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Firdavs [7]
2 years ago
8

Differentiate loge(x/x^2+7)​

Mathematics
1 answer:
attashe74 [19]2 years ago
4 0

Answer:

1+1=11 2+2=22 ok na yan kuya or ate

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Solve:<br> sin5x - cos2x + sin x = 0.
mote1985 [20]

Answer:

x = 10 , 45 degrees.

Step-by-step explanation:

This seems a tricky one .

I guess we can use   sin A + sin B =  2 sin (A+B)/2 cos (A - B) / 2

so sin 5x + sin x = 2 sin 3x cos 2x so our equation becomes

2 sin 3x cos 2x - cos 2x = 0

cos 2x ( 2 sin 3x - 1) = 0

so 2 sin 3x = 1

sin 3x = 1/2

giving 3x = 30 degrees and x = 10 degrees

or cos 2x = 0

so 2x = 90

giving x = 45 degrees.

8 0
3 years ago
If the area of a triangle is 28in2 and the height is 8 inches, determine the length of the base.
klemol [59]

area of triangle formula = ½ × B × H

28in2 = ½ × B × (8)

28in2 = 4 × B

28 ÷ 4 = B

Therefore, length of base = 7 inches

i hope my solution helps :))

6 0
2 years ago
45°
ioda

Answer:

   x = \sqrt{\frac{7}{2} }

Step-by-step explanation:

<u><em>Explanation</em></u>

From given graph

          AC = √7

 Given angle ∝ = 45°

    cos\alpha = \frac{adjacentside}{Opposite side}

   cos45 = \frac{x}{\sqrt{7} }

      \frac{1}{\sqrt{2} } = \frac{x}{\sqrt{7} }

       x = \frac{\sqrt{7} }{\sqrt{2} }

      x = \sqrt{\frac{7}{2} }

     x = 1.8708

7 0
2 years ago
Can you subtract closed polynomials
netineya [11]

Answer:

Polynomials are closed under addition. When subtracting polynomials, the variables and their exponents do not change. Only their coefficients will possibly change. This guarantees that the difference has variables and exponents which are already classified as belonging to polynomials.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
2. There are 207 students in the 9 classes at East Middle School. At this rate, how many
LenaWriter [7]

Answer:

138

students | 46  | 46 | 46 = 138    138/207 = 2/3

Classes |    2   | 4   |   6

Step-by-step explanation:

Pls Give brainliest

Hope this helps :)

- massmaster34

3 0
2 years ago
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