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2 years ago

Solve the equation and write a text explaining every step of your solution. 4 - 3x = 14 - 5x

Mathematics

1 answer:

Svetradugi [14.3K]2 years ago

8 0

Answer: 14 - 5 x 5 = -11, and 4 - 3 x 5 = -11.

Step-by-step explanation:

what i did here was just plug in some numbers until the equations reached the same solution. there are probably better ways to do this but i hope this helps anyway.

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2 years ago

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3 years ago

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Solve the equation for t. (t-7)^2+18=9

Anika [276]

Answer:

t = 7 + 3i

Step-by-step explanation:

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2 years ago

Point B is a point of tangency. Find the radius r of OC.<br> А 9<br> B<br> r<br> n

insens350 [35]

Answer:

Radius, r, is 3.75

Step-by-step explanation:

From the given diagram,

AB = 9

AC = 6 + r

BC = r

Thus applying the Pythagoras theorem, we have;

$/AC/^{2}$ = $/AB/^{2}$ + $/BC/^{2}$

$(6 + r)^{2}$ = $9^{2}$ + $r^{2}$

36 + 12r + $r^{2}$ = 81 + $r^{2}$

collecting like terms,

12r = 81 - 36

12r = 45

r = $\frac{25}{12}$

= 3.75

r = 3.75

The radius is 3.75.

3 0

2 years ago