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LiRa [457]
3 years ago
14

Choose the graph below that meets all three of the following requirements:

Mathematics
2 answers:
iogann1982 [59]3 years ago
8 0

Answer:

Graph D (last one)

Step-by-step explanation:

edge

zmey [24]3 years ago
6 0

Answer:

Your answer would be D

Step-by-step explanation:

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Number two is thirty weeks
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3 years ago
The market price of a house is directly proportional to the total area of the house in square feet. If the price of a 1,500 squa
IrinaK [193]

Answer:

The price of a 2,000 square foot home is \$400,000

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

Let

x -----> the total area of the house in square feet

y -----> the price of the house

we have

The point (1,500,300,000)

Find the constant of proportionality k

k=y/x

substitute

k=300,000/1,500=200

The direct equation is equal to

y=200x

so

For x=2,000\ ft^{2}

Find the value of y

substitute the value of x in the equation

y=200(2,000)

y=\$400,000

5 0
3 years ago
Please help asap im confused
anyanavicka [17]

Answer:

B

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Which statement could be used to explain why f(x) = 2x – 3 has an inverse relation that is a function? The graph of f(x) passes
alina1380 [7]

Answer:

f(x) is a one to one function.That maps out one function to another ,and it therefore passes both the vertical and horizontal I ine test



7 0
2 years ago
Read 2 more answers
to estimate the height of the jin mao tower in shanghai , a tourist sights the top of the tower form a mirror that is 86.7 meter
Ray Of Light [21]

Answer:

The height of the tower = 420.48 meters

Step-by-step explanation:

For better understanding of the solution, see the figure attached below :

Let the height of the tower be x meters

Now, using the laws of reflection : angle of reflection = angle of incidence

Also, both the tower and the tourist are standing parallel to each other

⇒ ∠A = ∠i ( Alternate interior angles are equal)

Similarly, ∠D = ∠r ( Alternate interior angles)

But, ∠i = ∠r

⇒ ∠A = ∠D

Also, the tourist and the tower is perpendicular to the ground surface.

⇒ m∠B = m∠E = 90°

Now, in ΔABC and ΔDEC

∠A = ∠D (Proved above)

m∠B = m∠E = 90°

So, by AA postulate of similarity of triangles, ΔABC ~ ΔDEC

As the sides of similar triangles are proportional to each other

\frac{AB}{DE}=\frac{BC}{EC}\\\\\implies\frac{1.92}{x}=\frac{0.4}{87.6}\\\\\implies x=\frac{87.6\times 1.92}{0.4}\\\\\bf\implies x = 420.48\textbf{ meters}

Hence, The height of the tower = 420.48 meters

5 0
3 years ago
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