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RUDIKE [14]
3 years ago
13

Pls help with this question

Mathematics
1 answer:
alexandr402 [8]3 years ago
6 0

Answer:

yes

Step-by-step explanation:

it passes the vertical line test

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Find the range of values of x for which the function defined by f(x)=
maxonik [38]

Answer:

all values! x ∈ R

Step-by-step explanation:

The derivative f'(x) = 6x²-6x+12 is a parabola opening upward, with its (positive!) minimum at (0.5, 11.5). If the derivative is always positive, the function must be increasing everywhere!

5 0
2 years ago
If you want to buy an item in a store that cost $43 and is on sale for 40% off, then how much would the item actually cost you a
expeople1 [14]

Answer:

$25.80

Step-by-step explanation:

40% = 40/ 100 = 4/10 = 0,4

There is a 40% discount, which means that the amount multiplied by more then 1 (for example 1,4) would increase the amount... That isn't right because it is a discount!

So you need to subtract the 40%, so (1 - 0.4 =) 0.6

The amount multiplied by 0.6 will be the correct amount, being $43 * 0.6 = $25.80 (rounded to the nearest cent).

The amount the item actually cost after the discount is $25.80

4 0
3 years ago
Which whole number property is represented?<br> 10+ 0 = 10
s344n2d4d5 [400]

Answer:

10

Step-by-step explanation:

6 0
2 years ago
1c) What is 25% of 40?<br> 8.5
grin007 [14]

<em>2</em><em>5</em><em>%</em><em> </em><em>of</em><em> </em><em>4</em><em>0</em>

<em>=</em><em>2</em><em>5</em><em>/</em><em>1</em><em>0</em><em>0</em><em>×</em><em>4</em><em>0</em>

=<em>0</em><em>.</em><em>2</em><em>5</em><em>×</em><em>4</em><em>0</em>

<em>=</em><em>1</em><em>0</em><em> </em><em>answer</em><em>.</em>

8 0
3 years ago
Solve.
Lina20 [59]
Try to subtitute y with 3x - 7
15x - 5y = 14
15x - 5(3x - 7) = 14
15x - 15x + 35 = 14
35 ≠ 14
The equation system doesn't have any solution
8 0
3 years ago
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