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Lynna [10]
2 years ago
11

Plz help I need help

Mathematics
2 answers:
Zarrin [17]2 years ago
3 0

Answer:

0.65 is the correct answer

Elan Coil [88]2 years ago
3 0

13/20

=13÷20

=0.65

I hope this is of use to you, and if it's not too much trouble, may I have your brainliest?

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If y is 5 when x is 2.5 and y varies directly with x, find y when x is 10
ikadub [295]

Answer:

If x varies directly as y, then x=ky. y=5 and x=2.5 are substituted into x=ky to find k.

2.5=5k

k=2.5/5

k=5.

K =5 is substituted in x=ky to find y where x is 10.

x=5y

10=5y

y=10/2

y=2

8 0
3 years ago
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Find each measure plz help
Rashid [163]

Answer:

m∠QRS = 52°

Step-by-step explanation:

From the given figure,

In right triangles ΔRQT and ΔRST,

QT = TS = 7.5 units [Given]

RT ≅ RT [Reflexive property]

ΔRQT ≅ ΔRST [By HL theorem of congruence]

Therefore, m(∠QRT) = m(∠SRT) = 26° [CPCTC]

m(∠QRS) = 2m(∠QRT)

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               = 52°

4 0
3 years ago
If the radius of a circle is 3.21 mm, what is the area of the circle? 32.35 mm2 10.08 mm2 20.162 129.42 mm2​
N76 [4]

Answer:

32.35mm2

Step-by-step explanation:

3.21 squared is 10.3041

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6 0
3 years ago
What is the arc length if θ = 7 pi over 4 and the radius is 5?
PolarNik [594]

The formula for arc length is:

s= r∅

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and r= 5

Therefore, arc length s= 7π/4 *5 = 35π/4

4 0
3 years ago
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Y=4x+2. To get slope you use 6-2/1-0. Which gives you 4. You then put that in point slope form.
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