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kari74 [83]
3 years ago
8

Can u help me simplify -5(a-9)

Mathematics
2 answers:
Oduvanchick [21]3 years ago
7 0

Answer:

the simplified version of -5(a-9) would be -5a+45.

Step-by-step explanation:

What you have to use is the distributive property. You first take -5 and multiply it by each of the numbers inside. So, you do -5*a which is -5a and then you do -5*(-9) which is +45. You finally put everything together and you get -5a+45.

coldgirl [10]3 years ago
6 0

Answer:

− 5 a + 45

Step-by-step explanation:

can i have brainliest?

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The moon has a diameter of approximately 2,200 miles. If the circumference of a circle can be found using the formula C = πd, wh
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Answer:6908 (miles) ^2

Step-by-step explanation:

diameter=2200 miles

π=3.14

Circumference=π x diameter

Circumference=3.14 x 2200

Circumference=6908 (miles)^2

4 0
3 years ago
If the point A at (5, 3) is rotated clockwise about the origin through 90°, what
Lerok [7]

Answer:

(5,-3) in the 4th quadrant

Step-by-step explanation:

8 0
3 years ago
THANK YOU , PLEASE INCLUDE EXPLANATION
frosja888 [35]

Remark

This will be a little late, but I'll answer it anyway. The more you see of the sine law, the clearer it will be.


Step One

Set up the sine Law.

\dfrac{Sin(x)}{12}=\dfrac{sin(75)}{22}


Step Two

Substitute values

Sin(x) = ??

sin(75) = 0.9659


\dfrac{Sin(x)}{12}=\dfrac{0.9659}{22}


Step Three

Cross multiply and Solve

22* Sin(x) = 12 * 0.9659

22* Sin(x) = 11.591 divide by 22

sin(x) = 11.591 / 22

sin(x) = 0.5269


Step Four

You have to know how to use the inverse of an angle to get the answer. I do it as my calculator would do it. If it doesn't work with yours, let me know.


x = sin^-1(0.5269)

2nd F

Sin^-1

(

0.5269

)

=

You should get 31.79 degrees.

5 0
3 years ago
Use the elimination to solve this equation. <br><br> 2x+3y=55 <br> 9x+4y=105
seropon [69]
X=5 y=15 (5,15). 
This is how you do it:
-4(2x+3y=55): -8x-12y=-220
3(9x+4y=105):27x+12y=315

You add the two new equations together, canceling out the y values, and get the x value. Then, you go back and plug in the x value in the original equation to get the y value.

6 0
3 years ago
A man buys a jacket birr 300 before VAT what is the VAT and the total cost?​
Novosadov [1.4K]
  • Base price=300
  • Let VAT be x%

Now

  • Total VAT=0.x(300)

Total cost:-

  • 300+300(0.x)
7 0
2 years ago
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