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MrRa [10]
3 years ago
11

If you wanted to create a sidewalk from your front door to the street, how much cement would you need if your sidewalk were goin

g to be the following dimensions

Mathematics
1 answer:
jek_recluse [69]3 years ago
6 0

It’s simple you just multiply all three numbers 20*3*4=240

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One angle of an isosceles triangle measures 50°. Which other angles could be in that isosceles triangle? Choose all that apply
Kisachek [45]

Answer:

Step-by-step explanation:

4 0
2 years ago
9/24 Yall already know im stuck again will mark brainlyest
svp [43]

Answer:

Step-by-step explanation:

1. -35, 2

2. -72, -6

3. -16, 0

4. 40, 13

5. -15, 2

6. -30, 7

7. 30, 11

8. 42, -13

9. -3, -24

10. -4, 20

11. 7, 1

12. 4, -24

13. -7, -70

14. 4, 9

15. 7, -3

16. 9, 3

17. -10, 11

18. 6, -5

19. 11, 6

20. 1, -9

21. -9, 4

22. -8, 7

23. 6, 4

24. -7, -5

25. 11, 4

26. 10, 3

27. -8, 5

28. -9, 0

7 0
3 years ago
Square root of 9/100
timama [110]
\sqrt{ \frac{9}{100} }
=\frac{3}{10}
5 0
3 years ago
If x and y in the equations
Brums [2.3K]
We can let
   a = 1/(x-1)
   b = 1/(y+2)
and rewrite the equations as
   2a - b = 10
   a + 3b = -9
Using the first to write an expression for b, we get
   b = 2a - 10
Substituting this into the second equation gives
   a + 3(2a -10) = -9
   7a -30 = -9 . . . . . . . . simplify
   7a = 21 . . . . . . . . . . .add 30
   a = 3
   b = 2·3 - 10 = -4

Now, we can find x and y.
    3 = 1/(x -1)
    x - 1 = 1/3
    x = 1 1/3 = 4/3

    -4 = 1/(y +2)
    y +2 = -1/4
    y = -2 1/4 = -9/4

Then the desired sum is
    x + y = 4/3 -9/4 = (16 -27)/12
    x + y = -11/12

The appropriate choice is ..
   c. -11/12
5 0
3 years ago
I need to equation for the radius of a 400m running track I know the answer is 36.5 and I know the formula is =2<img src="https:
miskamm [114]
This formula only applies if the track is circular.  If it is, then we write the equation:

2*r*pi=400

Dividing by 2pi, we see that:

r=200/pi

This is approximately 63.66.
6 0
3 years ago
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