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bixtya [17]
2 years ago
10

Subtract 3x²-5x+7from5x²-7x+9​

Mathematics
1 answer:
alexgriva [62]2 years ago
5 0

Answer:

2x^2-2x+9

Step-by-step explanation:

5x^2-7x+9-3x^2+5x\\=5x^2-3x^2-7x+5x+9\\= 2x^2-2x+9

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Ksenya-84 [330]

Answer:

6.7-(-2.5)=9.2                  6.7+(-2.5)=4.2                          Neither

2.5 + 6.7                          6.7 - 2.5                                  2.5 - 6.7

                                       -2.5 + 6.7                                 -2.5 - 6.7

                                                                                        -6.7 + 2.5

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2 years ago
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4 0
3 years ago
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The equation a = 640s gives the relationship between s square miles and a acres. Pam owns 7.5 square miles of farmland. How many
stich3 [128]
Quantity of farmland owned by Pam = 7.5 square miles.
The other important information given in the question is the equation relating square miles and acres. Using that information, the answer to the question can be easily reached.
a = 640s
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From the above deduction, we can conclude that the correct option among all the options that are given in the question is the third option or option "C".
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3 years ago
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I need help fast<br> w = 3.4cm<br> h = 2.5cm
Vikentia [17]

The width of the insect is 0.17 cm and the height of the insect is 0.125 cm.

Step-by-step explanation:

Step 1:

The scale factor is given by dividing the measurement after scaling by the same measurement

The given drawing of the insect is larger than the actual insect.

The scale factor is 20: 1 which means 20 cm on the drawing is 1 cm on the actual insect.

Step 2:

To obtain the actual insect's dimensions, we divide the dimensions of the drawing by 20.

The width of the actual insect = \frac{3.4}{20} = 0.17.

The height of the actual insect = \frac{2.5}{20} = 0.125.

The width of the insect is 0.17 cm and the height of the insect is 0.125 cm.

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2 years ago
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LenKa [72]

Answer:

A. Yes, the triangles are congruent by SAS.

Step-by-step explanation:

EF = FG and DF = FH-> Given

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