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Contact [7]
3 years ago
5

The graph if a function is always a straight line true or false

Mathematics
1 answer:
HACTEHA [7]3 years ago
4 0
This statement is false. Graphs of functions are NOT always straight lines. 
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I NEED HELP ASAP PLEASE
Olenka [21]
You have to use the geometric mean of right triangles here.  Your ratio is set up like this:  \frac{3}{y} = \frac{y}{12+3}.  That gives you  y^{2} =45 and that y =3 \sqrt{5}.  To find z in the second part, use the Pythagorean Theorem.  z^{2} =(3 \sqrt{5} ) ^{2} -(3) ^{2} and z = 6.  In the third part, the student should have had the length of the hypotenuse as the denominator in the second ratio, which is 8.  So your answer there is the second one down.  In order to do that last one you need to find the hypotenuse in the triangle that has legs of 4 and 10.  Using Pythagorean's theorem we find that that length is \sqrt{116}.  Now set up your geometric mean:  \frac{4}{ \sqrt{116} }= \frac{ \sqrt{116} }{x+4}.  Cross multiply to get 4x + 16 = 116 and that 4x = 100.  Solve for x to get x = 25
6 0
3 years ago
Water flows from a spigot at a rate of 1.6 gallons per minute. How long will it take to fill a 4-gallon bucket?,
lys-0071 [83]

Answer:

Step-by-step explanation:

Given

Rate of flow = 1.6gallons per minute

Amount of gallon bucket = 4gallons

Required

Time taken to fill 4gallon bucket

Rate = Amount of gallon/Time

Time = Amount of gallon/Rate

Time = 4/1.6

Time = 2.5

Hence it will make 2.5minutes to fill 4gallon bucket

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2 years ago
1000000000+100000000000/42544*0
jolli1 [7]

Answer:

1,000,000,000

Step-by-step explanation:

5 0
2 years ago
A building has a window that is 12 feet high. Stan is going to use a ladder to get up to the window and decides to keep the ladd
olasank [31]
Answer=13 feet long

This information describes a right triangle, with sides 5ft and 12ft.

a²+b²=c²
5²+12²=c²
25+144=c²
169=c²
√169=√c²
13=c

The ladder needs to be 13ft long
3 0
3 years ago
Question 7 (5 points)
vekshin1

Answer:

D.7

Step-by-step explanation:

4 - ( - 3) = 4 + 3(because \:  -  \times  - ) \: it \: is \: positive \\  = 7

4 0
2 years ago
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