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MAXImum [283]
2 years ago
7

What’s the lengths of the sides using pythagoras

Mathematics
1 answer:
Eduardwww [97]2 years ago
5 0

Answer:

height and the base your take height you square it then you square the base then you -

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Base=30cm<br> Heights=20cm <br> Find the X?
Leviafan [203]

Answer: 25

Assuming the dotted line touches the middle of the base of the triangle,

Using Pythagoras Theorem,

(30/2)^2 + (20)^2 = x^2

x^2 = (15)^2 + 400

x^2 = 625

x = √625 or -(√625)

x = 25 or -25

But since x needs to be a positive value,

x = 25

8 0
4 years ago
Read 2 more answers
Which equation of a line contains the points (-10,15) and (8, -3) and is parallel to y +4= -(x - 1)?​
JulijaS [17]

Answer:

y= -x+5

Step-by-step explanation:

<em>The</em><em> </em><em>slop</em><em>e</em><em> </em><em>of</em><em> </em><em>th</em><em>e</em><em> </em><em>two</em><em> </em><em>paral</em><em>lel</em><em> </em><em>lin</em><em>es</em><em> </em><em>is</em><em> </em><em>equ</em><em>al</em>

<em>so</em><em>,</em><em> the</em><em> slope</em><em> of</em><em> </em>

<em>y</em><em>=</em><em>-x-3</em><em> </em><em>is</em><em> </em><em>-</em><em>1</em><em> </em>

<em>slo</em><em>pe</em><em>=</em><em>y2-y1</em><em>/</em><em>x2-x1</em><em>=</em><em>-</em><em>3</em><em>-</em><em>1</em><em>5</em><em>/</em><em>8</em><em>-</em><em>-</em><em>1</em><em>0</em><em>=</em><em>-</em><em>1</em>

<em>the</em><em> </em><em>equa</em><em>tion</em><em> </em><em>of</em><em> </em><em>t</em><em>he</em><em> </em><em>line</em><em> </em><em>i</em><em>s</em>

<em>y-15</em><em>=</em><em> </em><em>-</em><em>1</em><em>(</em><em>x--10</em><em>)</em>

<em>y</em><em>=</em><em> </em><em>-x-10</em><em>+</em><em>1</em><em>5</em>

<em>y</em><em>=</em><em> </em><em>-x</em><em>+</em><em>5</em>

4 0
3 years ago
Erin is 8 years younger than twice Paula’s age. The sum of their ages is 40. How old is Erin
Lina20 [59]
You do the sum(40) subtracted by 8, the answer from that divided by 2 since Erin's two times younger.
40-8=32
32÷2=16
Then if you want to check it you do the opposite and get the same sum(40) so 16×2=32 and 32+8=40
6 0
3 years ago
3+ 1/4X=2 Solve for X
Shalnov [3]
3 + 1/4x = 2.....subtract 3 from both sides
1/4x = 2 - 3
1/4x = -1...multiply both sides by 4, eliminating the 4 on the left side
x = -1 * 4
x = -4
3 0
4 years ago
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Subtract 8 from n then divide m by the result
Likurg_2 [28]

What exactly is n? I need to know n so I can figure out m.

4 0
4 years ago
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