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3 years ago

11

Please help me with this one I beg you!! And don’t send those file links I know that their scams. Please help I will mark brainl

iest!!

1 answer:

borishaifa [10]3 years ago

3 0

Step-by-step explanation:

2;6 -> 6; -2

4;4 -> 4 ; -4

6;8 -> 8; -6

sorry English isn't my first language so I can't explain it :((

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Is -4 rational or irrational

Hoochie [10]

It’s a Rational number

8 0

3 years ago

What does AC=?<br> Round your answer to the nearest hundredth. <br><br> Please help

faltersainse [42]

Answer: About 3.06

Step-by-step explanation:

We can use trigonometry functions to solve for AC. Let the ?, representing AC, be "x" in our mathematical work.

Since we have the hypotenuse and x is adjacent to the angle given, I am going to use cosine.

cos(θ) = $\frac{adjacent}{hypotenuse }$

cos(40) = $\frac{x}{4}$

0.766 ≈ $\frac{x}{4}$

3.06 ≈ x

x ≈ 3.06

4 0

3 years ago

A domain of [-4, -2, 1

UNO [17]

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5 0

3 years ago

If a toy helicopter is moving at 12 m/s, how much energy does 3kg toy have?

kakasveta [241]

9514 1404 393

Answer:

216 J

Step-by-step explanation:

The kinetic energy is given by ...

KE = 1/2mv^2

KE = (1/2)(3 kg)(12 m/s)^2 = 216 kg·m²/s² = 216 J

The kinetic energy of the toy is 216 joules.

__

Its potential energy depends on its height.

6 0

4 years ago

NEED HELP WILL GIVE 5 STAR, THANKS, AND BRAINLIEST FOR BEST ANSWER PLEASE HELP ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

yulyashka [42]

Answer:

h = -t+20

After 8 hours the candle will be 12 inches

Step-by-step explanation:

We have 2 points (time, inches)

(3,17) and (5,15)

We can find the slope

m = (y2-y1)/(x2-x1)

= (15-17)/(5-3)

= -2/2

= -1

We can use point slope form

y-y1 = m(x-x1)

Replace y with h and x with t

h-17 = -1 (t-3)

Distribute

h-17 = -t+3

Add 17 to each side

h-17+17 = -t+3+17

h = -t+20

After 8 hours

h = -t+20

h = -8+20

h= 12

4 0

3 years ago