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Svetlanka [38]
3 years ago
11

Which of these is the answer please.

Mathematics
2 answers:
FinnZ [79.3K]3 years ago
6 0
Answer: the first one
kondaur [170]3 years ago
4 0

Answer: maybe the first one

Step-by-step explanation:sorry if im wrong

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Is the sum of two rational numbers rational
Advocard [28]

Answer:

no they are irrational

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2 years ago
In a circle with a radius of 7 feet, the radian measure of the central angle subtended by an arc with a length of 4 feet is . Th
ivann1987 [24]
We know that
length of a sector=[∅]*r--------> when ∅ is in radians
so
∅=length of a sector/r
for r=7 ft
length of a sector=4 ft
∅=4/7-----> 0.57 radians

the answer part 1) is 0.57 radians

part 2) 
area of a sector=(∅/2)*r²--------> when ∅<span> is in radians
</span>area of a sector=(4/7/2)*7²-----> (4/14)*49----> 14 ft²

the answer Part 2) is 14 ft²
3 0
3 years ago
Is a -2/3 a integer?Is it also a rational number?
Elena-2011 [213]
No it’s not a rational number
7 0
3 years ago
X<br> 107<br> 34<br> What is the measure of Angle X?
garri49 [273]

Answer:

Angle X is 39 degrees

Step-by-step explanation:

107+34=141 degrees

180-141= 39 degrees

Angle X is 39 degrees.

5 0
2 years ago
Find the volume of this sphere.<br> Use 3 for TT.<br> V ≈ [?]in³<br> V = πr³<br> 5in<br> Entering
nydimaria [60]

Answer:

500

Step-by-step explanation:

r = 5

r³ = 125

V = (4/3)pi(r³)

pi = 3

V = (4/3)3(125)

/3 and x3 cancel

V = 4 x 125

V = 500

6 0
2 years ago
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