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Gennadij [26K]
3 years ago
14

) If the base of the panel is 31.2 inches and the height is 18 inches, what is the area of one triangular section? Show your wor

k
Mathematics
2 answers:
QveST [7]3 years ago
8 0
Area of triangle = base × height ÷ 2
18 × 31.2 ÷ 2 = 280.8
The area is 280.8 inches²
borishaifa [10]3 years ago
6 0
Well u do 31.2 x 18 which is 561.6 then u divide by 2 because the formula for a triangle is base x height divided by 2 so It is 280.8
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A pole that is 2.5 m tall casts a shadow that is 1.47 m long. At the same time, a nearby tower casts a shadow that is 36.25 m lo
Roman55 [17]

The tower is 61.65 meters tall.

<u>SOLUTION: </u>

Given that, a pole that is 2.5 m tall casts a shadow that is 1.47 m long.  

At the same time, a nearby tower casts a shadow that is 36.25 m long.  

We have to find height of the tower.  

Now, we know that,

2.5 \mathrm{m} \text { tall } \rightarrow 1.47 \text { long shadow }

Then, (let it be) n meter tall \rightarrow 36.25 long shadow

So, by cross multiplication method,

\Rightarrow \frac{2.5}{1.47}=\frac{n}{36.25}

This can be written as,

\Rightarrow 36.25 \times 2.5=1.47 \times n \rightarrow 1.47 n=90.625 \rightarrow n=61.649 \rightarrow n=61.65 \text{ m}

Cross multiplications steps: (To find Single Variable)

  1. Multiply the numerator of the left-hand fraction by the denominator of the right-hand fraction.
  2. Multiply the numerator of the right-hand fraction by the denominator of the left-hand fraction.
  3. Set the two products equal to each other.
  4. Solve for the variable.
6 0
3 years ago
PLEASE HELP ASAP
cupoosta [38]

Answer: b

Step-by-step explanation: The graph shows that the maxiumum x is -1 and it can go lower. You plug them in and b is the right answer.

7 0
3 years ago
Calculate the volume of the cylinder.Round your answer to the nearest hundredth 6cm height and 2cm width
Anvisha [2.4K]
Assuming width=diameter
diameter/2=radius

area=hpir^2

w=d=2
d/2=2/2=1=r
h=6

area=6pi1^2
area=6pi1
area=6pi
aprox pi=3.141592
area=18.85 cm³


5 0
3 years ago
Read 2 more answers
Write the quadratic function f(x) = 3x2 - 6x + 9 in vertex form.
Y_Kistochka [10]
The answer is y=3(x-1)^2+6
7 0
2 years ago
Read 2 more answers
I don’t understand this, can someone help me?
eimsori [14]
Substitute all x in the equation to 1.6
∴6-4(1.6)=-1.6/4
∴-0.4=-0.4
∴Yes
8 0
3 years ago
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