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Slav-nsk [51]
3 years ago
8

Helpppppp pleaseeeeee

Mathematics
1 answer:
Natalija [7]3 years ago
8 0

Answer:

a) Scalene

b) Scalene

c) Isosceles

Step-by-step explanation:

Here, we want to get the type of triangle with the given side lengths

a) 2,5,4

All the side lengths are different, the triangle type is scalene triangle

b) 9,12,13

All side lengths are different, the triangle type is scalene triangle

c) 4,4,9

Two side lengths are equal

The triangle type is an isosceles triangle

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Electrical energy is converted into which three forms of energy by a hair dryer?
mylen [45]
Air energy
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3 years ago
Chad drove 168 miles in 3 hours. How many miles per hour did chad drive? Chad will drive 672 more miles. He continues to drive a
larisa86 [58]

168/3 = 56

<em>Therefore, Chad is driving the car in 56 mph.</em>

672/56 = 12

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3 0
3 years ago
A doctor estimates that a particular patient is losing bone density at a rate of 3% annually. The patient currently has a bone d
kompoz [17]

Answer:

The function f(x) is represented by:

f(x)=1500(0.97)^x

Hence, a=1500 and b=0.97

Step-by-step explanation:

The patient currently has a bone density of 1,500 kg/mg^3.

A doctor estimates that a particular patient is losing bone density at a rate of 3% annually.

This means that the bone density that is remaining is:

100-3=97%

which is also represented as: 97%=97/100=0.97

Hence, the function f(x) that represents the bone density after x years is represented by:

f(x)=a(0.97)^x

where a is the initial bone density which is given to be: 1500 kg/mg^3.

Hence, the function is:

f(x)=1500(0.97)^x

6 0
3 years ago
Read 2 more answers
The area of the sector formed by the 110 degree central angle is 40 units squared what is the radius
olga2289 [7]
We know that
area of the circle=pi*r²

if 360° (full circle) has an area of-------------> pi*r²
110°------------------------------> 40 units²
pi*r²=40*360/110--------> pi*r²=130.91------> r²=130.91/pi-----> r²=41.69
r=6.46 units

the answer is
the radius is 6.46 units
7 0
3 years ago
3x - 7x =4<br> I need you to help me solve and work it out
djyliett [7]
3-7 is -4 so it becomes -4x=4 divide both sides by 4 to get -x=-1 a lot of teachers dont like that negative x so you can also divide by -1 again to make it x=1
hope it helps
4 0
3 years ago
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