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Katena32 [7]
3 years ago
11

Help help help Helpppppp :cccccccccc

Mathematics
1 answer:
rewona [7]3 years ago
6 0

Answer:

2\frac{1}{6} x+2\frac{1}{6} y

Step-by-step explanation:

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HELP SOMEONE PLZ HELP IM STRUGGLING PLZZ I NEED HELP I WILL MARK BRAINLEST​
liq [111]

Answer:

Without any background information on the text such as what the physical environment is and what the economic activities are. I can't really help you.

5 0
3 years ago
The area of a rectangular rug is given by the trinomial r^2-4r-21. What are the possible dimensions of the rug?
maksim [4K]

Answer:

There are two possible values for r (area):  r =-7 or r=3

Step-by-step explanation:

Given the rectangular rug area is:

r^{2} -4r -21  

We have to convert the above equation into factored form.

So two numbers whose product is -21r² and sum is -4r

<=> r^{2} -4r -21  

= r^{2} -7r + 3r -21

= r (r -7) + 3(r -7)

= (r-7)(r+3)

We set  r^{2} -4r -21   = 0

<=> (r-7)(r+3) = 0

<=> (r-7) = 0 or (r+3)  = 0

<=> r =-7 or r=3

So, there are two possible values for r (area):  r =-7 or r=3

5 0
4 years ago
What is the solution set of this inequality? 8(x-5)-3x&gt;/= -20
Gnom [1K]

Answer:

[ 4, ∞ )

Step-by-step explanation:

Given

8(x - 5) - 3x ≥ - 20 ← distribute and simplify left side

8x - 40 - 3x ≥ - 20

5x - 40 ≥ - 20 ( add 40 to both sides )

5x ≥ 20 ( divide both sides by 5 )

x ≥ 4

Solution set is [ 4, ∞ )

5 0
3 years ago
During a figure skating routine, Jackie and Peter skate apart with and angle of 15 degrees between them. Jackie skates for 5 met
Xelga [282]

Answer:

The skaters are 2.5 feet apart

Step-by-step explanation:

Firstly, please check attachment for diagrammatic representation.

To calculate the distance apart, this is same as the length PJ

To calculate this length, we can use the cosine rule as follows;

O^2 = P^2 + J^2 -2(P)(J)Cos 15

O^2 = 7^2 + 5^2 -2(7)(5)Cos 15

O^2 = 49 + 25 - 70Cos15

O^2 = 74 - 67.61

O^2 = 6.39

O = √6.39

O = 2.53

O = 2.5 feet to the nearest tenth of a foot

3 0
3 years ago
When dividing rational functions, always multiply the original function by the divisor's _______
aivan3 [116]

Answer:

Reciprocal

Step-by-step explanation:

meaning the fraction flipped

6 0
3 years ago
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