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lesantik [10]
3 years ago
13

Write an equation for the description. The difference between a number x and 19 is 27.

Mathematics
1 answer:
ra1l [238]3 years ago
4 0

Answer

x-19=27

Step-by-step explanation:

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Valerie is performing an experiment by spinning a metal weight around on the end of a nylon thread. How far does the metal weigh
Triss [41]

Answer:

35.6 m

Step-by-step explanation:

Number of revolutions = 40

Length of thread = 0.89 m

Total Distance = Number of revolutions * Length of Thread

Total Distance = 40 * 0.89 = 35.6 m

3 0
3 years ago
Find the lengths of x <br><br> I tried everything I still got it wrong
Arlecino [84]

if the degrees in this triangle are truly 90-45-45, then the two unknown lengths are the same

and the pythagorean theorem holds anyways: a² + b² = c², where c is the longest side in a right triangle.

c is 16, so 16² is 256

2* a² = 256

I wrote 2 times s because a and b are of same length

devide each side by 2

a² = 128

take the root

a and b are:

\sqrt{128}  = 11.31378499

7 0
2 years ago
What scenario could be modeled by the graph below?
Dafna1 [17]

Answer:

I would believe that it is A.

Step-by-step explanation:

The fact that A has 5, and x is minus two times, 5/2= 2.5, and that is where the second arrowhead is pointing to on the x axis.

6 0
3 years ago
Can you tell me if this equation I made for a project is correct?
Schach [20]
Yes, your answer is correct
5 0
3 years ago
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The resistance for resistors of a certain type is a random variable Xhaving the normal distribution with mean 9 ohms and standar
Y_Kistochka [10]

Answer:

P(8.6

And using the normal standard distirbution or excel we got:

P(-1

Step-by-step explanation:

Let X the random variable that represent the resistance for resistors of a population, and for this case we know the distribution for X is given by:

X \sim N(9,0.4)  

Where \mu=9 and \sigma=0.4

We are interested on this probability

P(8.6

And the z score formula is given by:

z=\frac{x-\mu}{\sigma}

Using this formula we got:

P(8.6

And using the normal standard distirbution or excel we got:

P(-1

3 0
3 years ago
Read 2 more answers
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