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BaLLatris [955]
3 years ago
6

In a bowl, there are gum balls. There are 5 red, 7 blue, 3 yellow and 11 purple.

Mathematics
1 answer:
ipn [44]3 years ago
6 0

Answer:

10 is A

11 is D

12 is C

and 13 is B

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Is a triangle whose side measure 12 ft, 16 ft and 20 ft a right triangle?
tensa zangetsu [6.8K]

Answer:

This is a Right Triangle

Step-by-step explanation:

12=a 16=b 20=c

Now lets solve

a^2+b^2=c^2

144+b^2=c^2

144+256=c^2

144+256=400

c^2=400

The square root of 400 is 20..

This IS a Right Triangle

7 0
3 years ago
You answered 85% of the questions on the quiz correctly. What fraction of the questions did you answer correctly?
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A percentage is out of 100.

85/100

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Consider the figure below. Abraham cut regular pentagon ABCDE into quadrilateral BEGC. Which of the following statements is true
Genrish500 [490]

Let 'n' be the number of side of a regular polygon each angle are equal and sum of  each angle equal to (n-2)×180. \\∴For a regular pentagon have five equal side, n=5\\ ∴ sum of each angle = (n-2)×180=3×180 = 540. and ecah angle = 540÷5=108°. Therefore ∠BCG = 108° and ∠ABC =108° \\ Here BE is one of the diagonal of regular pentagon ABCDE. BE divide ∠ABC in 1:2 ratio \\ Therefore ∠ABE : ∠CBE = 36: 72\\∴ ∠GCB + ∠CBE = 108° +72°=180°

5 0
3 years ago
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What substitution should be used to rewrite 6(x + 5)2 + 5(x + 5) – 4 = 0 as a quadratic equation?
Reika [66]

Answer:

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Step-by-step explanation:

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Which of the lines graphed has a slope of -1/2 and a y-intercept of 3?
VARVARA [1.3K]

Answer:

The answer is image 3.

Step-by-step explanation:

The equation for the line will be y = (-1/2)x + 3 so the gradient is negative and you will have to find the x-intercept and y-intercept.

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y-intercept :

let \: x = 0

y =  -  \frac{1}{2} (0) + 3

y = 3

8 0
3 years ago
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