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Anastasy [175]
3 years ago
15

How many times as many circles will there be at stage 21 compared to stage 20

Mathematics
1 answer:
babymother [125]3 years ago
3 0

Answer:2^{10}\ circles

Step-by-step explanation:

Given

Stage 20 has 2^9 circles

Considering at each consecutive stage circle doubles itself

So at stage 21, there will be 2\times 2^9=2^{10} circles

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What’s the total value of 20 quarters, 40 dimes, 30 nickels, and 15 pennies
Inessa [10]

Answer$10 65 cents

Step-by-step explanation:

20/4= $5 40/10= $4  .05 x 30= $1.50 and add those together to get $10.50 then add the 15 pennies which is $10.65

6 0
3 years ago
Read 2 more answers
Factor each completely. <br><br>10a² - 9a + 2 <br><br>​
Sophie [7]

Answer:

a= \frac{2}{5} or \frac{1}{2}

Step-by-step explanation:

Equate the equation to zero

10a^{2}-9a+2=0

10a^{2}-5a-4a+2=0

5a(2a-1)-2(2a-1)=0

Write out the factors

(5a-2)(2a-1)=0

Then equate each factor to zero

5a-2=0 OR 2a-1=0

5a=2  OR  2a=1

a= \frac{2}{5}   OR a= \frac{1}{2}

a=\frac{2}{5} or \frac{1}{2}

3 0
3 years ago
How would you solve #8
stellarik [79]
I hope this helps you

4 0
3 years ago
Find BC. any help will be appreciated:)
Ilia_Sergeevich [38]

Answer:

4

Step-by-step explanation:

Here,BC=1/2FH

BC=8/2

BC=4

This is the required answer

<em>hope</em><em> </em><em>it</em><em> </em><em>hel</em><em>ps</em><em> </em><em>u</em><em> </em><em>and</em><em> </em><em>keep</em><em> </em><em>smiling </em>:)

8 0
3 years ago
16. 68, ......., 96, 113, 132<br>a. 80<br>b. 81<br>c. 96​
vfiekz [6]

Answer:

B.

Step-by-step explanation:

So there is a pattern:

132-113=19

113-96=17

96-? is going to equal 15

So 96-81=15

And 81-68=13

4 0
3 years ago
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