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olya-2409 [2.1K]

2 years ago

13

A box contains 3 green counters, 5 red counters and 6 yellow counters. A counter is selected at random. Find the probability tha

t the selected counter is yellow.

1 answer:

Elina [12.6K]2 years ago

6 0

Answer:

6/14

Step-by-step explanation:

In total there are 14 counters. And 6 of them are yellow so the probability is 6/14 (it can also be 3/7 when simplified)

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Each exterior angle in a regular polygon has a measure of 24 degrees. How many sides does the polygon have? Please you can help

lara31 [8.8K]

Answer:

15

Step-by-step explanation:

The sum of the exterior angles of a polygon = 360°

Given the measure of each = 24°, then

number of sides = 360° ÷ 24° = 15

4 0

2 years ago

A home has a triangular backyard. The second angle of the triangle is 4degrees more than the first angle. The third angle is 8de

amid [387]

Answer:

1st angle = X

2nd angle = X + 7

3rd angle = X + 18

Then (sum. them): 3X + 25 = 180 ==> X = 51.67 degree

Therefore,

1st angle = 51.67 degree

2nd angle = 58.67 degree

3rd angle = 69.67 degree

5 0

3 years ago

Read 2 more answers

4x-11y=68 ; 6x+5y=-27 by elimination

zimovet [89]

Answer:

$x=\frac{1}{2}\\\\y=-6$

Step-by-step explanation:

Given the following system of equations:

$\left \{ {{4x-11y=68} \atop {6x+5y=-27}} \right.$

In order to solve the system of equations using the Elimination Method, you can follow these steps:

- Multiply the first equation by -6 and the secondd equation by 4.

- Add both equations.

- Solve for "y".

Then:

$\left \{ {{-24x+66y=-408} \atop {24x+20y=-108}} \right\\.........................\\86y=300\\\\y=\frac{-516}{86}\\\\y=-6$

- Substitute the value of "y" into one of the original equations and solve for "x":

$6x+5(-6)=-27\\\\6x=-27+30\\\\x=\frac{3}{6}\\\\x=\frac{1}{2}$

4 0

2 years ago

Martin is painting the shed shown. The shed is shaped like a cube. He wants to paint the outside walls of the shed using paint t

laila [671]

Answer:

13

Step-by-step explanation:

7 0

2 years ago

If 2+2 is 4, then what Is 2+2 squared?

12345 [234]

Answer:

16

Step-by-step explanation:

2+2=4

4 squared=16

4 0

2 years ago

Read 2 more answers