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Alchen [17]
2 years ago
15

Need help with this………

Mathematics
1 answer:
just olya [345]2 years ago
7 0

Answer:

(-4,2)

Step-by-step explanation:

It's the coordinates that the two lines cross at.

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julsineya [31]

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my day is going good just got on the school

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Find the perimeter of the following shape, rounded to the nearest tenth
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where is shape.....???

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The seats at a local baseball stadium are arranged so that each row has five more seats than the row below it. If there are four
brilliants [131]

Answer:

Thus the last row has 119 seats.

The total number of seats in 24 rows = 1476

Step-by-step explanation:

The number of seats in each row make an arithmetic series. We will use arithmetic equation to find the number of seats in last row:

An = a1+ (n-1)d

An = 4+(24-1)5  

An = 4 + (23)(5)  

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Thus the last row has 119 seats.

Now to find the sum of seats we will apply the formula:

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Sn = 24(4+119)/2  

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Sn = 1476 .....

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6 0
3 years ago
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Andres boards a Ferris wheel at the 3-o'clock position and rides the Ferris wheel for multiple revolutions. The Ferris wheel rot
Gelneren [198K]

Answer:

a) r(t) = 0.783t radians

b) h(t) = 30cos(0.783*t) feet

Step-by-step explanation:

The situation is depicted in the picture attached

<h3>(see picture) </h3>

Since the angular speed is constant, to find an expression for the angle r(t) in radians we just cross-multiply using the fact that 1 min = 60 seconds

4.7 radians __________ 60 seconds

r(t) radians ____________  t seconds

\large \displaystyle\frac{4.7}{r(t)}=\displaystyle\frac{60}{t}\Rightarrow r(t)=(4.7/60)t \Rightarrow\\\\\boxed{r(t)=0.783t\;rad}

The height h(t) after t seconds is given by

h(t) = 30cos(r(t)) ===>

h(t) = 30cos(0.783*t) feet

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2 years ago
Find the perimeter of the figure.
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Answer:

26 meters

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8 0
3 years ago
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