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xz_007 [3.2K]
3 years ago
7

PLEASE HELP! WILL GIVE BRAINLIEST!

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
5 0

Answer:

494

Step-by-step explanation:

Frist start with 5x12=60 5x11=55 and 12x11=132

than u need to add all of them also when you get  he answer then u need to mutiply 247x2=494

Hope that help u with your question

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Nitella [24]

Answer:

7. k^4

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Step-by-step explanation:


7 0
3 years ago
The length of XY the minor arc is 48 cm what is the circumference of Z
Amanda [17]
If found the image that accompanies this problem, the central angle was 60°. Since the circumference of a circle is always 360°, the minor arc represents 60°/360° of the circle.

48 cm / (60°/360°) = 48 cm / (1/6) = 48 cm * 6/1 = 48 cm * 6 =  288 cm

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4 0
3 years ago
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Andre45 [30]

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4 0
3 years ago
Find the measure of the missing angles. Both of them is wrong. (Picture included)
Ymorist [56]

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6 0
3 years ago
Hộp đựng 3 bi đỏ, 5 bi trắng và 7 bi xanh lấy ngẫu nhiên 2 bi. Tính xác suất? a, Có 1 bi đỏ trong 2 bi lấy ra b, Có ít nhất 1 bi
Vikentia [17]

Answer:

a) 3C1 * 12 C1 / 15 C2

b)  1 - 12C2 / 15C2

Step-by-step explanation:

Được

Viên bi đỏ = 3

Viên bi trắng = 5

Viên bi xanh = 7

Hai quả bóng được rút ra một cách ngẫu nhiên

a) Có 1 bi đỏ

3C1 * 12 C1 / 15 C2

b) Có ít nhất 1 viên bi đỏ trong số 2 viên lấy ra.

Số kết quả của việc chọn hai quả bóng trong số 15 quả bóng = 15 C2

Số kết quả của việc chọn 0 quả bóng đỏ = 15C12

Xác suất chọn được ít nhất 1 viên bi đỏ = 1 - 12C2 / 15C2

5 0
3 years ago
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