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Ivan
3 years ago
10

If BD is both the altitude and median of ΔABC then ΔABC is _____.

Mathematics
1 answer:
frutty [35]3 years ago
7 0
The answer is C./isoceles
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What is the answer to this
s2008m [1.1K]

Answer:

x = 9/5

Step-by-step explanation:

4 0
3 years ago
For which value of a does the following system of equations have no solution? -x+6y=7 , -5x+10ay=32
dlinn [17]

Remark

If the lines are parallel, there are no solutions to the system of equations. Start with the equation you know the most about.

x + 6y = 7                Subtract x from both sides

x - x + 6y = 7 - x      Combine

6y =  - x + 7             Switch and divide by 6

y = -x / 6 + 7/6

The general equation for a line is y = mx + b where m is the slope of the line.

m = - 1/6

================

Now look at the second equation

10ay - 5x = 32               Add 5x to both sides

10ay = 5x + 32              Divide by 10a

y = (5/10a)x + 32/(10a)  

===============

Now you must make

5/10a = - 1/6                     Cross Multiply

5* 6 = - 10a * 1

30 = - 10a                        Divide by - 10

a = 30 / - 10

a = - 3

So these two equations will have no solution when a = - 3



8 0
3 years ago
A cylinder has a radius of 10cm and a height of 9cm. A cone has a radius of 10cm and a height of 9 cm. Show that the volume of t
nlexa [21]

Answer:

The answer in the procedure

Step-by-step explanation:

step 1

Find the volume of the cylinder

The volume of the cylinder is equal to

V=\pi r^{2} h

we have

r=10\ cm

h=9\ cm

substitute

V=\pi (10)^{2}(9)=900\pi\ cm^{2}  

step 2

Find the volume of the cone

The volume of the cone is equal to

V=(1/3)\pi r^{2} h

we have

r=10\ cm

h=9\ cm

substitute

V=(1/3)\pi (10)^{2}(9)=300\pi\ cm^{2}  

therefore

we have

Vcylinder=900\pi\ cm^{2}  

Vcone=300\pi\ cm^{2}  

so

Vcylinder=3Vcone  

8 0
3 years ago
Which expression would provide the measure of angle N?
VikaD [51]

Answer:

The answers D) -1 (6/7)

6 0
3 years ago
SOLVE FOR x IN THE DIAGRAM BELOW
uysha [10]

Answer:

33

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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