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Sidana [21]
3 years ago
14

Solve the equations by factorization method:(ii) x² - 2ax + a²-b=0​

Mathematics
1 answer:
andriy [413]3 years ago
8 0

Answer:

x=a+ b x=a-b

Step-by-step explanation:

BRAINLIEST PLSSSSSSSS

USE SYMBOLAB IT WORKS AND MATHPAPA

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A survey team is trying to estimate the height of a mountain above a level plain. From one point on the plain, they observe that
aliya0001 [1]

Answer:

5507.79 feet

Step-by-step explanation:

To find the height of the mountain, we can draw triangles as in the image attached.

Let's call the height of the mountain 'h', and the distance from the first point (31 degrees) to the mountain 'x'.

Then, we can use the tangent relation of the angles:

tan(34) = h/x

tan(31) = h/(x+1000)

tan(31) is equal to 0.6009, and tan(34) is equal to 0.6745, so:

h/x = 0.6745 -> x = h/0.6745

using this value of x in the second equation:

h/(x+1000) = 0.6009

h/(h/0.6745 + 1000) = 0.6009

h = 0.6009 * (h/0.6745 + 1000)

h = 0.8909*h + 600.9

0.1091h = 600.9

h = 600.9 / 0.1091 = 5507.79 feet

8 0
4 years ago
Possible my last brainliest if its right question idk may be more but this one is harsh for me
adelina 88 [10]
Correct Solution: He read 1.5 pages per minute.


Error Analysis: You should’ve divided 3 by 2 not 300. There are 300 pages in the book total. This information is irrelevant to the question. Cole reads 3 pages in two minutes. So you divide 3 by to to find out how many pages he reads per minute. 3/2=1.5
4 0
3 years ago
What is the value of <br> 6x−3yxy<br> when x=6 and y= -4?
Shkiper50 [21]

Answer:

-1116

Step-by-step explanation:

6(6) - 3(-4)(-4)(6)(4)

-1116

8 0
3 years ago
Read 2 more answers
Help please this is due today
dangina [55]

The experimental probability that in a group of 4 students, at least one of them has brown eyes is 95%.

<h3>What is Experimental Probability?</h3>

Experimental probability is a probability that is determined on the basis of a series of experiments. A random experiment is done and is repeated many times to determine their likelihood and each repetition is known as a trial. The experiment is conducted to find the chance of an event to occur or not to occur.

Here , Favorable Outcome = 19

          Total outcomes = 20

Probability = Favorable Outcome/ Total Outcome

                   = 19 / 20

                   = 95%

Thus, the experimental probability that in a group of 4 students, at least one of them has brown eyes is 95%.

Learn more about Experimental Probability from:

brainly.com/question/15729871

#SPJ1

5 0
2 years ago
Leonardo recorded his speed while skateboarding and determined he was traveling 18 feet per sec. How many feet could he travel i
hichkok12 [17]
The answer is 1080 ft/min
7 0
3 years ago
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