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dedylja [7]
3 years ago
11

Help plzzz on this

Mathematics
1 answer:
Nady [450]3 years ago
7 0
90 degrees rotation about the origin
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Tonya’s dog-walking service charges a flat rate of $20 per month, plus $3 per mile that each dog is walked. Beth does not charge
vladimir1956 [14]

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Ten miles

Step-by-step explanation:

Use this inequality

20 + 3m = 5m

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Divide. Write your answer in simplest form. 1/9 divided 5/4?
timofeeve [1]

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5 0
3 years ago
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Plz help me due today help me
vekshin1

Answer:

7.7 %

Step-by-step explanation:

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3 years ago
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Which relation is a function?
Leno4ka [110]

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Step-by-step explanation:

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3 0
2 years ago
Write and solve a quadratic equation for the situation below. Choose the answer that has both an equation that correctly models
Sedbober [7]
The answer 
<span>the true answer  is A) 4x^2+52x+165=320; x = 2.5 
proof:
since </span><span>they want to limit its area to 320 in^2
x must be equal 2.5, because </span>4.(2.5)^2+52(2.5)+165= 25+130+165=320;

the main rule of the area of a triangle is 

A= (base x height )/2
let be b the base and h the height 
so h=20- 6b
so 50= b x( 20-6b) /2, implies 100/b = 20 - 6b
if b=x, we have 100= 20x -6x² this  is equivalent to 6x² - 20x = -100
so the answer is 
<span>D) None of the choices are correct.
</span>
<span>the largest dimensions that can be used for the fountain are
</span>
<span>B) x^2+8x+16=800

C) x^2+16=800
</span>
proof
x^2+8x+16=x^2+8x+4², 4² is the area of the square fountain, and x^2+8x should be the remaining of the area, t<span>he total space that the fountain and sidewalk can use is 800, it is  less than 800 ft^2.
</span>Use the same method for. x^2+16=800

8 0
3 years ago
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