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grandymaker [24]
2 years ago
10

Help pls

Mathematics
1 answer:
Serga [27]2 years ago
6 0

Answer:

x=0 and y=5

Step-by-step explanation:

8x-25+2x=-25

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A triangle has sides of lengths 9,7, and 12. Is it a right triangle? Explain.
Alex Ar [27]

Answer:

A triangle has sides of lengths 9,7, and 12 is not a right triangle .

7 0
3 years ago
(3x - 20°<br> (3x – 20)°<br> 4xº<br> 4xº<br> (3x – 20°<br> (3x – 20)<br> What is the value of x?
sergij07 [2.7K]

Step-by-step explanation:

<h3>this is given that the figure is a hexagon</h3><h3>let give a name to the given hexagon be ABCDEF</h3>

<h3>Angle a + B + C + D = 720 ( Ls sum pro. of hexagon)</h3><h3>3x-20+3x-20+4x+4x+3x-20+3x-20 = 720</h3><h3>3x+3x+3x+3x+4x+4x-20-20-20-20 = 720 (rearranging)</h3><h3>20x - 80 = 720</h3><h3>20x = 720 + 80 </h3><h3>x=800/20</h3>

<h2>x = 40 degrees </h2>

<h3>3x-20 = 100</h3><h3>4x = 160</h3>

<h2>I HOPE THAT THIS ANSWER HELPS YOU</h2>
8 0
2 years ago
X^3 = ? Please write the answer correctly.
photoshop1234 [79]

Answer: (x)(x)(x) = x^3.

Step-by-step explanation:

x^3 means multiply x by it's self 3 times.

Hope this helps..

4 0
3 years ago
Read 2 more answers
Evaluate the function h(x)= 2x-1 find h(4)
prohojiy [21]

Answer: h(4) = 7

Step-by-step explanation:

Given h(x)= 2x-1

Find h(4)

Solution:

Substitute x = 4 into the equation

h (4) = 2 (4) - 1

h (4) = 8 - 1

h (4) = 7

5 0
3 years ago
A sixth number will be added to the list. What must it be in order for the mean to be 12?
Nataliya [291]
The sixth number should be 16 in order for the mean to be 12
7 0
2 years ago
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