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fenix001 [56]
3 years ago
13

A 20 foot long flag pool casts a 8 foot long shadow. At the same time the oak tree casts a 12 foot shadow. How tall is Is the oa

k tree?
Mathematics
1 answer:
Orlov [11]3 years ago
3 0
It depends on where the sun is but the answer is 22 but my math could be wrong
You might be interested in
Which systems of equations intersect at point A in this graph?
abruzzese [7]

Answer:

The point of intersection of the system of equations is:

(x, y) =  (-2, 1)

The correct system of equations intersect at point A in this graph will be:

\begin{bmatrix}y=4x+9\\ y=-3x-5\end{bmatrix}

Thus, the second option is correct.

Step-by-step explanation:

Given the point

  • A (-2, 1)

Let us check the system of equations to determine whether it intersect at point A in this graph.

Given the system of equations

\begin{bmatrix}y=4x+9\\ y=-3x-5\end{bmatrix}

Arrange equation variable for elimination

\begin{bmatrix}y-4x=9\\ y+3x=-5\end{bmatrix}

so

y+3x=-5

-

\underline{y-4x=9}

7x=-14

so the system of equations becomes

\begin{bmatrix}y-4x=9\\ 7x=-14\end{bmatrix}

Solve 7x = -14 for x

7x=-14

Divide both sides by 7

\frac{7x}{7}=\frac{-14}{7}

Simplify

x = -2

For y - 4x = 9 plug in x = 2

y-4\left(-2\right)=9

y+4\cdot \:2=9

y+8=9

Subtract 8 from both sides

y+8-8=9-8

Simplify

y = 1

Thus, the solution to the system of equations is:

(x, y) = (-2, 1)

From the attached graph, it is also clear that the system of equations intersects at point x = -2, and y = 1.

In other words, the point of intersection of the system of equations is:

(x, y) =  (-2, 1)

Therefore, the correct system of equations intersect at point A in this graph will be:

\begin{bmatrix}y=4x+9\\ y=-3x-5\end{bmatrix}

Thus, the second option is correct.

3 0
3 years ago
I need the answer please I don't know it
Vlad1618 [11]
Basically the question is asking you for the area of the triangle.
The formula to find the area of a triangle is base x height divided by 2.
So in this case you would do 27 x 15.5 = 418.5
Now you divide by 2 (209.25)
So the answer is D. Hope this helps!!
6 0
3 years ago
Can't find what c equal's
LiRa [457]
C equals 17.5 you have to cross multiply to find what c is equal to
8 0
2 years ago
Read 2 more answers
Solve the equation the square root of the quantity x minus 6 plus 2 equals 6 for the variable.
Andrej [43]
X-6+2=6
X=2
2-6=4
4+2=6
7 0
3 years ago
Read 2 more answers
A stadium has 10,500 seats and 8 vip boxes. The stadium is divided into 12 equal sections: 2 premium sections and 10 standard se
algol [13]
10500\10= 1050
1050 in each section
1050
4 0
2 years ago
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