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nadezda [96]
3 years ago
9

Which equation shows y=−12x+4 is in standard form?

Mathematics
1 answer:
Deffense [45]3 years ago
3 0
The standard form for the given equation would be:

12x + y = 4
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Consider the following linear equations. y = 2x + 5 y = 2x - 3 Which statement below if True?
Fantom [35]

Answer:

Option B is correct

Step-by-step explanation:

The equation of a straight line is given as;

y = mx + b

where m is the slope and b is y-intercept

Let’s evaluate the options one after the other;

A. This is wrong as they both have same slope of 2

C. The y-intercepts are not the same

One is 5, the other is -3

D. This is wrong, the line cannot be the same

Option B is correct

The y-intercept of both varies

While 1 is already appreciated, the other is coming back

3 0
3 years ago
Challenge A family wants to rent a car to go on vacation. Company A charges $75.50 and14¢ per mile. Company B charges $30.50 and
sergiy2304 [10]

Company A charges $75.50 and 14¢ per mile, then for x miles, Company A charges 75.5 + 0.14x dollars

Company B charges $30.50 and 9¢ per mile, then for x miles, Company B charges 30.5 + 0.09x dollars

Subtracting the second equation to the first one,

75.5 + 0.14x

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30.5 + 0.09x

----------------------

45 + 0.05x

For x miles, Company A charges 45 + 0.05x dollars more than Company B.

6 0
1 year ago
Roland had 10,500 in medical expenses last year and has no medical insurance. The IRS allows medical expense deductions for the
galina1969 [7]
The answer in this question is $8,175 the solution to get the answer is;
7.5% X $31,000 = $2,325 
The amount that exceeds the 7.5% threshold is $10,500 - $2,325 = $8,175

.075 times the income to figure out how much IS NOT deductible. Everything above that amount is deductible.
3 0
3 years ago
PLEASE HELP MEE it’s urgent
Ann [662]

Answer:

positive9/50

Step-by-step explanation:

9/50

3 0
3 years ago
Read 2 more answers
The diameter and height of a right circular cylinder are found at a certain instant to be 10 centimeters and 20 centimeters, res
Andrej [43]

Answer:

Step-by-step explanation:

Here's the formula for the volume of a right circular cylinder:

V=\pi r^2h

Here's what we are given and what we need to find:

Given that d = 10 cm, h = 20 cm, dd/dt = 1 cm/sec

Need to find dh/dt when V is constant

Since our formula has a radius in it and not a diameter but the info given is a diameter, we can use the substitution that

2r =d so

r=\frac{1}{2}d

Now we can rewrite the formula in terms of diameter:

V=\pi (\frac{1}{2}d)^2h which simplifies down to

V=\frac{\pi }{4}d^2h

Now we will take the derivative of this equation with respect to time using the product rule.  That derivative is

\frac{dV}{dt}=\frac{\pi }{4}[d^2*\frac{dh}{dt}+2d\frac{dd}{dt}*h]

Now we can fill in our values.  Keep in mind that if the volume is constant, there is no change in the volume, so dV/dt = 0.

0=\frac{\pi }{4}[(100\frac{dh}{dt}+2(10)(1)(20)] and

0=\frac{\pi }{4}(100\frac{dh}{dt}+400)

Multiply both sides by pi/4 to get

0=100\frac{dh}{dt}+400 and solve for dh/dt:

-4=\frac{dh}{dt}

Interpreted within the context of our problem, this means that the volume will be constant at those given values of diameter and height when the liquid in the cylinder is dropping at a rate of 4 cm/sec.

4 0
3 years ago
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