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Anna [14]
2 years ago
8

Write an expression for "two multiplied by t". Please help!! 10 POINTS

Mathematics
2 answers:
attashe74 [19]2 years ago
7 0

Answer:

2*t

Step-by-step explanation:

That should be it...

Just multiply 2 by t

Softa [21]2 years ago
4 0

Answer:

2t

"t" is the variable, and is similar to something that would look like this: 2(2)

i think you're overthinking this but I'll help out if I'm wrong

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Solve using the quadratic formula. Show all work. Write each solution in simplest form. No decimals.
vagabundo [1.1K]

Answer:

A) -2 - i√3 , -2 + i√3

Step-by-step explanation:

Solve using quadratic formula

x² + 4x + 7 = 0

The Almighty Formula

= -b ± √b² - 4ac/2a

Where ax + bx² + c = 0

From the above question

a = 1, b = 4, c= 7

Hence,

-4 ± √4² - 4 × 1 × 7/2 × 1

-4 ± √16 - 28/2

=( -4 ± √-12)/2

Since

b² - 4ac < 0

We have two complex roots

Simplifying

( -4 ± √-12)/2

= -4/2 ± √-12/2

= -2 ± 2√3i/2

= -2 ± √3i

Therefore,

-2 - √3i , -2 + √3i

or

-2 - i√3 , -2 + i√3

Option A , is the correct answer

3 0
2 years ago
What equation is represented in this graph.<br> 15 Points need ASAP. <br> Thanks!
guapka [62]

Answer:

y = e^{x}

4 0
3 years ago
Read 2 more answers
Sarina throws a ball up into the air, and it falls on the ground nearby. The ball's height, in feet, is modeled by the function
tangare [24]

Answer:

(C) 3 feet

Step-by-step explanation:

We have a function of f(x) here. When Sarina throws the ball, it has been 0 seconds since she threw it.

Since x represents the amount of seconds, we can find the height of the ball (f(x)) by substituting x in as 0.

-0^2 - 0 + 3

0 squared is 0, 0 minus zero is 0, and 0+3 = 3, so

f(x) = 3

Meaning that when Sarina threw the ball, it's height was 3 feet.

Hope this helped!

7 0
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nika2105 [10]

Answer:

c=2r

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c=2pir

divide by 2pi

c/(2pi)=r

Step-by-step explanation:

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2 years ago
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Vlad1618 [11]
-.8,2/33,1/11,.4 good luck
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