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Elza [17]
3 years ago
8

Type the correct answer in the box. Use numerals instead of words.

Mathematics
1 answer:
Lunna [17]3 years ago
3 0

Answer:50%

Step-by-step explanation:

Each week the number decreased by 1/2 which is equal to 50%. Therefore the average number of decrease per week is 50%. Hope this helped!!

could I by any chance get a brainliest?

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Find the inverse of the following function.
ludmilkaskok [199]

Answer:

A

Step-by-step explanation:

f(x) =³√(x+12)

Let, y=³√(x+12)

Exchanging x and y,

x=³√(y+12)

Cubing on both sides,

x³=y+12

x³-12=y

f-¹(x) =x³-12

8 0
3 years ago
Which of the numbers below is less than 48.975? Select all that apply. A) 48.9 B) 48.98 C) 48.963 D) 49​
ryzh [129]
The correct answers would be both A and C
5 0
3 years ago
Which line is perpendicular to the given equation: y=2x+17
pentagon [3]

Answer:

\large\boxed{y=-\dfrac{1}{2}x+b,\ \text{wher}\ b\in\mathbb{R}.}

Step-by-step explanation:

\text{Let}\ k:y=m_1x+b_1,\ l:y=m_2x+b_2\\\\l\ \perp\ k\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}\\\\l\ \parallel\ k\iff m_1=m_2\\==========================\\\\\text{The slope-intercept form of an equation of a line:}\\\\y=mx+b\\\\m-slope\\b-y-intercept\\==========================\\\\\text{We have the equation of the line:}\ y=2x+17\to m_1=2.\\\\\text{Therefore}\ m_2=-\dfrac{1}{2}.\\\\\text{The equation of a line:}\ y=-\dfrac{1}{2}x+b,\ \text{wher}\ b\in\mathbb{R}.

8 0
3 years ago
Derek’s bike has a mass of 12 kg and he is riding at a velocity of 8 m/s. What is the kinetic energy of the bike
Marrrta [24]
Answer: The kinetic energy of Derek's bike is 384.

To find the kinetic energy of an object, we need to know the mass and the velocity of the object. Both of those are already given in the problem. So we can simply use the formula.

The formula for kinetic energy is KE  =0.5(m)v^2. All we need to do is input the know variables and evaluate.

KE = 0.5 (12) (8^2)
KE = 0.5(12)(64)
KE = 384
4 0
4 years ago
Factor completely.<br><br> x2+7x−18<br><br><br><br> Please Help
nikdorinn [45]

Answer:

(x+9)(x-2)

Step-by-step explanation:

There has to be two numbers that add to be 7 and multiply to be -18.

So 9 and -2

Hope this helps

Brainliest would be appreciated

6 0
3 years ago
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