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Anastaziya [24]
2 years ago
8

Find the value of x and the value of y

Mathematics
1 answer:
Doss [256]2 years ago
6 0

Answer:

C

Step-by-step explanation:

These sides are in a ratio:

1 : 2 : \sqrt{x} 3

Therefore:

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Help with my math homework
sertanlavr [38]

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5 0
3 years ago
Radius: 12<br> diameter: 24 inches <br> circumference:<br> area:
Hatshy [7]
The formula for the area of a circle is \pi  r^{2}

To break it up, its π×r×r=A

The radius is 12inches

So the equation is 3.14×12×12

3.14×12=37.68

37.68×12=452.16

452.16 rounded is 452

A=452inches

8 0
3 years ago
A number is chosen at random from 1 to 25. Find the probability of selecting
pogonyaev

Answer:

28

Step-by-step explanation:

8 0
3 years ago
Can someone help me with this?​
Anna35 [415]

Answer:

Let 'a' be the first term, 'r' be the common ratio and 'n' be the number of terms

Series = 2+6+18.......= 2+2•3¹+ 2•3².......= 728

Now,

Sum =  \frac{a( {r}^{n} - 1) }{(r - 1)}   \\

So,

\frac{a( {r}^{n} - 1)}{(r - 1)}  = 728 \\  \frac{2( {3}^{n} - 1) }{(3 - 1)}  = 728 \\  \frac{2( {3}^{n} - 1) }{2}  = 728 \\  {3}^{n}  - 1 = 728 \\ {3}^{n}=728+1\\ {3}^{n}  = 729 \\  {3}^{n}  =  {3}^{6}  \\ \boxed{ n = 6}

Therefore, number of terms is 6

  • 6 is the right answer.
3 0
3 years ago
Mark the sum as either positive or negative
tester [92]

Answer:

1: Positive

2: Negative

3: Negative

4: Negative

Step-by-step explanation:

Positive plus Negative equals negative.

Positive plus positive or negative plus negative equals positive.

Hope this helps.

6 0
3 years ago
Read 2 more answers
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