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3 years ago

Equilateral triangle ABC is inscribed in Circle O. Use the diagram to find the following measures.

Mathematics

2 answers:

Bas_tet [7]3 years ago

7 0

Hoochie [10]3 years ago

7 0

AB 1. 120

ABC 2. 60

AOB 3. 120

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Differentiate with respect to x : 2xe^x

Gnom [1K]

$\\ \sf\longmapsto \dfrac{d}{dx}2xe^x$

Apply product rule

$\\ \sf\longmapsto \dfrac{d}{dx}2x(e^x)$

$\\ \sf\longmapsto 2x\dfrac{d}{dx}e^x+e^x\dfrac{d}{dx}2x$

$\\ \sf\longmapsto 2xe^x+2e^x$

$\\ \sf\longmapsto 2e^x(x+1)$

7 0

2 years ago

Which of the following expressions is equal to 2x2 + 18 ?

ehidna [41]

<h3>Answer: Choice C. (2x - 6i)(x + 3i)</h3>

Work Shown:

2x^2 + 18

2(x^2 + 9)

2(x - 3i)(x + 3i) .... see note below

(2x - 6i)(x + 3i)

Note: I used the rule that a^2 + b^2 = (a - bi)(a + bi). I recommend FOILing out the right hand side to confirm the equation is true. You'll use the idea that i^2 = -1.

4 0

3 years ago

The area of a rectangle is 5/8 meter. The length of the garden is 1/5 meter. What is the width of the rectangle?

Afina-wow [57]

Width of rectangle is $Width=\frac{25}{8} meters$

Step-by-step explanation:

Area of rectangle = $\frac{5}{8}$

Length of garden = $\frac{1}{5}$

Width of rectangle = ?

Using the Formula:

Area = Length * Width

Putting values and finding width:

$\frac{5}{8}=\frac{1}{5}*Width\\ Width=\frac{5}{8}\div\frac{1}{5}\\Width=\frac{5}{8}*\frac{5}{1}\\Width=\frac{25}{8} meters$

So, width of rectangle is $Width=\frac{25}{8} meters$

Keywords: Area of rectangle

Learn more about Area of rectangle at:

#learnwithBrainly

8 0

3 years ago

Help I’ll give Brainly est

Art [367]

Answer:

It's probably D or C, as you clicked.

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

A teacher calculated the mean of 27 students mark to be 62. A student who later completed the assessment got a mark of 53. What

BabaBlast [244]

Answer:

first of all the average score of students is 62.

and there are 27 students

so full marks scored by students are 27×62= 1674

and 1 new students added to that so his score would be 1674+ 53(his marks)= 1727

so now the mean of students are beause there are one more students so 27+1 = 28 then 28÷1727= 61.6 is the mean now

5 0

3 years ago