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Zina [86]
3 years ago
15

Chandra has four bowls. Each one is a different color (red, blue, yellow, green). She also has exactly one glass the same color

as each bowl. If she chooses a bowl and a glass from the cupboard, how many pairings are possible? One such pairing is a blue bowl and a yellow glass.
Mathematics
1 answer:
Digiron [165]3 years ago
8 0

Answer:  16

Step-by-step explanation:

The possible pairings are:

For each bowl you have 4 events  and you have 4 bowls

So the total number of possible pairs is 16

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If the endpoints of the diameter of a circle are (9, 4) and (5, 2), what is the standard form equation of the circle?
sattari [20]
The standard forrm equation of the circle is (x-h)² + (y-k)² = r²
where h,k : x,y-coordinate of the center
           r : radius of the circle
Get the center of the circle : h = (x1 + x2)/2 = (9+5)/2 = 7
                                             k = (y1 + y2)/2 = (4+2)/2 = 3
=> the center is (7,3)
Because the given information gave 2 endpoints so we can choose one of these, then use the distance formula to get the radius
                                            r = √(x1 - h)² + (y1 - k)²
                                            r = √(9 - 7)² + (4 - 3)²
                                            r = √2² + 1² 
                                            r = √5
Finally, the equation of the circle is (x - 7)² + (y - 3)² = (√5)²
                                                        (x - 7)² + (y - 3)² = 5
4 0
3 years ago
In how many ways can 4 boys and 4 girls be arranged in a row such that no two boys and no two girls are next to each other?(A) 1
nirvana33 [79]

Answer:

1152

Step-by-step explanation:

4 boys and 4 girls be arranged in a row such that no two boys and no two girls are next to each other.

Two boys and two girls are not next to each other. so one boy and one girl are next to each other in two ways.

BGBGBGBG, GBGBGBGB

4 boys are arranged in 4! ways and 4 girls are arranged in 4! ways

So number of ways = 2 \cdot 4! \cdot 4!=2 \cdot 24 \cdot 24=1152

4 0
3 years ago
Is it possible for any angle A, sinA=7/5Explain.​
Sedaia [141]

Answer:

No

Step-by-step explanation:

note \frac{7}{5} = 1.4

and  sinA is defined for - 1 ≤ sinA ≤ 1

Thus sinA ≠ \frac{7}{5}

4 0
3 years ago
Select the correct answer from the drop-down menu.
saul85 [17]

For this case we have the following factorized expression:

(2y-9) (2y-9)

Applying distributive property we have:

(2y) (2y) - (2y) (9) - (9) (2y) + (9) (9) =\\4y ^ 2-18y-18y + 81 =

We add similar terms taking into account that: Equal signs are added and the same sign is placed.

4y ^ 2-36y + 81

ANswer:

4y ^ 2-36y + 81

3 0
3 years ago
I NEED HELP ASAPPPP<br> In square YOLA , RL=5x+28 and RO=8x-11 find the measure of line segment RY
tresset_1 [31]

Answer:

RL=5x+28 and

RO=8X-11

diagonal of square bisect equally the side

:.5x+28=8x-11

11+28=8x-5x

39=3x

x=39/3=13

RY=RL=5x+28=5×13+28=93If the answer is 93, move to S

4 0
3 years ago
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