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slavikrds [6]
3 years ago
14

What is the equation of a line that is paralel to — 3x + 4y = 4 and passes through the point (4, 0)?

Mathematics
1 answer:
natka813 [3]3 years ago
5 0

Step-by-step explanation:

..............

=> 3x + 4y = 12

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find the quadratic equation if its solutions are 1.5 and -.25, and the equation coefficients are not decimals.
denpristay [2]

If a quadratic equation has solutions x_1 and x_2, then we can write it as

(x-x_1)(x-x_2)

So, in your case, we have (let me write 1.5 as 3/2 and -0.25 as -1/4)

\left(x-\dfrac{3}{2}\right)\left(x+\dfrac{1}{4}\right) = x^2-\dfrac{5}{4}x-\dfrac{3}{8}

If we don't want decimal coefficient, we can multiply the whole expression by 8:

8x^2-10x-3

3 0
3 years ago
Estimate the product 28 2/3 x 4/5
Leona [35]

Answer:

23.2, exact is 22.9333334

Step-by-step explanation:

28 2/3 is around 28.5 ,4/5 is .75

28.5 * .75 = 21.375

8 0
3 years ago
Waylon is typing a paper for keyboarding class. He has typed 648 words in 8 minutes. He types at the same rate each minute. Whic
Vlad1618 [11]

Answer:

that is the correct answer

7 0
2 years ago
The ages in years, of the people online at the skating rink are 24, 16, 15,
LekaFEV [45]
Mean- 26.5
median- 21.5
mode- 19
range- 41
7 0
3 years ago
Read 2 more answers
A consultant has three sources of income—from teaching short courses, from selling computer software, and from advising on proje
Amanda [17]

Answer:

Mean = $79,000

Standard deviation = $25,000

Step-by-step explanation:

Data provided in the question:

Expected annual incomes:

From teaching short courses = $7,000

From selling computer software = $22,000

From advising on projects = $50,000

Standard deviation:

teaching short courses = $3,000

selling computer software = $4,000

advising on projects = $18,000

Now,

it is given that the events are independent

therefore,

Mean = ∑(Expected annual income)

or

Mean = $7,000 + $22,000 + $50,000

or

Mean = $79,000

also,

Standard deviation = ∑(standard deviation)

or

Standard deviation = $3,000 + $4,000 + $18,000 = $25,000

8 0
3 years ago
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