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Rufina [12.5K]
3 years ago
13

I'm in 8th grade, my worst class is math, we are working on the Pythagorean theorem, we have a test in two days, I can't seem to

remember the perfect squares, I ask my teacher but she is too buisy helping other students
Mathematics
1 answer:
luda_lava [24]3 years ago
3 0
It would be a squared X b squared = C squared.
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Evaluate the expression. 2x – 19, when x = –11 3 –41 –3 41
kakasveta [241]
Substitute (-11) in for x. You will get 2(-11)-19. Then, use the order of operations to get -22-19=
-41.
Hope that helps!
3 0
3 years ago
Helpppp pleasee
ICE Princess25 [194]

Using the recursion equation, it is found that the value of the 2nd iterate is:

x_2 = 3.16228

<h3>What is the recursive equation?</h3>

The value of the nth iteration is given by:

x_n = \frac{x_{n-1} + \frac{10}{x_{n-1}}}{2}

The initial estimate is:

x_0 = 3.1

Hence, the 1st iterate is given by:

x_1 = \frac{x_0 + \frac{10}{x_0}}{2} = \frac{3.1 + \frac{10}{3.1}}{2} = 3.1629

The 2nd iterate is:

x_2 = \frac{x_1 + \frac{10}{x_1}}{2} = \frac{3.1629 + \frac{10}{3.1629}}{2} = 3.16228

Thus, the fourth option is correct.

You can learn more about recursive equations at brainly.com/question/6561461

6 0
2 years ago
413÷19= divide then check using multiplication
Lelechka [254]
It is 21.73684210526316 which is rounded to the ones so it is 22.00000000000000
19x22=418 and 418 is close to 413 I help this help
8 0
3 years ago
The population of a town was 10,000 in 2018. Each year the town's population grows by 23%. Let x=0 be the year 2018. Create the
Naily [24]

Answer:

 f(x)=10000(1.23)^x

Step-by-step explanation:

We are going to apply algebra to solve for the exponential growth

we know that the expression for the exponential formula is

y = ab^x.

where

a = the amount before measuring growth or decay

= 10,000

r = growth or decay rate = 23%= 0.23

x = number of time intervals that have passed

since this problem is on the growth we are going to replace "b" with (1+r), likewise for decay (1-r)

hence the formula becomes

y = a(1+r)^x.

f(x)=10000(1+0.23)^x \\\\f(x)=10000(1.23)^x

The expression that will give the population value is

f(x)=10000(1.23)^x

7 0
3 years ago
Mount Belinda is the highest point in the South Sandwich Islands, with a peak of 1,370 meters above sea level. The South Sandwic
AveGali [126]

Question is not complete. Complete question is;

Mount Belinda is the highest point in the South Sandwich Islands, with a peak at about 1,370 meters above sea level. The South Sandwich Trench, which lies about 100 kilometers (62 miles) to the east of the South Sandwich Islands, is about 8,428 meters below sea level (at its lowest point).

Part A: What is the difference in elevations between Mount Belinda and the South Sandwich Trench?

Part B: Is the elevation halfway between the peak of Mount Belinda and the South Sandwich Trench above sea level or below sea level? Give your explanation without calculating the exact value.

Part C: What elevation is halfway between the peak Mount Belinda and the South Sandwich Trench?  

Answer:

A) 100478.86 metres

B) Explained below.

C) 50239.43 metres

Step-by-step explanation:

I have attached an image showing the elevations as depicted in the question.

MB represents peak of Mount Belinda while SS represents lowest point of South Sandwich Islands.

A) Now, total vertical distance from peak of MB to lowest point of SS is;

8428 + 1370 = 9798 metres

Since the horizontal distance between MB and SS is 100000 metres, then we can use pythagoras theorem to find the Elevation between MB and SS.

If the Elevation is x.

Thus;

x = √(9798² + 100000²)

x = 100478.86 metres

B) The Elevation between peak of MB and lowest point of SS will be halfway below the sea level because the distance from the lowest point of SS from the sea level is 5 times bigger than the distance from peak of MB to the sea level.

C) The halfway Elevation between peak MB and lowest SS will be;

100478.86/2 = 50239.43 metres

3 0
3 years ago
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