3 years ago

I need help on this I'm not getting it

Mathematics

1 answer:

ANTONII [103]3 years ago

3 0

In 5x+4y=-30, and 3x-9y=-18 both x and y have to be
x=-6
y=0

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Find the value of z ANSWER IS NOT 12. NO LINKS OR SPAMS! THANK YOU!!!!!!

alexgriva [62]

Answer:

12√3

Step-by-step explanation:

sin 30 =1/2

sin30=a/24. sin=opposit side/Hypotenuse

a is the opposite side of 30

1/2=a/24

a=12

now take pythagoras theroem

24^2=z^2+12^2

576=z^2+144

z^2=576-144

z^2=432

z=√432

z=√144*3

z=12√3

4 0

3 years ago

Find the values of x and y to make the equation true.<br> -2x + 61 = (-24y)i - 14

gregori [183]

X= 75/2
Y=0
That is the answer to your question I used Photomath to help me

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3 years ago

Be sure to show your work and solve for f: 12 = f - 13-2

ki77a [65]

Answer:

Step-by-step explanation:

$12 = f - 13-2$

Collect like terms and simplify

$12+13+2 = f\\27 =f$

Switch sides

$f = 27$

5 0

3 years ago

Read 2 more answers

Find 156% of the number 145?

nikklg [1K]

Answer:

226.2

Im pretty sure.

6 0

3 years ago

Find the value of x. x, 50, and 70

Rama09 [41]

X = 60°

To work this out, you would do 50°+70° to get 120°. You would then subtract this from 180° (the total for any triangle) to get the final answer of 60°.

5 0

3 years ago