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Tema [17]
2 years ago
7

Please i need help with this one​

Mathematics
1 answer:
swat322 years ago
4 0

Answer:

Step-by-step explanation:

use formula

F = 1/2*sqrt[ 4* r^2 -CD^2 ]  

F = 4.4721

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A 21 inch piece of steel is cut into three pieces so that the second piece is twice as long as the first, the third piece is 3 i
mestny [16]
3f+3=t
s=2f
21=f+s+t                       

21=f+(2f)+(3f+3)
21=6f+3
18=6f

3=first
6=second
12=third


8 0
3 years ago
Please help me ASAP! Triangle ABC is located at A (2, 3), B (4, 4), and C (6, 3). Zackary says that triangle ABC is an isosceles
son4ous [18]
<h2>Hello!</h2>

The answer is:

The second option,

Zackery, because AB=BC

<h2>Why?</h2>

To identify which type of triangle is the triangle formed by the given points, first, we need to calculate the distance between the points.

So, finding the distances we have:

From A to B: (2,3) and (4,4)

distance=\sqrt{(x_2-x_1)^{2} +(y_2-y_1)^{2}}\\\\distance=\sqrt{(4-2)^{2} +(4-3)^{2}}=\sqrt{2^{2} +1^{2} }=\sqrt{4+1}=\sqrt{5}=2.24units

From B to C: (4,4) and (6,3)

distance=\sqrt{(x_2-x_1)^{2} +(y_2-y_1)^{2}}\\\\distance=\sqrt{(6-4)^{2} +(3-4)^{2}}=\sqrt{2^{2} +(-1)^{2} }=\sqrt{4+1}=\sqrt{5}=2.24units

Hence, since the distances AB and BC are equal, the triangle is an isosceles triangle, so the answer is:

Zackery, because AB=BC

Have a nice day!

7 0
3 years ago
3. (02.02 MC)
LenaWriter [7]

Answer:

O -1+ 3/

Step-by-step explanation:

brainest plz

8 0
3 years ago
Solve for (0)<br> 12<br> 15<br> Round to the nearest hundredth
Nataly [62]

Answer:

.014

Just trust me, you know I have your back

5 0
3 years ago
Help to solve -7 - 3a = 1 - 4a
Evgesh-ka [11]

Answer:

-7 - 3a = 1 – 4a  

Step one: Add 4a to -3a  

 

-7 + a = 1  

 

Step two: Add 7 to 1  

 

A = 8  

 

You're done! A=8 for this problem!  

 

 

Hopefully this helps! Feel free to mark brainliest!  

6 0
3 years ago
Read 2 more answers
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