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Oxana [17]
2 years ago
13

Based on the function f(x)=x^2+4x-3which of the following statements are true

Mathematics
1 answer:
rosijanka [135]2 years ago
3 0

here try this right here

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Here Brainliest answer this correctly
Maru [420]
8c=98
Hope it helps
5 0
3 years ago
What is the intersection of the three sets: A = {1, 3, 5, 7, 9}, B = {1, 2, 3, 5, 7}, and C = {1, 2, 5, 8, 9}?
marysya [2.9K]

ITS A. 1 AND 5 BECAUSE 1 AND 5 ARE IN ALL 3 SETS

7 0
3 years ago
2,250 watts to horsepower (Round answer to the nearest thousandth.
alexgriva [62]

Answer: 3.017hp

Step-by-step explanation: 745.7watts = 1hp

2250watts will be (2250/745.7)hp

i.e 3.017watts

6 0
3 years ago
Solve the compound inequality. Graph the solution<br> -2 ≤ 2x – 4 &lt; 4
Ulleksa [173]
-2 \ \textless \ = 2x - 4 \ \textless \  4 

-2+4\ \textless \ 2x\ \textless \ 4+4&#10; &#10;  Add \ 4 \ to \ the \ whole \ equation 

&#10;2\ \textless \ 2x\ \textless \ 8&#10; &#10;  Simplify \ inequality 

1\ \textless \ x\ \textless \  \dfrac{8}{2} Divide \ the \ whole \ equation \ by \ 2 

&#10;1\ \textless \ x\ \textless \ 4&#10; &#10; = (1,4)
5 0
3 years ago
Mr peterson will buy 80 feet of fencing. The pieces of fence come in whole numbers of feet. His enclosure will be a rectangle an
DIA [1.3K]
The perimeter is:
 P = 2x + 2y = 80
 The area is:
 A = x * y
 The area as a function of a variable is:
 A (x) = x * (40-x)
 Rewriting we have:
 A (x) = 40x-x ^ 2
 We derive the function:
 A '(x) = 40-2x
 We equal zero and clear x:
 40-2x = 0
 2x = 40
 x = 40/2
 x = 20 feet
 The other dimension is:
 y = 40 - x
 y = 40 - 20
 y = 20 feet
 The area will be:
 A = x * y
 A = 20 * 20
 A = 400 feet ^ 2
 Answer:
 
The dimensions are:
 
x = 20 feet
 
y = 20 feet
 
The area is:
 
A = 400 feet ^ 2
5 0
3 years ago
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