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Gnesinka [82]
3 years ago
10

Someone pls help me with this I'm begging you to pls not write whatever and steal points I rlly need help I will mark you as bra

inliest if you answer correctly pls and ty ​

Mathematics
1 answer:
Rashid [163]3 years ago
8 0

Answer:

okay you said '' and steal my points'' so ill do

Step-by-step explanation:

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What polynomial can be simplified to a different of squares? 10a2+3a-3a-16
olganol [36]

10a^2 +3a -3a -16 = 10a^2 -16 = (\sqrt{10}a +4 ) (\sqrt{10}a - 4 )

3 0
3 years ago
Someone please help me on this question
Rudik [331]
100 + 10x=15x. Subtract 10x from both sides. 100=5x. Divide by 5 on both sides. x=20. So you would need to buy 20 movies. 
7 0
3 years ago
Use the figure to find the measure of angle 2.
ale4655 [162]

Answer:

∠ 2 = 70°

Step-by-step explanation:

110° and ∠ 1 are corresponding angles and congruent, thus

∠ 1 = 110°

∠ 1 and ∠ 2 are adjacent angles and are supplementary, thus

∠ 2 = 180° - ∠ 1 = 180° - 110° = 70°

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3 years ago
Box 1 contains 1000 lightbulbs of which 10% are defective. Box 2 contains 2000 lightbulbs of which 5% are defective. (a) Suppose
mojhsa [17]

Answer:

a) There is a 66.7% chance that you were given box 1

b) There is a 80% chance that you were given box 1

Step-by-step explanation:

To find this, we need to note that there is a 1/10 chance of getting a defective bulb with box 1 and a 1/20 chance in box 2.

a) To find the answer to this, find the probability of getting a defective bulb for each box. Since there is only one bulb pulled in this example, we just use the base numbers given.

Box 1 = 1/10

Box 2 = 1/2

From this we can see that Box 1 is twice as likely that you get a defective bulb. As a result, the percentage chance would be 2/3 or 66.7%

b) For this answer, we need to square each of the probabilities in order to get the probability of getting a defective one twice.

Box 1 = 1/10^2 = 1/100

Box 2 = 1/20^2 = 1/400

As a result, Box 1 is four times more likely. This means that it would be a 4/5 chance and have a probability of 80%

3 0
3 years ago
Help i timed The bill for a pizza was $13.50. Charles paid for 4/5 the entire bill
Afina-wow [57]

Answer:

12.7

Step-by-step explanation:

you have to turn 4/5 into a decimal then subtract that from 13.50

3 0
2 years ago
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