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Alona [7]
1 year ago
8

Pls help

Mathematics
1 answer:
NeTakaya1 year ago
4 0

Answer:

1. 6

2. 24

3.   2/9 × 90 = 20 sixth grade students

4. 2/9 ×  27 = 6 sixth grade students

5. 2/9 + 27, 2/9 - 27, 2/9 / 27, 2/9 27

6.  189 students

7. B

8. Jada needs 10 cups of sparkling water if she uses 15 cups of apple juice.

9. Jada needs 9 cups of apple juice if she uses 6 cups of sparkling water.

10. D

11. D

12. C

Step-by-step explanation:

Hope this helps you

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Two of the exterior angles of a triangle are $158^\circ$ and $99^\circ.$ Find the third exterior angle, in degrees.
Lisa [10]

Answer:

The third exterior angle is 103^o

Step-by-step explanation:

Given

\theta = 158^o

\alpha = 99^o

Required

The third exterior angle (\beta)

The exterior angles of a triangle add up to 360 degrees.

So:

\theta + \alpha + \beta = 360^o

Make \beta the subject

\beta = 360^o - (\theta + \alpha)

Substitute known values

\beta = 360^o - (158^o + 99^o)

\beta = 103^o

4 0
3 years ago
Find the perimeter of pentagon STUVW WITH VERTICES S(0,0) T(3,-2) U(2,-5) V(-2,-5) W(-3,-2)
andrew11 [14]
Use the distance formula.

\sqrt{( x_{2} - x_{1} )^2 + (y_{2} - y_{1})^2}

 
Points S and W.
\sqrt{(3)^2 + (2)^2}

\sqrt{9+4}

\sqrt{13}

~3.6

Points S and T
\sqrt{(3 - 0)^2 + (-2 - 0)^2}

\sqrt{(3)^2 + (-2)^2}

\sqrt{9+4}

\sqrt{13}

~3.6

Points T and U
\sqrt{(3 - 2)^2 + (-2 + 5)^2}

\sqrt{(1)^2 + (3)^2}

\sqrt{1+9}

\sqrt{10}

~3.1

Points U and V
\sqrt{(2+2)^2 + (-5 + 5)^2}

\sqrt{(4)^2 + (0)^2}

\sqrt{16}

~4

Points V and W
\sqrt{(-2+3)^2 + (-5 + 2)^2}

\sqrt{(1)^2 + (-3)^2}

\sqrt{2+9}

\sqrt{11}

~3.3

Add all these together.

3.3 + 3.1 + 4 + 3.1 + 3.6
≈17
4 0
3 years ago
(5x+6xy-4)-(-6x+7xy+2)
Maslowich

Answer: 11x - xy - 6

Step-by-step explanation:

(5x+6xy-4)-(-6x+7xy+2)

5x + 6xy - 4 + 6x - 7xy -2

11x - xy - 6

3 0
3 years ago
You are baking cookies. The recipe calls for 3/4 cup of flour. You want to make 1/2 of a batch. How much flour do you need?
MissTica
3/4<span> / 2</span> 
= 6/8 / 2
= 3/8

You need 3/8 cups of flour
6 0
3 years ago
50 points)
Whitepunk [10]

Answer:

NO, This Is A School Website ONLY Please Do NOT Post Such Things Here You Will Be Reported, And Your Answer Will Be Removed If This Continues Then Your Account Will Be Deleted.

7 0
2 years ago
Read 2 more answers
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