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Afina-wow [57]
3 years ago
7

What is the coordinetes for B

Mathematics
1 answer:
ira [324]3 years ago
5 0

Answer:

(-1,0)

Step-by-step explanation:

Point B is located one position to the left on the x-axis resulting in a negative x-value in the coordinate pair, and Point B is located 0 units up on the graph resulting in a y-value of 0. Therefore, (-1,0) are the coordinates.

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The captain of a boat knows that a lighthouse on the coast is 100 ft. tall. If he measures the angle of elevation to be 2 degree
faltersainse [42]

Answer and Step-by-step explanation:

           | \

           |   \

           |      \

           |         \

           |            \

100 ft.  |              \

           |         2     \

           |_________\

                    x

Use tangent to find the x.

tan(2) = \frac{100}{x}

x = \frac{100}{tan(2)}

Use a calculator to evaluate.

x = \frac{100}{tan(2)} = 2863.6253

So, the boat is 2,863.63 feet from the shore.

#teamtrees #WAP (Water And Plant)

6 0
3 years ago
How to multiply 7985 times 490 times 39 times 2094 plz the couculator wont help
asambeis [7]

Answer:319530474900

6 0
3 years ago
Read 2 more answers
Find the value of x in each pair of similar figures. Use proportions to solve.
Aleonysh [2.5K]

Answer:

x=15

Step-by-step explanation:

3/5=9/x

8 0
3 years ago
9. A 3D printer uses one spool of filament to produce 20 congruent solids. Suppose you want to produce similar solids that are 1
Evgesh-ka [11]

Answer:

15 figures

Step-by-step explanation:

To know with this, and knowing that each dimension is 10% longer, let's do a simple example assuming some random values.

Let's suppose that you have cylinder with a radius of 3 cm and height of 5 cm. The volume of this cylinder is:

V = π*(3)^2*5 = 45π cm^3

Now, if we raise the dimensions by 10%, the radius and height will be 3.3 and 5.5 respectively so, the new volume (V2) will be:

V2 = π*(3.3)^2*5.5 = 59.9π cm^3

So the ratio of both volumes is:

59.9π/45π = 1.331

This means that each new solid would have 1.331 times the volume of the original solid. Therefore, we can stablish a relation between the original figures and the new ones calling "x" the number of new figures so:

20 = 1.331x

solving for x:

x = 20/1.331

x = 15.03

You can round this to 15.

8 0
3 years ago
The temperature falls from -7°C to -20°C. What is the change in these temperatures?
mixer [17]

Answer:

13 degrees Celsius

Step-by-step explanation:

To solve this question, you need to subract -20 from - 7.-7-(-20)  is 13.

5 0
3 years ago
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