac{300.34}{60} = 5.0 minutes

It takes Jason 5 minutes to run 1 mile.

8 0
4 years ago
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