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Nastasia [14]
3 years ago
10

I can’t figure this out and I need some help please and thank you

Mathematics
2 answers:
Ghella [55]3 years ago
7 0

Answer:

9/2 or 4 1/2 its the 4th one (:

Step-by-step explanation:

Setler [38]3 years ago
4 0

Answer:

4 1/2

Step-by-step explanation:

I just used a calculator because it is fastest, but you can do this by hand if you give the 2 a denom of 1 and turn the 2 1/4 into an improper fraction to cross multiply!

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the sides of a rectangle are the ratio 2:5. (for every 2cm of the width, the length is 5cm) the perimeter of the rectangle is 70
viva [34]
------------------------------------------------------------------------------------
Ratio
------------------------------------------------------------------------------------
Width : Length
    2    :   5 

Let x be the scale factor

Width : Length
    2x    :   5x

------------------------------------------------------------------------------------
Form equation and solve x
------------------------------------------------------------------------------------
Perimeter = 2(Length + Width)
70 = 2(5x + 2x)
70 = 2(7x)
70 = 14x
14x = 70
x = 5

------------------------------------------------------------------------------------
Find Length and Width
------------------------------------------------------------------------------------
Length = 5x 
Length = 5(5) 
Length = 25

Width = 2x
Width = 2(5)
Width = 10

------------------------------------------------------------------------------------
Answer: Length = 25 cm, Width = 10 cm
------------------------------------------------------------------------------------
4 0
3 years ago
What are the zeros of f(x) = x3 + 6x2 + 3x – 10 ?
schepotkina [342]
One of the zeroes would be : x = 1

f (1)  = 1^3  + 6(1) ^2  + 3 (1)  - 10

f(1) = 1 + 6 + 3 - 10

f (1)  = 10 - 10

f (1) = 0

Hope this helps
3 0
3 years ago
Find the area of a triangle bounded by the x-axis the line f(x)=5-5/3x and the line perpendicular to f(x)
viktelen [127]

Answer:

answer fx

Step-by-step explanation:

its fx because it works

7 0
2 years ago
A study has demonstrated that the more television a person watches, the lower that person’s level of physical fitness. However,
Murljashka [212]

Answer: D

Step-by-step explanation:

3 0
3 years ago
An equation with a graph that is a straight line is called
Alinara [238K]
The answer is called a linear equation :))
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3 years ago
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