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lyudmila [28]
3 years ago
14

WILL MARK BRAINLIEST! The ratio of the angles in a triangle is 2:3:5. What are the angle measures?

Mathematics
1 answer:
ASHA 777 [7]3 years ago
8 0
Pretty sure it’s B

i added and subtracted the numbers to find out that the ratio between the numbers on B are correct
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A) Show that the equation 20-x^3-7x^2=0 can be rearranged to give x=20/x^2 - 7
AVprozaik [17]

Answer:

Step-by-step explanation:

      20-x^3-7x^2=0

a)

  • Add x^3 to both sides of the equation:     20-7x^2=x^3
  • Divide both sides by x^2:    \frac{20}{x^2} -\frac{7x^2}{x^2} =\frac{x^3}{x^2}  ⇒  \frac{20}{x^2} -7 =x

b)

    x_1=\frac{20}{(x_0)^2} -7

⇒ x_1=\frac{20}{(-9)^2} -7

⇒ x_1=-\frac{547}{81}

    x_2=\frac{20}{(x_1)^2} -7

⇒ x_2=\frac{20}{(-\frac{547}{81})^2} -7

⇒ x_2=-6.561443673...

   x_3=\frac{20}{(x_2)^2} -7

⇒ x_3=\frac{20}{(-6.561443673...)^2} -7

⇒ x_3=-6.535451368...

c) approximation to the location of one of the roots of the equation.  Each iteration gives a slightly more accurate value of a root x.

4 0
3 years ago
Matthew biked for 4 days across an island. He started at the shoreline, which is at an elevation of 0 feet. At the end of day 1,
erica [24]

Answer:

The answer is 5,030 feet.

Step-by-step explanation:

It is stated that his starting point is at an elevation of 0 feet. He climbs 3.200 feet on the first day and then adds another 1.830 feet on the second day. This makes his total elevation 3,200 + 1,830 = 5.030 feet.

As he reaches the other side of the island on the 3rd day which is at an elevation of 0 feet as well, he loses all the elevation he gained on days 1 and 2, which is 5,030 feet.

I hope this answer helps.

3 0
3 years ago
Nine out of ten students prefer math class over lunch. How many students do not prefer math if 200 students were asked?
fredd [130]
So, 9 out of 10 students prefer class, so, obviously, it would not be 100. It would be 150. So in conclusion, 50 students prefer lunch over math class, whilst 150 other students prefer math class over lunch.
3 0
3 years ago
Given a polynomial function f(x) = 2x2 – 3x + 5 and an exponential function g(x) = 2x - 5, what key features do f(x) and g(x) ha
Sunny_sXe [5.5K]

Both f(x) and g(x) have the same range of [0,-infinity).

<h3>What is a function?</h3>

A function is an expression that shows the relationship between two or more numbers and variables.

Plotting the functions f(x) = 2x² – 3x + 5 and g(x) = 2ˣ - 5:

Both f(x) and g(x) have the same range of [0,-infinity).

Find out more on function at: brainly.com/question/25638609

7 0
3 years ago
What was the error made in this conversion?
Snowcat [4.5K]

Answer:

  • B.) The 1,609 meters and the 3,218 meters in Step 1 should be switched.

Step-by-step explanation:

<u>Step 1 is incorrect. It should be:</u>

  • 3218 meters x 1 mile / 1609 meters = 2 miles

Correct answer option is B

4 0
3 years ago
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