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kifflom [539]
3 years ago
9

And this one. please and tyy

Mathematics
1 answer:
uysha [10]3 years ago
3 0
The answer is h! Hope this helps!
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How do i solve this for x
Lostsunrise [7]
C) The 2 triangles are similar , then we can write:

5x/45 = 20/36 . Cross multiplication:

5x*36 = 45*20
180x = 900   and x = 900/180 , x = 5 (and 5x = 25)

d) Remember the proportionality theorem (or Thales')
You can write the following proportion:
GH/HJ = KL/LM
8/6 = 10/x . Cross multiplication:

8x = 60 and x = 60/8 , x = 7.5

3 0
2 years ago
Let f(x)=x+8and g(x)=x^2-6x-7. Find f(g(2))
posledela

The answer is a. -7


1. Find g(2).

2. Find f(g(2)).

g(x) = x² - 6x - 7

x = 2 ⇒ g(2) = ?

g(2) = 2² - 6·2 - 7 = 4 - 12 - 7 = -15

2. f(x) = x + 8

g(2) = -15

f(g(2)) = f(-15) = -15 + 8 = -7


3 0
3 years ago
What is 2/3 divied by 4/5 (kcf)
Alexandra [31]
The answer would be 5/6
3 0
3 years ago
A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boa
ser-zykov [4K]

Answer:

t=4h

Steps below

Step-by-step explanation:

We know:

speed of boat with respect to earth:  13  km

speed of stream with respect to earth:  4 km

13 km/h + 4 km/h = 17 km/h The time to travel 68 km with this speed is thus t = 68 km 17 km h = 4 h

<em><u>Hope this helps.</u></em>

4 0
3 years ago
What is the length of the hypotenuse of a right triangle with legs that are 7 and 8 inches
Mrrafil [7]
B). 10.63
Because 7^2=49 and 8^2=64 then 49+64=113 then the square root of 113 is 10.63
5 0
3 years ago
Read 2 more answers
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