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777dan777 [17]
3 years ago
6

Which answer is correct

Mathematics
1 answer:
Butoxors [25]3 years ago
3 0

Answer:

A

Step-by-step explanation:

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All I need are four equations of perpendicular lines that is all
Rufina [12.5K]

Answer:

m = −1−4 = 14.

y − y1 = (1/4)(x − x1)

y − 2 = (1/4)(x − 7)

y − 2 = x/4 − 7/4

Step-by-step explanation:

google

7 0
3 years ago
What is the greatest common factor of 30, 45, and 90?
weeeeeb [17]

Answer:

15

The factors of 30 are: 1, 2, 3, 5, 6, 10, 15, 30

The factors of 45 are: 1, 3, 5, 9, 15, 45

The factors of 90 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90

Then the greatest common factor is 15.

3 0
3 years ago
Solve the equations. 81^x^2=27^x
pogonyaev

Answer:  <em>81ײ=27×     x = 6</em>

8 0
3 years ago
7. The lifetime of a certain brand of tires is approximately normally distributed, with a
Aleonysh [2.5K]

Answer:

0.0025551

Step-by-step explanation:

Given that:

Mean (m) = 40000

Standard deviation (s) = 2500

P(x < 33,000) :

USing the relation to obtain the standardized score (Z) :

Z = (x - m) / s

Z = (33000 - 40000) / 2500 = - 2.8

p(Z < -2.8) = 0.0025551 ( Z probability calculator)

Probability of Tyre wagering out before mileage limit is reached = 0.0025551

7 0
3 years ago
In a reapeating musical pattern, there are 56 beats in 7 measures
anygoal [31]

Answer:

You will need to find the number of measures per beat (it will be a fraction): 7/56=0.125 Then, you multiply that by 104: 0.125x104=13 This means that there will be 13 measures after 104 beats.

Step-by-step explanation:

104 beats is multiplied with the decimal of the fraction of beats and measures which means it has been used with whole numbers

0.125 is not a whole number we know x 100 is 12.5 and we know x4 is 0.5

When we work with the first 4 multiples we can usually spot whether it would take more than 4 to round figure it to 0.5 to add to 12.5

There are 3 digits as decimals and x 100 quantifies.  just by adding 4 to x100 to each of them until a whole number found 12.5 + 0.5 = whole number = 13.

8 0
3 years ago
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