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Gre4nikov [31]
2 years ago
11

A building 190 feet tall casts a 90 foot long shadow. if a person stands at the end of the shadow and looks up to the top of the

building, what is the angle of the person's eyes to the top of the building
Mathematics
1 answer:
Ivahew [28]2 years ago
5 0

Answer:

About 64.65 degrees

Step-by-step explanation:

\tan(x) =  \frac{190}{90}

x =  { \tan}^{ - 1}  \frac{190}{90}  = 64.65

Make sure your calculator is in degree mode.

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Alvaro is interested in the relationship between weather conditions and whether the downtown train runs on time. For a year, he
sladkih [1.3K]

Answer:

I got B :)))

Step-by-step explanation:

8 0
3 years ago
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Noah currently has an account balance of $2,976.45. He opened the account 11 years ago with a deposit of $1,963.45. If the inter
Vesnalui [34]
What we know:
Acct. balance A (11)= $2,976.45
Pricipal=$1,963.45
Compounded (n)=quarterly (4)
rate=r
Compound interest formula: A (t)=p (1+r/n)^nt

What we need toi find:
If the interest compounds quarterly, what is the interest rate on the account? Find r.
A (t)=p (1+r/n)^nt
2976.45=1963.45 (1+r/4)^(4×11)
2976.45=1963.45 (1+r/4)^44
2976.45/1963.45=1963.45/1963.45 (1+r/4)^44
1.5159=(1+r/4)^44
(1.5159)^(1/44)=((1+r/4)^44)^(1/44)

1.0095=1+r/4
1.0095-1=1-1+r/4
.0095=r/4
.0095(4)=r/4 (4)
.038=r

Rate = 3.8%


5 0
4 years ago
Read 2 more answers
The inverse of the function f(x) = 1/2 × + 10 is shown h(×) = 2 × - ​
Taya2010 [7]

Answer:

The missing number is 20

Step-by-step explanation:

Given function: f(x) = 1/2x + 10

Rewrite: y = 1/2x + 10

Flip x and y: x = 1/2y + 10

x - 10 = 1/2y

2(x-10) = y

2x - 20 = y

y = 2x - 20

h(x) = 2x - 20

6 0
3 years ago
On my 30th birthday, I plan to light 30 candles on my cake and blow 30% of them.
storchak [24]
20 candles will stay lit
6 0
3 years ago
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The cost in dollars, y, of a large pizza with x toppings from Pat’s Pizzeria can be modeled by a linear function. A large pizza
Lisa [10]

Answer: b. $22.75

Step-by-step explanation:

Given : A large pizza with no toppings costs $14.00. A large pizza with 2 toppings costs $17.50.

Let x denotes the number of toppings and y be the cost of that pizza.

Then, y=mx+c , m= cost per topping  and c= cost of pizza without any topping.

From the given information.

c= $14

Function of cost becomes = y=mx+14

For x= 2 and y= 17.50, we have

17.50=m(2)+14

tex]3.50=m(2)[/tex]  [Subtract 14 from both sides]

m=\$ 1.75  [Divide both sides by 2]

For c= 14 and m =1.75  , our function becomes.

y=1.75x+14

Now, for x= 5

y=1.75(5)+14=8.75+14=22.75

Hence, the cost of a pizza with 5 toppings =  $22.75

5 0
3 years ago
Read 2 more answers
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