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ANEK [815]
3 years ago
15

WILL MARK BRAINLIEST IF CORRECT

Mathematics
1 answer:
RideAnS [48]3 years ago
7 0
The answer would be “D” because it’s is 4 less than 7j.
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I really need help please
weqwewe [10]

Answer:

45 degree

A right triangle has a 90-degree angle and two 45-degree angles.

8 0
3 years ago
A production manager at a wall clock company wants to test their new wall clocks. The designer claims they have a mean life of 1
TEA [102]

Answer:

The correct answer will be "0.3043".

Step-by-step explanation:

The given values are:

\mu = 15

n=41

\sigma^2=25

then,

\sigma=5

If researchers know representative sample n > 30 and default deviation those who use z-test

∴  P(x>15.4)

⇒  1-P(x

⇒  1-P(\frac{x-\mu}{\frac{\sigma}{\sqrt{n} } }

⇒  1-P(Z

⇒  1-0.695762

⇒  0.3043

6 0
3 years ago
Simplify. 3.3÷(0.8−3)−0.5 Enter your answer in the box.
Veseljchak [2.6K]

Answer:

-2

Step-by-step explanation:

3.3÷(0.8−3)−0.5

First think of PEMDAS

So first do parenthese

(0.8-3)=-2.2

3.3÷-2.2-0.5

Now do division

3.3/-2.2=-1.5

and now subtraction

-1.5-0.5=-2


6 0
3 years ago
Read 2 more answers
What is the inverse of f(x) = 1/3 x +2
Elanso [62]

Answer:

The inverse of this function is f(x) = 3x - 6.

You can find the inverse of any function by switching the f(x) and x values. Once you've done that, solve for the new f(x). The result will be the inverse function. The step-by-step process is below.

f(x) = 1/3x + 2 ---> Switch f(x) and x values

x = 1/3f(x) + 2 ---> Subtract 2 from both sides

x - 2 = 1/3f(x) ----> Multiply both sides by 3

3(x - 2) = f(x) ----> Distribute the 3

3x - 6 = f(x) ----> Place in the proper order for formatting purposes

f(x) = 3x - 6

And that is your inverse function.

Step-by-step explanation:

7 0
3 years ago
The price of patatoes first increased by 10% and then fell by 8%. Find the net percentage change in the price of patatoes.
timofeeve [1]

Answer:

10%-8%=2

2/8=0.25

0.25×100=25

The net percentage is 25%

6 0
3 years ago
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