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Lapatulllka [165]
3 years ago
9

according to the table what is the probability that the grade of a student chosen at random will be a B or higher 4/5 2/5 1/5 3/

5
Mathematics
1 answer:
TEA [102]3 years ago
3 0
50%, add up the percentages 80%, 40%, 20%, 60%=200. divide that by the numer of grades =4. 200/4=50 
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grandymaker [24]

Answer:

SAS theorem

Step-by-step explanation:

Given

\square ABCD

\[ \lvert \[ \lvert AB =\[ \lvert \[ \lvert CD

\angle BAC = \angle  DCA

Required

Which theorem shows △ABE ≅ △CDE.

From the question, we understand that:

AC and BD intersects at E.

This implies that:

\[ \lvert \[ \lvert AE = \[ \lvert \[ \lvert EC

and

\[ \lvert \[ \lvert BE = \[ \lvert \[ \lvert ED

So, the congruent sides and angles of △ABE and △CDE are:

\[ \lvert \[ \lvert AB =\[ \lvert \[ \lvert CD ---- S

\angle BAC = \angle  DCA ---- A

\[ \lvert \[ \lvert BE = \[ \lvert \[ \lvert ED or \[ \lvert \[ \lvert AE = \[ \lvert \[ \lvert EC  --- S

<em>Hence, the theorem that compares both triangles is the SAS theorem</em>

4 0
2 years ago
x + 3y = 7 x - 3y = 1 Solve the system of equations. A) x = 4, y = 1 B) x = 1, y = 4 C) x = - 2 3 , y = 3 D) x = 3, y = - 2 3
Alik [6]
X+3y=7
x-3y=1
add them together

x+3y=7
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x+3y=7
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subtract 4
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<u />
6 0
3 years ago
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ratelena [41]

Answer:

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Step-by-step explanation:

7 0
2 years ago
The sum of two numbers is 84. One number is 6 more than the other. What is the smaller of the two numbers?
Pachacha [2.7K]

Answer:

The answer is 36. Say 42 + 42 is 84. Since one of the number is 6 more than the other, add 6 the first 42 and subtract 6 from the other number which will be 48 + 36 = 84. So the smaller of the two is 36.

Step-by-step explanation:

7 0
2 years ago
PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!!
Citrus2011 [14]
It is 3x=4. If u need anymore help then that is cool
4 0
2 years ago
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