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3 years ago

D0,K= (6, 12) (3,6) The scale factor is

Mathematics

1 answer:

dimulka [17.4K]3 years ago

8 0

Answer:

The Scale Factor of the given coordinates is 1/2

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In the right triangle shown, m∠K =60, and KL=2 How long is JL?

bagirrra123 [75]

The answer; 90-2 = 88

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3 years ago

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7x+2y=4 y=x+1 Solve the system of equations. (1/3,4/3) (2/9,11,9) no solution

Lunna [17]

Answer: SECOND OPTION

Step-by-step explanation:

You can solve the system of equations by the method of substitution:

- You must susbtitute the second equation into the first equation and solve or x:

$7x+2(x+1)=4\\7x+2x+2=4\\9x=4-2\\9x=2\\x=\frac{2}{9}$

- Now, you must susbtitute the value of x obtained above into the second equation to calculate the value of y. Then, you have:

$y=\frac{2}{9}+1\\\\y=\frac{2+9}{9}\\\\y=\frac{11}{9}$

Therefore, you obtain:

( $\frac{2}{9},\frac{11}{9}$ )

4 0

3 years ago

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Please help with this question

natita [175]

Answer:

$12\sin{(2\theta)}\cos{(\theta)}$

Step-by-step explanation:

The appropriate trig identity is ...

$\sin{a}+\sin{b}=2\sin{\left(\dfrac{a+b}{2}\right)}\cos{\left(\dfrac{a-b}{2}\right)}$

Here, you have a scale factor of 6 and a=3θ, b=θ. Filling in these values gives ...

$6\sin{3\theta}+6\sin{\theta}=12\sin{\left(\dfrac{3\theta+\theta}{2}\right)}\cos{\left(\dfrac{3\theta-\theta}{2}\right)}\\\\=12\sin{(2\theta)}\cos{(\theta)}$

8 0

3 years ago

X + Y is equal to 5 x minus Y is equal to 4 find the value of find the value of x square minus y square

Grace [21]

Answer: 20

Step-by-step explanation:

x+y=5

x-y=4

---------

x+y=5

x=4+y

--------

(4+y)+y=5

4+y+y=5

4+2y=5

2y=1

y=0.5

x=4.5

---------

x²-y²=(4.5)²-(0.5)²=20.25-0.25=20

7 0

3 years ago

Please help ASAP!!!!!!!

AveGali [126]

Answer: 63.3

Step-by-step explanation:

9.5v + 8.7w

v = 3

w = 4

9.5(3) + 8.7(4)

28.5 + 34.8

63.3

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3 years ago

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