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Arturiano [62]
3 years ago
12

What is equivalent 2r+(t+r)2

Mathematics
1 answer:
ozzi3 years ago
3 0

Answer:

2 (2r + t)

Step-by-step explanation:

2r + (t + r) × 2

➡️ 2r + 2 (t + r)

➡️ 2 (r + t + r)

➡️ 2 (2r + t)

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Solve and model 7/10-3/10
sergij07 [2.7K]
Hello,

\frac{7}{10} -  \frac{3}{10} = 2/5 

Solution.

<span>\frac{7}{10} - \frac{3}{10}= The denominators are the same so you subtract the numerator. Your answer should be </span>\frac{4}{10}  simplified your answer is \frac{2}{5}.

Have A Good Day!
7 0
4 years ago
Lizzie makes 20 minutes of phone calls each day. Which plan will give Liza enough minutes for June with between 30 and 50 minute
tamaranim1 [39]
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4 years ago
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The function f(t) =16t 2 + 248 models the height f(t) in feet of a stone t seconds after it is dropped from the edge of a vertic
Hatshy [7]

Answer:

The time it takes for the stone to reach the ground is 3.94 s. This answer is correct.

Step-by-step explanation:

I believe there's a mistake in the equation shown, the acceleration (number that multiplies t²) should be negative, since the stone is falling, therefore I'll answer assuming it's -16 instead of 16, otherwise there would be no real solution to the equation.

In order to calculate how long it'll take for the stone to hit the ground we must make f(t) = 0 and find the time "t" that makes the equation valid, so we have:

f(t) = -16t² + 248 = 0

-16t² = -248

t² = -248/(-16) = 15.5

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7 0
3 years ago
1.75 grams * 1,000/1 g
Dvinal [7]
1.75 grams*1,000/1g=1750
6 0
3 years ago
I don’t understand? Somebody please help
Marrrta [24]

Answer:

X = -1/3, 1/3

Step-by-step explanation:

6x^2 - x = 1

(subtract 1 from both sides)

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(factor)

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(simplify)

(2x - 1) (3x + 1)

(Solve for x in each parentheses)

2x-1= 0 and 3x+1=0

X= -1/2 X= -1/3

7 0
3 years ago
Read 2 more answers
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