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katovenus [111]
3 years ago
13

A model of the Eiffel Tower is 1/7000000

Mathematics
2 answers:
Ivan3 years ago
6 0
The weight of the model is 2 lbs. B is the answer
Diano4ka-milaya [45]3 years ago
3 0
\frac{1}{7 \ 000 \ 000} \cdot 14 \ 000 \ 000 \ pounds = \frac{14\ 000\ 000}{7\ 000\ 000} = \frac{14}{7}=2 \ pounds

Answer B
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Where do the equations y=2x and y=<img src="https://tex.z-dn.net/?f=%20x%5E%7B2%7D%20" id="TexFormula1" title=" x^{2} " alt=" x^
never [62]
Set 2x=x²-3 to each other.
Subtract 2x from both sides and get the following

x²-3-2x

Rearranging the formula to make factoring easier, we get
x²-2x-3

Factor and you should get the following:
(x-3)(x+1)

set both equal to 0 and solve for x.

x-3=0⇒x=3
x+1=0⇒x=-1

Now plug both of these values back into one of your original equations to get your y-values. It does not matter which equation you plug your xs back into due to the fact they intersect at the same x, and thus will also intersect at the same y.

For times sake,
y=2x
plug in x=3 and get y=6
plug in x=-1 and get y=-2

Ergo, the equations y=2x and y=x²-3 intersect at
(3,6) and (-1,-2)
8 0
3 years ago
Can someone help me plz am stuck on this.
chubhunter [2.5K]
First Question

circumference = pi * diameter

diameter = circumference/pi = 94.2 in./3.14 = 30 in.

The wheels have a 30-inch diameter.
-----------------------------------------------------------------------
Second question

The area of a circle: area = pi * r^2

radius = diameter/2 = 94.2 in./2 = 47.1 in.

area = pi * r^2 = 3.14 * 47.1 in. * 47.1 in. = 6966 in.^2

Answer: 6966 in.^2
-----------------------------------------------------------------------
Third question

The piece of felt has a width equal to the diameter of the wheel. The length has to be the same as 4 diameters.

4 * 94.2 in. = 376.8 in.

Answer: 376.8 in.
6 0
4 years ago
14 points A line has a slope of 8 and includes the points (4, -8) and (5, 1). What is the value of f?
Paraphin [41]
24 is your answer don’t give up
5 0
3 years ago
To rent a jet ski at Sam’s costs $25 plus $3 per hour. At Claire’s, it costs $5 plus $8 per hour. At how many hours will the ren
BlackZzzverrR [31]
Answer: they will both cost $37 after 4 HOURS


step by step explanation:
3x - 25 = 8x + 5
- 3x. -3x

25 = 5x + 5
-5. -5

20 = 5x
/ 5. /5

X=4


Hope this helps
8 0
3 years ago
What is the inverse of the function g(x)=-2/5x +3
ale4655 [162]

Answer: y=-2/5x-3/5

Step-by-step explanation:

y=-2/5x+3

x=-2/5y+3

x(5y+3)=-2/5y+3×5y+3

x(5y+3)=-2

Devide by X on both sides

5y+3=-2/x

5y=-2/x-3

y=-2/5x-3/5

6 0
3 years ago
Read 2 more answers
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