$-5x^2+3x = -3x^2 +3x -50\\\\\implies 5x^2-3x^2 +3x-3x -50 =0\\\\\implies 2x^2 -50 =0\\\\\implies x^2 -25 = 0\\\\\implies x^2 = 25\\\\\implies x = \pm5\\\\\text{Hence}~ x = 5~ \text{or}~ x = -5$

6 0

3 years ago

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Plz help I need to understand and I don’t

aliina [53]

Answer:

B. $108 \: {in}^{2}$

Step-by-step explanation:

Total surface area of the square pyramid

= 4 times the area of one triangle + Area of square

$= 4 \times \frac{1}{2} \times 6 \times 6 + {6}^{2} \\ \\ = 72 + 36 \\ \\ = 108 \: {in}^{2}$

3 0

3 years ago

30,000 rounded to the nearest thousand. what is the largest number and what is the lowest.

denis23 [38]

30,000 to the nearest thousands. The largest number is 30,499 and the lowest number is 29,500.

5 0

3 years ago

Dimitri rode his bike 32 miles yesterday. He rode 12 4/5 miles before lunch and the rest of the distance after lunch. How far di

BigorU [14]

19.2 miles is the answer

3 0

3 years ago

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