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sergiy2304 [10]
2 years ago
5

18 is what percent of 42?

Mathematics
2 answers:
Fittoniya [83]2 years ago
6 0

Answer:

42.86

Step-by-step explanation:

Maurinko [17]2 years ago
4 0

Answer:

42.86%

Step-by-step explanation:

First, we turn it into a fraction:

18/42

Simplify:

3/7 = 42.86 (rounded)

So 18 is 42.86% of 42

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I need help please this is confusing
kap26 [50]

Step-by-step explanation:

slope formula when it's perpendicular : m1 × m = -1

Now Differentiate the quadratic function given.

d/dx ( x^2 - x + 1 ) at an x value of -1 from the point "(-1 , 3 )"

= 2x - 1 .... plug in the x value

= 2 × -1 - 1 = -3.

Use this equation...

y - y1 = m(x - x1)

m = slope = derivative at x = -1

y1 = value found by subbing -1 into the original function

x1 = the x value often given.

y - 3 = 1/3 (x + 1)

= 1/3x + 1/3 + 3

y = 1/3x + 10/3.

not sure about this one - it probably intersects at the x & y intercepts of the equation of the normal line.

y = 0 + 10/3 = 10/3

1/3x = 0 - 10/3

x = -10/3 / 1/3 = -10

so the point .... (-10 , 10/3)

7 0
2 years ago
The cacti company manufactures and sells succulent gardens. The gardens have an expense equation of E= 4.7 + 34,000. The average
liq [111]

Answer:

False

Step-by-step explanation:

The average cost is E = 4.7(2,500) + 34,000 = 45,750 ÷ 2,500 = $18.30.

5 0
3 years ago
Find the slope of the line whose equation is 2x - 3y + 6 = 0.
Alona [7]
Hi

y = mx+b

2x - 3y + 6 = 0
3y = 2x+6
y = 2x/3+6/3
y = 2x/3+2

m = 2/3


7 0
3 years ago
Read 2 more answers
Uh help me I guess you don’t have to if you don’t want to though
ella [17]

Answer:

12cm³

Step-by-step explanation:

1/2x2x6x2=12cm³

6 0
2 years ago
Read 2 more answers
1) what is the coordinate of the center of circle A) 2: what is the radius of circle A) 3: what is the diameter of circle A) 4:
Step2247 [10]

Answer:

1. (3'-3)  all I can remember from that topic rn xD sry.

Step-by-step explanation:

5 0
3 years ago
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