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Rudik [331]
3 years ago
10

Derivative of 2ln(secx)

Mathematics
1 answer:
andrew-mc [135]3 years ago
5 0
2tan(x)

i. take the 2 out
ii. derivative of acos is -sin
iii. derivative of In is -ve inverse

so we have 2 times sin(x)/cos(x) hence 2tan(x)
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A small submarine travels at a speed of 2.4 km per hour. How far will the submarine travel in 0.25 hours
pentagon [3]

Answer:

a

TRUST ME

Step-by-step explanation:

PLEASE MAKE ME BRANLIEST

6 0
3 years ago
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Chris plans to mulch the Border surrounding a rectangular Garden in his backyard if the length of L of the garden (exculding its
Naya [18.7K]
The answer by the sequence:

Width of the garden = w
Length of the garden  = 2w+3

Width of the entire plot = w + 0.5w = 1.5w
Length of the entire plot = (2w + 3) 0.5w = 2.5w + 3

Area of the garden = w (2w + 3) 
Area of the entire plot = 1.5w (2.5w + 3)

Area of the garden = 2w² + 3w
Area of the entire plot = 3.75w² + 4.5w

Area of border = area of the entire plot - area of the garden
                          = 3.75w² + 4.5w - (2w² + 3w)

Area of the border = 3.75w² + 4.5w - 2w² - 3w

Area of the border = 1.75w² + 1.5w
3 0
3 years ago
Two angles of a parallelogram measures 57 degrees. What is the measure of other two angles?
nignag [31]

Answer:

123

Step-by-step explanation:

In a parallelogram, both pairs of opposite angles are congruent. Also, both pairs of opposite sides are parallel, meaning there are consecutive interior angles. Consecutive interior angles equal 180, so simply subtract 57 from 180 to find your missing angles.

4 0
3 years ago
Could you Show work please
notka56 [123]

Answer:

2784 cm^2

Step-by-step explanation:

I have indicated in the pic there are 4 types of rectangles:

green : 20 x 4 = 80

red : 18 x 4 = 72

yellow : 20 x 18 = 360

blue : 18 x 16 = 288

green has 6 identical surface area so 6 x 80 = 480

red has 4 so 4 x 72 = 288

yellow has 4 so 4 x 360 = 1440

blue has 2 so 2 x 288 = 576

total : 480 + 288 + 1440 + 576 = 2784

7 0
3 years ago
Read 2 more answers
Find the slope of the line that passes through the points (−2/3, 3/4) and (5/6, −1/2).
EastWind [94]

Answer:

-\frac{5}{6}

Step-by-step explanation:

Use the slope formula :\frac{y2-y1}{x2-x1}

-1/2 is y2, 3/4 is y1, 5/6 is x2, and -2/3 is x1.

\frac{-1/2-3/4}{5/6-(-2/3)}

\frac{-5/4}{5/6+2/3}

\frac{-5/4}{9/6}

\frac{-5}{4} ÷ \frac{9}{6}

-\frac{5}{4} • \frac{6}{9}

-\frac{5}{2} • \frac{3}{9}

-\frac{15}{18}  

-\frac{5}{6}

Hope this helps! Let me know if I got it wrong.

5 0
3 years ago
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