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Alexus [3.1K]
2 years ago
8

I need help. It's kinda hard for me. We have to use decimal numbers

Mathematics
1 answer:
cestrela7 [59]2 years ago
5 0

Answer: 2.4 + 7.6 = 10

Step-by-step explanation:

Hope this helps

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Compare and contrast the results of adding or multiplying a value outside the argument of a function to the result of adding or
ki77a [65]

Answer:

Only in special funcitons, specifically linear functions whose graphs pass through the origin, it is the same to put the constant inside the argument or outside

Step-by-step explanation:

If the function has the form f(x) = a*x, where a is a constant, then we have that f(c*x) = a*(c*x) = c*(a*x) = c*f(x). This kind of functions are proportional to the identity function f(x) = x, and they comprehend the linear functions whose graph pass through the origin.

For other linear function this property isnt true. For example if f(x) = x+4, then

f(4) = 4+4 = 8,

f(2*4) = 8+4 = 12

2*f(4) = 2*8 = 16

Thus, 2*f(4) is not f(2*4).

This property also isnt true for quadratic functions for example. If f(x) = x², then f(1) = 1, thus 3*f(1) = 3, however, f(3*1) = 3² = 9.

There might be coincidences for specific values, for example if f(x) = (x-1)*(x-2), then f(2*1)=2*f(1) = 0, however, for any other constant the result is not the same (for example f(0*1) = (-1)*(-2)=2, and 0*f(1) = 0).

If we want a function to satisfy the property f(c*x) = c*f(x) for any c,x, then it should be true that f(c) = f(c*1) = c*f(1). This means that if f(1) = a, then f(c) = c*a, so, in other words, f(x) = a*x = f(1) * x.

5 0
3 years ago
To the nearest hundredth, how many cm are in 52 in? (1 in = 2.54 cm)
Vikki [24]
There are 132.08cm in 52 inches
4 0
3 years ago
Read 2 more answers
Joseph's lunch at a restaurant costs 13.00, without tax. He leaves the waiter a tip of 17% of the cost of the lunch, without tax
Musya8 [376]

Answer:

The cost before tax with tip is $15.21.

Step-by-step explanation:

To calculate percentage, take the percent (17%) and take its decimal form. This means 17% is 0.17 (like 50% would be 0.5). multiply the number you want the percentage of by the decimal form. 13*0.17=2.21. Add this to the cost before tax and before tip. 13.00+2.21=15.21. The cost before tax with tip is $15.21.

3 0
2 years ago
If the circle above is dilated using a scale factor of 5, what will be the radius of the resulting circle?
ladessa [460]
The circle radius will be 2 1/2
4 0
2 years ago
A ball is thrown from a height of 40 meters with an initial downward velocity of 5 m/s
arsen [322]

0=40-10t-5t^2

t^2+2t-8=0

(t+4)(t-2)=0

t=-4 (not a solution) or t=2

Answer: after 2 seconds

7 0
3 years ago
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