3 years ago

5/9 of a number is 65 find the number

Mathematics

1 answer:

Gnoma [55]3 years ago

6 0

Answer:

55% of 118 is 65.54

Step-by-step explanation:

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Lg(10x+200)=lg <img src="https://tex.z-dn.net/?f=%20%7Bx%7D%5E%7B2%7D%20" id="TexFormula1" title=" {x}^{2} " alt=" {x}^{2} "

Oksana_A [137]

Answer: x = {-4, 5}

Step-by-step explanation:

log (10x + 200) = log (x²) + log (10)

log (10x + 200) = log (10x²)

10x + 200 = 10x²

0 = 10x² - 10x - 200

0 = x² - x - 20

0 = (x - 5)(x + 4)

0 = x - 5 0 = x + 4

x = 5 x = -4

Check for extraneous solutions:

10x + 200 > 0 x² > 0

x = 5 10(5) + 200 > 0 (5)² > 0 both are satisfied

x = -4 10(-4) + 200 > 0 (-4)² > 0 both are satisfied

Both solutions are valid!

8 0

3 years ago

Solve -15 =p+2. Enter your answer in the box. -15 = p + 2 -15 – 2 = p + 2 – 2 ___ =P

fenix001 [56]

Answer:

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6 0

3 years ago

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Helen [10]

Answer: A .0115

Step-by-step explanation:

There are 1000 mg in a gram. So to convert to grams, you would divide by 1000

8 0

3 years ago

Read 2 more answers

Juarez Distribution Company conducted a time study of Martha Smith’s job as an installer. Using the observation chart, find her

Alex777 [14]

Average time on task 1 = $\frac{3.4+4.1+6.5+8.1}{4}=5.5$ seconds
Average time on task 2 = $\frac{3.5+4.3+6.8+8.3}{4}=5.7$ seconds
Average time on task 3 = $\frac{4.3+4.1+6.5+7.9}{4}=5.7$ seconds
Average time on task 4 = $\frac{2.9+4.6+6.6+7.1}{4} =5.3$ seconds
Average time on task 5 = $\frac{3.6+4.2+6.7+8.1}{4}=5.65$ seconds