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konstantin123 [22]
3 years ago
13

Estimate it as a whole number

Mathematics
1 answer:
denis-greek [22]3 years ago
7 0

Answer:

2

Step-by-step explanation:

First, you do the subtraction 120-21.4 which is 98.7. So since you know its x^7, the number isn't going to be big. By guessing and checking, we start with 2. 2^7 is 128. We know that 1^7 would just be 1, so the closest whole number would be two.

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0.5x + 6 &gt; 3<br> I don’t know how to solve
Advocard [28]

Answer:

x > -6

Step-by-step explanation:

Move 6 to the other side:

0.5x > -3

x > -6

3 0
4 years ago
The graph represents the function f(x) = x2 + 3x + 2. If g(x) is the reflection of f(x) across the x-axis, g(x) = . (Write the f
Tanya [424]

Answer:

g(x) = - (x² + 3x + 2) = - x² - 3x - 2

Step-by-step explanation:

The graph represents the function f(x) = x² + 3x + 2.

Now, g(x) is the function which is obtained by reflecting f(x) across the x-axis.

While a graph of a function reflects across x-axis then its y-values will change sign for a fixed value of x.  

Therefore, the function g(x) will be given by  

g(x) = - (x² + 3x + 2) = - x² - 3x - 2 (Answer)

7 0
3 years ago
What's geometric mean?
Black_prince [1.1K]
<span>It means that it is pertaining to a type of math or in this case Geometry, for the use of its method.

</span>
3 0
3 years ago
Read 2 more answers
Question 6
netineya [11]

Answer:

y= 84

Step-by-step explanation:

y = kx

where k is the constant

k = y/x = 91/13 = 7

the value of Y when x= 12

y = kx =7(12)

y =84

4 0
3 years ago
Sales fall from 300 per week to 270 per week what’s the percentage change
weeeeeb [17]
Hi there! 

Your question: 

Sales fall from 300 per week to 270 per week what's the percentage change?

My answer:

The formula for calculating percent change is as follows: 

[(y2 - y1)/y1]*100=your percent change 

y2= first value 
y1=second value 

Plug the numbers in: 

[(300-270)/300]*100

[30/300]*100

0.1*100

10 

Therefore, the percent change is 10%

Hope this helps! Let me know if it's incorrect so I can fix it:)
8 0
3 years ago
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