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Arte-miy333 [17]
3 years ago
14

Is b+b+b+c+c+c is a equivalent expression? A. True B. False

Mathematics
1 answer:
Rama09 [41]3 years ago
5 0

Answer:

A. True

Step-by-step explanation:

......................................................................................

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The temperature, in degrees fahrenheit (°
vova2212 [387]
The temperature decreased by 5 degrees per hour, as -25 / 5 is -5.
5 0
3 years ago
Write an indirect proof showing that the diagonals of a parallelogram intersect each other
____ [38]
Its an indirect proof, so 3 steps :-
1) you start with the opposite of wat u need to prove 
2) arrive at a contradiction
3) concludeReport · 29/6/2015261
since you wanto prove 'diagonals of a parallelogram bisect each other', you start wid the opposite of above statement, like below :- step1 : Since we want to prove 'diagonals of a parallelogram bisect each other', lets start by assuming the opposite, that the diagonals of parallelogram dont bisect each other.Report · 29/6/2015261


Since, we assumed that the diagonals dont bisect each other, 
OC≠OA 
OD≠OBReport · 29/6/2015261
Since, OC≠OA, △OAD is not congruent to △OCBReport · 29/6/2015261

∠AOD≅∠BOC as they are vertical angles, 
∠OAD≅∠OCB they are alternate interior angles 
AD≅BC, by definition of parallelogram 
so, by AAS, △OAD is congruent to △OCBReport · 29/6/2015261
But, thats a contradiction as we have previously established that those triangles are congruentReport · 29/6/2015261
step3 :
since we arrived at a contradiction, our assumption is wrong. so, the opposite of our assumption must be correct. so diagonals of parallelogram bisect each other.
4 0
3 years ago
Can someone please help me
gtnhenbr [62]

Answer:

1) B) 10

2) B) 9

Step-by-step explanation:

1) 10x+15=115

10x=100

x=10

2) 12x+17=125

12x=108

x=9

8 0
3 years ago
Rectangle QRST is dilated by a scale factor of 1/2. What is the perimeter of rectangle Q'R'S'T'. (Please help)
natima [27]

Answer:

7

Step-by-step explanation:

take the perimeter of what you have now (14) and divide it by 2, because it is dilated by 1/2

8 0
3 years ago
Please can someone answer this it is due tomorrow
kiruha [24]

Answer:

1. $112.72

3. $112.50

4. $16.50

5. $7.26

6. $60.44

7. $8

8. $3.25

Step-by-step explanation:

1. Multiply 14.09 by 8.

3. Multiply 12.50 by 9.

4. Multiply 5.50 by 3.

5. Add 16.50, 9.75, and 10. Subtract 28.99 from that total.

6. Add all numbers listed in the problem.

7. Divide 56 by 7.

8. Divide 71.50 by 22.

3 0
3 years ago
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