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galina1969 [7]
3 years ago
14

A tank has a length of 2 feet and a width of 1 foot and us filled to the water depth of 8 inches a stone is places Into the wate

r causing the water level to rise by 2 inches. What is the volume of the stone?
Mathematics
1 answer:
Elina [12.6K]3 years ago
6 0

Answer:

Step-by-step explanation: Volume = length x width x height. You only need to know one side to figure out the volume of a cube. The units of measure for volume are cubic units. Volume is in three-dimensions. You can multiply the sides in any order. Which side you call length, width, or height doesn't matter.

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In triangle abc, cos A= -0.6. Find A and Tan A
Tresset [83]

Answer:

Part 1) A=126.87^o

Part 2) tan(A)=-\frac{4}{3}

Step-by-step explanation:

we have

cos(A)=-0.6

The cos(A) is negative, that means that the angle A in the triangle ABC is an obtuse angle and the value of the sin(A) is positive

The angle A lie on the II Quadrant

step 1

Find the measure of angle A

cos(A)=-0.6

using a calculator

A=cos^{-1}(-0.6)=126.87^o

step 2

Find the sin(A)

we know that

sin^2(A)+cos^2(A)=1

substitute the value of cos(A)

sin^2(A)+(-0.6)^2=1

sin^2(A)=1-0.36

sin^2(A)=0.64

sin(A)=0.8

step 3

Find tan(A)

we know that

tan(A)=\frac{sin(A)}{cos(A)}

substitute the values

tan(A)=\frac{0.8}{-0.6}

Simplify

tan(A)=-\frac{4}{3}

5 0
3 years ago
PLEASE ANSWER QUICKLY
jenyasd209 [6]

Answer:

It should be D because I have done that a couple days ago

6 0
3 years ago
Can yall help..me out a lil
marusya05 [52]

Answer:

53 in^2

Step-by-step explanation:

Divide the arrow into two shapes, a triangle and a rectangle. Now find the area for both of them.

Rectangle: l*w

4*8=32 in^2

Triangle: 1/2bh

1/2(6)(11-4)

3*7

21 in^2

Combine them: 21+32=53

7 0
3 years ago
What is the product of 40 and 8
shusha [124]
The product of 40 and 8 is 320. (40 * 8 = 320)
8 0
3 years ago
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Identify the correct algebraic expression for the following scenario:
7nadin3 [17]
H x 5=h5
h5/8
I think it’s this it also may be
(h x 5)/8
6 0
3 years ago
Read 2 more answers
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