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Nadusha1986 [10]
3 years ago
9

Please help me with this. I'm stuck

Mathematics
2 answers:
Anon25 [30]3 years ago
8 0

Answer:

Step-by-step explanation:

7 choose 2    or    

=7! / (7-2)!

=7*6*5*4*3*2*1  /  5*4*3*2*1

=7*6

=42

MatroZZZ [7]3 years ago
5 0

Answer:

It is 42!

Step-by-step explanation:

Your welcome! :)

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A large chocolate shake takes 0.8 of a pint of milk. A small shake takes 0.3 the amount of a large. How much milk does a small s
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3 years ago
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Circle A has been enlarged to create circle A'. The table below shows the circumference of both circles.
stich3 [128]

Answer:

Option (2) 1.5

Step-by-step explanation:

Rule for the dilation of an image by a scale factor is,

Scale factor = \frac{\text{Radius of image circle A'}}{\text{Radius of pre-image A}}=\frac{r'}{r}

                    = \frac{(2\pi) r'}{(2\pi) r}

                    = \frac{\text{Circumference of image}}{\text{Circumference of pre-image}}

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                    = 1.5

Therefore, scale factor was used to create a circle A' = 1.5

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8 0
3 years ago
The angles of a triangle are 80º, 2x + 2º, and 5xº. What is the value of x?
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Since the sum of the angles of a triangle = 180°

Then  <span>80º + (2x + 2)º + 5xº  = 180</span>°
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                                    (7x)° = 180° - 82°
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                                    ∴  x   = 14
7 0
3 years ago
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