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serg [7]
4 years ago
8

Subtract – 9x – 7 from 8x2 – 5x + 9.

Mathematics
2 answers:
VashaNatasha [74]4 years ago
8 0

Answer: 8x^2+4x+16

Step-by-step explanation:

8x^2 – 5x + 9 - (– 9x – 7 )

8x^​2−5x+9+9x+7

8x^2+(−5x+9x)+(9+7)

8x^2+4x+16

kozerog [31]4 years ago
6 0

Answer: 8x^2 -14x + 2

Explanation:

(8x^2) + (-5x + -9x) + (9 + -7)

8x^2 + -14x + 2

<u><em>8x^2 -14x + 2</em></u>

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Proper
vlabodo [156]

Answer:

  QR(3), RS(3), PQ(3), ST(11), RP(6), RT(14), SP(9), QT(17)

Step-by-step explanation:

The diagram is not shown, but we assume the points are in the sequence ...

  P, Q, R, S, T

Since QR = RS, R is apparently the midpoint of QS, So ...

23. QR = 6/2 = 3

24. RS = QR = 3

25. PQ = QR = 3

26. ST = PT -PQ -QS = 20 -3 -6 = 11

27. RP = PQ +QR = 3 +3 = 6

28. RT = RS +ST = 3 +11 = 14

29. SP = PQ +QS = 3 +6 = 9

30. QT = QS +ST = 6 +11 = 17

6 0
4 years ago
What number is 30 percent of 200
marta [7]

Answer:

x = 60

Step-by-step explanation:

<u>Step 1:  Make an expression</u>

What number is 30 percent of 200

200 * 0.3 = x

<u>Step 2:  Multiply</u>

<u />200 * 0.3 = x

60 = x

Answer:  x = 60

6 0
3 years ago
Read 2 more answers
What is the value of the numerical expression 5/8 - 5/12( 3 - 1/4 ) + 2/3?
victus00 [196]
0.14583333333 is the answer, in fraction form it is = <span>14583333333/100000000000</span>
5 0
3 years ago
Help on this plzzzzzzzzz
Vera_Pavlovna [14]
The plane is 2 dimensional because it has height and width, which is a total of 2 dimensions.

The third choice is your answer since it is the only choice that has the proper dimension along with the proper explanation.

Have an awesome day! :)
5 0
4 years ago
X^2=7 write your answer as a radical expression
Zolol [24]
The exact answer is the square root of 7.
5 0
3 years ago
Read 2 more answers
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