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Marysya12 [62]
2 years ago
5

NEED HELP ASAP PLUS BRAINLIEST

Mathematics
1 answer:
Andre45 [30]2 years ago
7 0
∠A= 112.5°, ∠B=67.5°, ∠C is 67.5° and ∠D 112.5°.
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A-(b+c)for a=2 b=-5 c=8
Ksivusya [100]

Answer:

-1

Step-by-step explanation:

A-(b+c)

Let a=2 b=-5 c=8

2 - (-5+8)

2 - (3)

2-3

-1

6 0
4 years ago
18 = r/3 what is r???
ohaa [14]

Answer:

54

Step-by-step explanation:

r/3 = 18

r/3 * 3 = 18 * 3

r = 54

7 0
3 years ago
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What is the derivative of y=3tan(x)y=3 tan (x) ?
maw [93]
y=3tanx\\\\tanx=\frac{sinx}{cosx}\Rightarrow y=\frac{3sinx}{cosx}\\\\\\y'=\frac{(3sinx)'cosx-3sinx(cosx)'}{(cosx)^2}=\frac{3cosxcosx-3sinx(-sinx)}{cos^2x}=\frac{3cos^2x+3sin^2x}{cos^2x}\\\\=\frac{3(cos^2x+sin^2x)}{cos^2x}=\frac{3(1)}{cos^2x}=\frac{3}{cos^2x}\\\\-------------------\\\\sin^2x+cos^2x=1

6 0
3 years ago
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The second trimester begins at A. three months. B. four months. C. six months. D. nine months.
taurus [48]
94% then 83% then 73% then 63% 
4 0
3 years ago
Riley is also making boxes to hold baseballs. She wants the dimensions of her boxes
Sergio039 [100]

The volume of the box is 105 cubic units.

<h3>What is volume of cuboid ?</h3>

The amount of space inside a cuboid is calculated using the term "cuboid volume." Having length, breadth, and height, the cuboid is a three-dimensional shape. A shape with a certain length, breadth, and height will be obtained if we start with a rectangular sheet and keep stacking them. Length x Width x Height is the formula for calculating the cuboid's volume.

Given that : The dimensions of her boxes to be 4 x 6 x 3 units.

The volume of cuboid=7×5×3=105 cubic units.

so ,The volume of the box is 105 cubic units.

To learn more about the volume of the cuboid visit:

brainly.com/question/23118276.

#SPJ9

4 0
1 year ago
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