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4 years ago

9

A quality control inspector examined 500 light bulbs and found 20 defective . at this rate how many defective bulbs would would

there be in a lot of 55,000?

1 answer:

gtnhenbr [62]4 years ago

7 0

2200 is the number of defective lightbulbs

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A tank is filled with water at a rate of 2.4 liters per minute. At this rate, how

TEA [102]

Answer: 35 minutes

Step-by-step explanation:

84 liters divided by 2.4 liters per minute

84/2.4=35 minutes

4 0

3 years ago

Please Help pt 2 I don't understand any of this

dedylja [7]

Answer: $\bold{(D)\ \dfrac{3}{4}-\dfrac{1}{4}x}$

<u>Step-by-step explanation:</u>

$\ \ \dfrac{3}{4}-x\bigg(\dfrac{1}{2}-\dfrac{5}{8}\bigg)+\bigg(-\dfrac{3}{8}x\bigg)\\\\\\=\dfrac{3}{4}\bigg(\dfrac{2}{2}\bigg)-x\bigg[\dfrac{1}{2}\bigg(\dfrac{4}{4}\bigg)-\dfrac{5}{8}\bigg]+\bigg(-\dfrac{3}{8}x\bigg)\\\\\\=\dfrac{6}{8}-x\bigg(\dfrac{4}{8}-\dfrac{5}{8}\bigg)-\dfrac{3}{8}x\\\\\\=\dfrac{6}{8}-x\bigg(-\dfrac{1}{8}\bigg)-\dfrac{3}{8}x\\\\\\=\dfrac{6}{8}+\dfrac{1}{8}x-\dfrac{3}{8}x\\\\\\=\dfrac{6}{8}-\dfrac{2}{8}x\\\\\\=\dfrac{3}{4}-\dfrac{1}{4}x\quad \text{(reduced both fractions)}$

7 0

3 years ago

choose yes or no to indicate which of the equations can be used to describe the pattern in the table (am i correct??????)

Alex

Answer:

Yes

Step-by-step explanation:

4 0

3 years ago

During last year Adam's height increased from 125 cm to 135 cm. By how many percents did it change?

arlik [135]

he increase from 125cm to 135cm

first step :

$135 - 125 = 10cm$

second step :

percents he change is

$\frac{10 \times 100\%}{ 125} = 8\%$

6 0

3 years ago

Read 2 more answers

Please help me on this

Llana [10]

It would be 35 + 8 is 43 because it increases by 8.

8 0

3 years ago