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MakcuM [25]
2 years ago
15

Solve the right triangle. round your answers to the nearest tenth. help.

Mathematics
1 answer:
hammer [34]2 years ago
8 0

Answer:

19.2

Step-by-step explanation:

Cosine rule :

\sqrt{a^{2} +b^{2} ﹣2abcos(angle ) }

c will always be the hypotenuse.

a and b can be any if the opposite or the adjacent.

{15}^{2}  + 12^{2}  - 2 \times 15 \times 12 \times  \cos(90)  = 369

\sqrt{369}=19.20937...

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Select the correct answer. Shape 1 and shape 2 are plotted on a coordinate plane. Which statement about the shapes is true? A. S
IceJOKER [234]

Answer:

Since I cant say which answer due to no graph, I'll tell you How to do so.

Step-by-step explanation:

if it is A, then the there is at least one angle or line length that is not the same. To find the area of a grided shape, use the traingle theorm of a^2+b^2=c^2.

if it is B, that meants moving the shape to the other will result in a perfect fit. Be sure to find if all side lengths are the same as that means that the shape IS congrouent, as equal side length means equal angles. However, it will not be this choice if the shape is mirrored to the other

A rotation and tranlastion means it is flipped either upside down or up and moved to the shape.

D, a reflection, which means its the opposite. Like a mirrored shape. Then you move it.

6 0
3 years ago
Simone paid $12 for an initial years subscription to a magizine. The renewal rate is $8 per year. This situation can be represen
Y_Kistochka [10]
This is easy. Select different values for x to find y values.

For example, let x = 0.

y = 8x + 12

y = 8(0) + 12

y = 0 + 12

y = 12

On your table, you have x = 0 and y = 12.

Do the same using other values of x.
5 0
3 years ago
Will 5x-3y>15 have a solid line
marysya [2.9K]

Answer:

The inequality 5x-3y >15 have a dashed line

Step-by-step explanation:

we have

5x-3y >15

The solution of this inequality is the shaded area below the dashed line

The equation of the dashed line is 5x-3y=15

The slope of the dashed line is positive

The y-intercept of the dashed line is -5 ---> point (0,-5)

The x-intercept of the dashed line is x=3 ----> point (3,0)

Graph the solution

see the attached figure

6 0
3 years ago
Can I have some help with this, I need to figure out the answer and the reasoning for it.​
dangina [55]

Answer:

B.

Step-by-step explanation:

In statement (1), we are given that m∠BAC=m∠BCA

If the two angles are congruent, this means that the sides opposite the angles are also congruent. These sides are AB and BC. Therefore:

AB=BC    |    B. sides opposite equal angles are equal

:Done

*The side opposite a given angle is the side towards which the angle opens up to. For example, ∠BAC opens up towards the side BC, and ∠BCA opens up towards side BA.

8 0
3 years ago
Solve each system by substitution 2x + y = 20 and 6x - 5y = 12
ivolga24 [154]

\huge\mathbf{Answer࿐}

\underline{ \underline{ \bf{step} - 1}}

Taking first equation,

  • 2x + y = 20

  • y = 20 - 2x

\underline{ \underline{ \bf{step} - 2}}

plugging the value of y in second equation,

  • 6x - 5y = 12

  • 6x - 5(20 - 2x) = 12

  • 6x - 100 + 10x = 12

  • 16x = 12 + 100

  • x =  \dfrac{112}{16}

  • x = 7

\underline{ \underline{ \bf{step} -3}}

plugging the value of x in first equation,

  • 2x + y = 20

  • (2 \times 7) + y = 20

  • 14 + y = 20

  • y = 20 - 14

  • y = 6

<h2>Conclusion :</h2>

  • x = 7
  • y = 6

____________________________

\mathrm{ \#TeeNForeveR}

6 0
2 years ago
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