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masya89 [10]
3 years ago
11

A store is having a sale in which the cost of any item is 35% off. Which expression can be used to find the cost, x, of an item

AFTER DISCOUNT?
Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
3 0

Answer:

73373773737477374747373738

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You have to multiply the number of people times the number of cookies they are each supposed to get

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Hey i rlly want to be done with thiss lol don't delete;-;
e-lub [12.9K]

Answer:

hello the correct answer is y=30x+20

Step-by-step explanation:

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2 years ago
I need help I don’t understand
bagirrra123 [75]

Answer:

x=50

Step-by-step explanation:

A= 30+2x

B= x

Supplementary angles are angles that always add up to 180 degrees.

therefore, A + B=180 degrees

30 + 2x + x = 180: Now we solve

<em>30 + 3x =180 </em>

<em>subtract 30 from both sides</em>

3x=150

<em>divide by 3</em>

3x/3 = 150/3

x= 50

7 0
2 years ago
Buying a car
____ [38]

Answer:

16,000

Step-by-step explanation:

20,000 x .20 = 4,000

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7 0
3 years ago
Read 2 more answers
​claim: the mean pulse rate​ (in beats per​ minute) of adult males is equal to 69 bpm. for a random sample of 140 adult​ males,
zaharov [31]

Answer:

93.19%

Step-by-step explanation:

We have that the mean (m) is equal to 70.4, the standard deviation (sd) 11.1 and the sample size (n) = 140

They ask us for P (x =69)

For this, the first thing is to calculate z, which is given by the following equation:

z = (x - m) / (sd / (n ^ 1/2))

We have all these values, replacing we have:

z = (69 - 70.4) / (11.1 / (140 ^ (1/2)))

z = 1.49

With the normal distribution table (attached), we have that at that value, the probability is:

P (z <1.49) = 0.9319

The probability is 93.19%

8 0
3 years ago
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