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lukranit [14]
2 years ago
12

Please answer correctly !!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!

Mathematics
1 answer:
notsponge [240]2 years ago
4 0

Answer:

BD = 63

Step-by-step explanation:

\frac{2}{12}  =  \frac{9}{CD} \\   \\ CD=  \frac{12 \times 9}{2}  \\  \\ CD = 6 \times 9 \\  \\ CD = 54 \\  \\

BD = BC + CD = 9 + 54

BD = 63

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Delicious77 [7]

Answer:

x = 51^o

Step-by-step explanation:

Given

Intersecting lines

Required

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To do this, we make use of:

x + 23^o + 2x + 4^o = 180^o --- angle on a straight line

Collect like terms

x  + 2x = 180^o - 4^o - 23^o

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Step-by-step explanation:

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Nookie1986 [14]
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3 years ago
A spinner has 10 equal sections marked 1 through 10. You spin and land on a number
kumpel [21]

Answer:

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Read 2 more answers
a teacher asked 3 pupils to choose any 2 digit number square it and then find the remainder after dividing the result by 7. Dori
gizmo_the_mogwai [7]
First write out all the two digit square numbers

4² = 16
5² = 25
6² = 36
7² = 49
8² = 64
9² = 81

Next divide all of them by 7

16/7 = 2 2/7 or 2 and 2 remainders
25/7 = 3 4/7 or 3 and 4 remainders
36/7 = 5 1/7 or 5 and 1 remainder 
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81/7 = 11 4/7 or 11 and 4 remainders

This tells us that the only possible remainders for a two digit square number divided by 7 are 1, 2 and 4
If Doris got 6 and Horace got 3, they must have made a mistake.
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2 years ago
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