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Anika [276]
3 years ago
14

The cost of a pound of nails increased from

Mathematics
2 answers:
balandron [24]3 years ago
5 0
I think it's 21% when rounded to a whole number
Mrac [35]3 years ago
5 0
17% you would divide 2.03 by 2.46 =.825 if you round it that would be .83. Then you subtract 83 from 100 = that equals17%. I hope I helped.
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Write an equation in slope-intercept form tha is parallel to y=4x-2 and has a y-intercept of -2
alexgriva [62]

Answer:

y = 4x - 2

Step-by-step explanation:

Formula: y = mx + b

Parallel means same slope as original and b is -2.

7 0
3 years ago
The region r is enclosed by the curves y=4-4x2 and y=0
Misha Larkins [42]

The region r is enclosed by the curves y₁ = 4 - 4x² and y₂ = 0 is 16/3 or 5.333 square units.

<h3>What is an area bounded by the curve?</h3>

When the two curves intersect then they bound the region is known as the area bounded by the curve.

The region r is enclosed by the curves y₁ = 4 - 4x² and y₂ = 0

The intersection points will be

       y₁ = y₂

4 - 4x² = 0

        x = ±1

Then the area bounded by the curves will be

\rm Area = \int _{-1}^1 (y_1-  y_2) dx\\\\Area = \int _{-1}^1 (4 - 4x^2) dx\\\\Area = \left [ 4x  - \dfrac{4x^3}{3} \right ]_{-1}^1\\\\Area = 4 \left ( 1 + 1 \right ) - \dfrac{4}{3} \left ( 1^3 - (-1)^3 \right )\\\\Area = 8 - \dfrac{8}{3}\\\\Area = \dfrac{16}{3} = 5.333 \

More about the area bounded by the curve link is given below.

brainly.com/question/24563834

#SPJ4

6 0
2 years ago
If i stands for income and e stands for expenses, what is the formula for p, profits?
Mama L [17]
The formula for profit<span> is total revenue minus total expenses, resulting in net </span><span>profit.</span>
5 0
4 years ago
The probability that all four test subjects had a true negative test result when they are randomly selected without replacement
algol13

The solution would be like this for this specific problem:

Given:

                                                                                                                No (Did Not Lie)                Yes (Lied)

Positive Test Result                                                                                         10                           29

(Positive test indicated that the subject lied.)                      (false positive)                  (true positive)

Negative test result                                                                                         66                           18

(Polygraph test indicated that the subject did not lie.)     (true negative)                  (false negative)

 

Find:


The probability that all four test subjects had a true negative test result when they are randomly selected without replacement.

Formula:

(66/123) x (65/122) x (64/121) x (63/120) = 0.0793864272

 

Therefore, when they are randomly selected without replacement, the <span>probability that all four test subjects had a true negative test result is 0.079</span>.

6 0
3 years ago
Which line of symmetry for the parabola (x-1)^2= 4(y-1)^?
jonny [76]
This is a vertical parabola, because  (x-1)².
Vertex of the parabola (1,1).
So line symmetry is x=1.
4 0
3 years ago
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