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Illusion [34]
3 years ago
13

Name the value of each 2 in 222,222

Mathematics
2 answers:
Vilka [71]3 years ago
7 0
200,000-hundred thousand
20,000-ten thousand
2,000-thousands
200-hundreds
20-tens
2-ones
marshall27 [118]3 years ago
4 0

200,000

20,000

2,000

200

20

2

Hope I helped!!

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A triangle has an area of 36 cm². The base and height are scaled by a factor of 5.
ahrayia [7]
Triangle Area = .5 * (base * height)
36 = (base * height) / 2
So let's say base = 9 height 8
If base and height are scaled by a factor if 5 than
base = 45 height 40 and
area = .5 * (45 * 40)
area = 900

Basically, the area increases by a factor of 25.
The base increases by 5 and the height increases by 5 so the area increases by 5*5 = 25

4 0
3 years ago
I'm not sure where to start and how to differentiate this.
Mazyrski [523]
The picture is not clear. let me assume y = (x^4)ln(x^3)

product rule :
d f(x)g(x) = f(x) dg(x) + g(x) df(x)

dy/dx = (x^4)d[ln(x^3)/dx] + d[(x^4)/dx] ln(x^3)
= (x^4)d[ln(x^3)/dx] + 4(x^3) ln(x^3)

look at d[ln(x^3)/dx]
d[ln(x^3)/dx]
= d[ln(x^3)/dx][d(x^3)/d(x^3)]
= d[ln(x^3)/d(x^3)][d(x^3)/dx]
= [1/(x^3)][3x^2] = 3/x
... chain rule (in detail)

end up with
dy/dx = (x^4)[3/x] + 4(x^3) ln(x^3)
= x^3[3 + 4ln(x^3)]

5 0
3 years ago
(5x - 18) + (4x + 7) = 180 what is the value of x?
CaHeK987 [17]
(5x-18)+(4x+7)=180
5x+4x=180+18-7
9x=191
x=191/9

Answer: x=191/9
7 0
3 years ago
2
svet-max [94.6K]

Answer:

 B.  4200

Step-by-step explanation:

A suitable calculator can add the terms for you. (See attached)

__

The first term is 69, and the common difference is 75-69 = 6. The general term is ...

  an = a1 +d(n -1)

  an = 69 +6(n -1)

Then the 28th term is ...

  a28 = 69 +6(27) = 231

The average term is (a28 +a1)/2 = (231 +69)/2 = 150.

The sum is the number of terms multiplied by the average term:

  sum = 28×150= 4200

5 0
2 years ago
If 2x - 3y = 0, what is x/y?<br><br> a. 3/2<br> b. 2/3<br> c. 5/3<br> d. 3/5<br> e. 5/2
juin [17]

2x - 3y = 0

2x = 3y

2x/y = 3y/y

2x/y = 3

x/y=3/2


Answer is a. 3/2.

8 0
3 years ago
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