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RoseWind [281]
3 years ago
8

João está projetando um novo brinquedo para o parque de diversões da cidade, conforme a imagem abaixo. As correntes das cadeiras

medem 4 metros e atingem um ângulo de 23° quando o brinquedo está na velocidade máxima. Se João quer que as cadeiras fiquem a 3,5 metros do chão quando o brinquedo atingir a velocidade máxima, qual deve ser a altura da coluna principal do brinquedo?
Mathematics
1 answer:
erastova [34]3 years ago
7 0

Há alguma opção de resposta?

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Solve for y.<br> 3(3y - 6) = 18
AveGali [126]

Answer:

y=4

Step-by-step explanation:

first you that the number outside of the parenthesis and multiply it by the numbers inside 3x3y (ignore the y for right now) and 6x3 now we have          9y-18=18 now we move the 18 so the y is by itself now we have 9y=36 divide both by 9 and you get your answer y=4

5 0
2 years ago
HELPP<br> What is the size of the label in square cm??
elena55 [62]

Answer:

226.19

Step-by-step explanation:

area of a cylinder is 2 times pi times radius time height plus 2 times pi times radius squared

radius=6/2=3

height=9

substitute in your values and get 226.19cm squared

4 0
2 years ago
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Some carpet cleaning costs are 1 room for $125, 2 rooms for $175, 3 rooms for $225. and 4 rooms for $275.00.Find and interpret t
Free_Kalibri [48]
First calculate the hourly rate, which is the difference of cleaning 2 and 1 rooms:
175-125=50

then calculate the initial value by subtracting the hourly rate from the "1 room" cost:
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The initial cost might be something like driving to the place (which is only necessary once), while the rate covers work time or cleaning utensils used.
8 0
3 years ago
Simplify 4^3•4^5.<br> help asap !
Julli [10]

Answer:

D

Step-by-step explanation:

when there are exponents with same bases multiplied by each other, keep the base and add the exponents

4^(3)+4^(5)=4^8

4^8 is D in this question

7 0
3 years ago
What is y=-4/3x +6. y=2
Mekhanik [1.2K]

The given equation is:
[/tex]y=-\frac{4}{3}x+6 [/tex] and we need to evaluate this for y=2.
So, first step is to plug in 2 for y in the above equation. Therefore,

2=-\frac{4}{3} x+6
2*3=-\frac{4}{3} x*3+6*3 Multiply each sides by common denominator 3
6=-4x+18
6-18= -4x Subtract 18 from each sides.
-12=-4x
-\frac{12}{-4} =-\frac{4x}{-4}
So, x=3

5 0
2 years ago
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