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oksian1 [2.3K]
3 years ago
15

Polygon ABCD is a przimage of an enlargement with a scale factor of 3 and a

Mathematics
1 answer:
Flura [38]3 years ago
4 0

i dont think you have a whole question down and we need examples of the triangles so please shw examples

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1.3n-0.03=-9 (solve for n) grade lvl. 7
bazaltina [42]

Hello from MrBillDoesMath!

Answer:

-6.9


Discussion:  

1.3n - 0.03 = -9     =>              multiply both sides by 100

130n - 3 = -900 =>

130n = -900 +3 =  -897 =>     add 3 to both sides

n = -897/130  =>

n =  - (69 * 13)/ (10*13) =>

n = - 69/10 = - 6.9




Thank you,

MrB

4 0
3 years ago
Select all sets of lengths that would form a right triangle.
VARVARA [1.3K]

Answer:

theres no picture ill still answer if you put a picture or somthing of the triangle

Step-by-step explanation:

3 0
3 years ago
Solve the right triangle ABC with right angle C, if B=30 degrees, and C = 10
iren2701 [21]

Answer:

The answer to your question is letter D

Step-by-step explanation:

We know that the sum of the internal angles in a triangle equals 180°.

So, B = 30°, C = 90° and A = ?

                      A + B + C = 180°

Substitution

                      A + 30 + 90 = 180

Solve for A

                     A = 180 - 30 - 90

                     A = 180 - 120

                    A = 60°

To find "b". use the trigonometric function sine

sin B = \frac{opposite side}{hypotenuse}

sin B x hypotenuse = Opposite side

Opposite side = sin 30 x 10

Opposite side = 0.5 x 10

Opposite side = b = 5.0                          

To find "a" use the trigonometric function cosine

Cos A = adjacent side / hypotenuse

Adjacent side = a = cos A x hypotenuse

Adjacent side = a = cos 60 x 10

                          a = 0.866 x 10

                         a = 8.66                      

8 0
3 years ago
Plssss help I’ll mark u brainliest!!!
Nutka1998 [239]

Answer:

The answer to the question is C

4 0
3 years ago
Find the diameter of the sphere with the volume of 36 pi cubic units
kobusy [5.1K]

Answer:

{ \tt{volume =  \frac{4}{3} \pi {r}^{3} }} \\ 36\pi =  \frac{4}{3} \pi \times  {(2d)}^{3}  \\  \frac{36 \times 3}{4}  = 8 {d}^{3}  \\ 27 = 8 {d}^{3}  \\  {d}^{3}  =  \frac{27}{8}  \\ diameter = 1.5 \: units

4 0
3 years ago
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