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galben [10]
3 years ago
14

Find the missing number 2 ?/4 = 11/4 ?/10 =4/5

Mathematics
1 answer:
fgiga [73]3 years ago
4 0

Answer:

Step-by-step explanation:

1)

?/10 =4/5

?/5×2 =4/5

4×2/5×2 =8/10  ... the number is : 8

2)

?/4 = 11/4....the number is : 11

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X axis because of its sequence that it is involved with a reflection which is a transformation

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The cosine function reaches a value of 0 when x is equal to
ollegr [7]

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Step-by-step explanation:

The values ​​of the cosine function are represented by the axis OX of the goniometric circumference (circumference centered at the origin and of radius 1). Therefore the cosine is zero for the 90º and 270º angles.

4 0
2 years ago
A 25 kg rock , is raised to the top of a hill 10 m high. What is the PE of the rock ?
nexus9112 [7]

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

Potential  \:  \: Energy =(mass) \times (gravity \: acceleration) \times (height) \\

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If gravity acceleration is 10 :

PE = 25 \times 10 \times 10

PE = 2500

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If gravity acceleration is 9.8 :

PE = 25 \times 9.8 \times 10

PE = 25 \times 98

PE = 2450

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3 0
2 years ago
after spending 80% of her daily allowance, Ola found out she had 25k left. How much was her total allowance?
Anestetic [448]

Answer:

31.25 k

Step-by-step explanation:

80 %   *  x = 25 k

.80  x    = 25 k

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8 0
1 year ago
If you guys can answer this then please help
s344n2d4d5 [400]

Answer:

64°

Step-by-step explanation:

First, we have to find the angle situated in R, the addition of all angles in a triangle is 180° so that means:

x + 68 + 48 = 180

x = 180-116 = 64°

Now, remember that this angle (64°) is the same as this one = ?, thanks to one property.

So basically, that angle has the same value as that one.

? = 64°

Hope it was helpful ;)

8 0
2 years ago
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