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Phoenix [80]
2 years ago
9

The ratio of corresponding side of similar triangles is 5:2, then find the ratio of their areas ​

Mathematics
1 answer:
aleksandrvk [35]2 years ago
7 0

Answer:

25:4

Step-by-step explanation:

The ratio of the sides is 5:2

The ratio of the areas is the scale factor squares

5^2 : 2^2

25:4

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Please help me!! This is algebra 1
MatroZZZ [7]

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so, domain is {-2, -1, 0, 1, 2, 3}...........Answer

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We know that

range is all possible values of y at which x is defined

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so, range is {-3, -1, 1, 3,5, 7}...........Answer


7 0
3 years ago
HELP ASAP!!! WILL MARK BRAINLIEST A proportional relationship between the number of pounds of potatoes (x) and the price in doll
Snezhnost [94]

Answer:

with proportional relationships, you can simply divide the y coordinate by the x coordinate to find the unit rate: In this case, if (5,4) lies on the line then you have 5 lbs of potatoes for 4 dollars or .80 cents for 1lb of potatoes. The point (10,8) represents 10 lbs of potatoes for 8 dollars. Here you can see that dividing 8 by 10 we once again get the unit rate of .80 cents per 1 lb of potatoes.

x = lbs of potatoes and y = price(4,3)....this means 4 lbs of potatoes cost $ 33/4 = 0.75 cents per lb <== 1 lb of potatoes cost 0.75(8,6)...this means that 8 lbs of potatoes cost $ 6

Hope this helps

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4 0
3 years ago
Read 2 more answers
lisa is 50. she is twice as old as her little brother sam. sam is 3 times younger than their oldest sibling Brad. How old are Br
Tamiku [17]

Lisa is 50 years

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Brad is 25 * 3 = 75 years

4 0
3 years ago
Read 2 more answers
Given the parametric equations, x = 2t + 5 and y = 3t^2 - 1, find the point on the graph at time, t = 4.
Tpy6a [65]

Answer: (13, 47)

The expression t = 4 means that 4 units of time have come off the clock (possibly 4 seconds). Plug this value into each equation given for x and y

x = 2*t + 5 = 2*4 + 5 = 8 + 5 = 13

y = 3*t^2 - 1 = 3*4^2 - 1 = 3*16 - 1 = 48 - 1 = 47

In short, if t = 4 then it leads to x = 13 and y = 47 at the same time. These x and y values pair up to get the final answer (13,47)

8 0
3 years ago
Let f(x)=5e^3x and g(x)=2/3ln(5x); find (f(g))(2)
Sedbober [7]

Answer:

<h2>a) 500</h2>

Step-by-step explanation:

(f\circ g)(x)=f\bigg(g(x)\bigg)\\\\(f\circ g)(2)=f\bigg(g(2)\bigg)\\\\f(x)=5e^{3x},\ g(x)=\dfrac{2}{3}\ln(5x)\\\\(f\circ g)(x)\to\text{in}\ f(x)\ \text{replace}\ x\ \text{with the expression}\ \dfrac{2}{3}\ln(5x):\\\\(f\circ g)(x)=5e^{3\cdot\frac{2}{3}\ln(5x)}=5e^{2\ln(5x)}\qquad\text{use}\ \ln a^n=n\ln a\\\\(f\circ g)(x)=5e^{\ln(5x)^2}\qquad\text{use}\ a^{\log_ab}=b\\\\(f\circ g)(x)=5(5x)^2=5(5^2x^2)=5(25x^2)=125x^2\\\\(f\circ g)(2)\to\text{put}\ x=2\\\\(f\circ g)(2)=125(2^2)=125(4)=500

3 0
2 years ago
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