PLSSSS HELP MARKING BRAINLIST question below

PLSSSS HELP MARKING BRAINLIST Question Below

Answers

Answer 1

Hey There!!

Simplify the following:

2 (-20)+3 (5/4 (-20))+5×2/5×50+4×50

5/4 (-20) = (5 (-20))/4:

2 (-20)+3×(5 (-20))/4+5×2/5×50+4×50

2/5×50 = (2×50)/5:

2 (-20)+3×(5 (-20))/4+5×(2×50)/5+4×50

3×(5 (-20))/4 = (5 (-20) 3)/4:

2 (-20)+(5 (-20) 3)/4+5×(2×50)/5+4×50

5×(2×50)/5 = (2×50×5)/5:

2 (-20)+(5 (-20) 3)/4+(2×50×5)/5+4×50

(-20)/4 = (4 (-5))/4 = -5:

2 (-20)+5×-5×3+(2×50×5)/5+4×50

(2×50×5)/5 = 5/5×2×50 = 2×50:

2 (-20)+5 (-5) 3+2×50+4×50

2 (-20)  =  -40:

-40+5 (-5) 3+2×50+4×50

5 (-5)  =  -25:

-40+-25×3+2×50+4×50

-25×3  =  -75:

-40+-75+2×50+4×50

2×50  =  100:

-40-75+100+4×50

4×50  =  200:

-40-75+100+200

-40-75+100+200 = (100+200)-(40+75):

(100+200)-(40+75)

300-(40+75)

300-115

Answer: |  185

Hope It Helps!

[tex]ItsNobody^{[/tex][tex]ItsNobody[/tex]

Answer 2
I did the math its 185 lol

Related Questions

12. A cyclist travels 40 km at a speed of x km/h. Find the time
taken in terms of x. Find the time taken when his speed is
reduced by 2 km/h. If the difference between the times is
1 hour, find the original speed x.

Answers

Answer:

Step-by-step explanation:

distance = rate times time, so

           

           distance

time = --------------

               rate

Here the distance is 40 km and the rate is x.  Then

              40 km

time = --------------  =  (40/x) hr

             x km/hr

If the speed is reduced by 2 km/hr, we get:

              40 km                                            40 km                  40

time = -------------------------------  or time = ----------------------- = --------- hr

             (x km/hr - 2 km/hr)                      (x - 2) (km/hr)       x - 2

The difference between the times is:

 40          40

-------- - --------- = 1 hr          Solve this for the original speed, x

x - 2         x

40x - 40x + 80                                80

-----------------------  =  1 hr     or     ------------ = 1     or 80 = x^2 - 2x

     x(x - 2)                                     x(x - 2)

Rewriting this in standard quadratic form:  x^2 - 2x - 80 = 0

Here a = 1, b = -2 and c = -80, and so the discriminant b^2 - 4ac is:

(-2)^2 - 4(1)(-80) = 324

The solutions are:

   

      -(-2) ± √324       2 ± 18

x = -------------------- = ------------ = 1 ± 9, or 10 (discard the other root)

              2                      2

The original speed was 10 km/hr

the answer is 10 km/hr.

What is the Value of -5+2/3 A) 17/3 B) -13/3 C) 13/3 D) -17/3

Answers

-5+2/3
= -5x 3
=-15+2/3
final answer =-13/3 > B
Question -5+2/3
= -5*3
=13/3 so B is the answer

Please anyone help me The measure of an angle is five times the measure of its supplementary angle. What is the measure of each angle?

Answers

Answer:

150 and 30

Step-by-step explanation:

Hello!

Supplementary angles are angles that when added up equal 180

Which can be shown by

x + x = 180

Since one has to be 5 times bigger we put a 5 in front of one of the x's

5x + x = 180

5x is an angle and x is the other

Now we solve for x

5x + x = 180

Combine like terms

6x = 180

Divide by 6

x = 30

Now we put that into each angle

5(30) = 150

30

The answer is 150 and 30

Hope this Helps!

Hello!

Answer:

Each angle; the answer is 30 & 150

Step-by-step explanation:

So let say that the supplement is ‘X’.... You want to find the angle of 5x

Therefore, 6x=180 (X=30)

Since we found out one angle out which is 30.

Now you find 5x.

5x30 and you will get 150.

So the angles of each is “30” and “150”.

Hope this helps!

By, Cherry

is -7.5 a rational number

Answers

Answer:

Yes

Step-by-step explanation:

-7.5 is a rational number because it can be made by dividing two integers(-75/10)

yes, a rational number is expressed as a ratio of two integers.
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