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olchik [2.2K]
2 years ago
7

Sam does 11 jumping jacks in 8 seconds. If he does the jumping jacks at a constant rate, how many jumping jacks can he do in 20

seconds?
Mathematics
2 answers:
Anon25 [30]2 years ago
7 0

Answer:

baila como juana la cubana

Step-by-step explanation:

sweet-ann [11.9K]2 years ago
4 0
Sam can do about 35 jumping jacks in 20 seconds.
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vitfil [10]

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2 years ago
Evaluate the expression when m=6 and n=33. <br><br> n-5m=
jok3333 [9.3K]
N = 33 and m = 6 substitute in the values in place of the variables to get 33 - 5*(6). distribute the five to get 33 - 30 =3. the answer is three
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3 years ago
PLEASEEEEEE HELPPPPPPPPP<br><br> what are the zeros for this?<br> f(x) = 2x^2 + 6x + 2
MatroZZZ [7]

Answer:

-3/2 ±1/2 sqrt(5) = x

Step-by-step explanation:

f(x) = 2x^2 + 6x + 2

Set the function equal to 0

0 = 2x^2 + 6x + 2

Factor out 2

0 = 2(x^2 + 3x + 1)

Divide by 2

0 = (x^2 + 3x + 1)

Subtract 1 from each side

-1 = x^2 +3x

Complete the square by dividing the x coefficient by 2 and then squaring

(3/2)^2 = 9/4

-1 +9/4 = x^2 +3x+9/4

-4/4+9/4 = (x+3/2) ^2

5/4 = (x+3/2) ^2

Taking the square root of each side

± sqrt(5/4) = sqrt( (x+3/2) ^2)

±1/2 sqrt(5) =  (x+3/2)

Subtract 3/2 from each side

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3 0
2 years ago
Which are equivalent ratios to 2:3?
Gwar [14]

Answer:

8:12 6:9 4:6

Step-by-step explanation:

Divide each ratio by 2:3 and check if both numbers on either side of : are the same

For example:

8:12 divided by 2:3 = 4:4

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2 years ago
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242,628 written in word form
Svet_ta [14]
Two hundred forty two thousand, six hundred twenty eight.
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3 years ago
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