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Illusion [34]
3 years ago
10

Steve said that [5, 12) is the interval notation that represents the set of all real numbers greater than or equal to 5 and less

than 12. Joe says that (5, 12] is correct interval notation. Who is correct and justify why? HEPLLLL!!!!!
Mathematics
1 answer:
RideAnS [48]3 years ago
3 0

Answer:

Steve

Step-by-step explanation:

Because it means greater than or equal to

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A boundary stripe 6 in. wide is painted around a rectangle whose dimensions are 120 ft by 230 ft. Use differentials to approxima
Nimfa-mama [501]

Answer:

350 square feet

Step-by-step explanation:

We are given that

Width of strip=6 in

Dimension of rectangle=20 ft\times 230 ft

We know that

Area  of rectangle ,A=xy

Differentiate

dA=\frac{\partial A}{\partial x}x+\frac{\partial A}{\partial y}y

We have \frac{\partial A}{\partial x}=y=230 ft

\frac{\partial A}{\partial y}=x=120

dx=\frac{12}{12}=1 ft

1 ft=12 in

Because 6 in added in both side of breadth

dy=\frac{12}{12}=1 ft

Because 6 in added on both sides of length of rectangle

Substitute the values

dA=230\times 1+120\times 1=350 ft^2

Hence, the number of square feet of paint in the strip=350 square feet

7 0
3 years ago
Evaluate n + 5/5<br> When n= -10
vesna_86 [32]

Answer:

n + 5/5 = -9

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
A cone has a radius of 11 inches and a height of 4.5 inches. What is the volume of the cone to the nearest tenth in³ ? Use 3.14
postnew [5]
Volume of a cone can be found using the equation 1/3 π r² h (or π r² h / 3)
r = 11
h = 4.5
π ≈ 3.14
(1/3) (3.14) (11²) (4.5) = 
(1/3) (3.14) (121) (4.5) = 
(1/3) (3.14) (544.5) = 
(1/3) (1709.73) = 569.91

569.91 rounded to the nearest tenth is 569.9 so your answer would be 569.9 in³
6 0
3 years ago
Find the slope of the line whose equation is 17 + 3y = 7x.-7/317/3
Anastaziya [24]

Slope is 7/3

Step-by-step explanation:

  • Step 1: The equation of the line is 17 + 3y = 7x. Find the slope.

Slope intercept form is y = mx + b, where m is the slope.

⇒ 17 + 3y = 7x

⇒ 3y = 7x - 17

⇒ y = 7/3 x - 17/3

m = 7/3

⇒ Slope is 7/3

4 0
3 years ago
20. In a population with μ=60, a score of X=58 corresponds to a z-score of z=-0.50. What is the population standard deviation?
gavmur [86]
The answer to your question is I don’t know
4 0
3 years ago
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