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2 years ago

X/7-3=-6/7 How do I solve this

Mathematics

1 answer:

kumpel [21]2 years ago

5 0

Answer:

Alright well solve by cross multiplying

x = 15 Hope this helps have a nice day :)

Step-by-step explanation:

Now if u want i can explain with detail.

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3 years ago

Read 2 more answers

Need help with inscribed angles If M

Cloud [144]

Given:

In the given circle O, BC is diameter, OA is radius, DC is a chord parallel to chord BA and $m\angle BCD=30^\circ$ .

To find:

The $m\angle AOB$ .

Solution:

If a transversal line intersect two parallel lines, then the alternate interior angles are congruent.

We have, DC is parallel to BA and BC is the transversal line.

$\angle OBA\cong \angle BCD$ [Alternate interior angles]

$m\angle OBA=m\angle BCD$

$m\angle OBA=30^\circ$

In triangle AOB, OA and OB are radii of the circle O. It means OA=OB and triangle AOB is an isosceles triangle.

The base angles of an isosceles triangle are congruent. So,

$\angle OAB\cong \angle OBA$ [Base angles of an isosceles triangle]

$m\angle OAB=m\angle OBA$

$m\angle OAB=30^\circ$

Using the angle sum property in triangle AOB, we get

$m\angle OAB+m\angle OBA+m\angle AOB=180^\circ$

$30^\circ+30^\circ+m\angle AOB=180^\circ$

$60^\circ+m\angle AOB=180^\circ$

$m\angle AOB=180^\circ-60^\circ$

$m\angle AOB=120^\circ$

Hence, the measure of angle AOB is 120 degrees.

4 0

2 years ago

CAN LIKE BOTS JUST ACTUALLY BE QUIET; ANYONE PLS HELP I HAVE BEEN REPOSTING U GUYS CAN SEE IT PLS JUST PLS HELP ME I BEG U

vovikov84 [41]

Answer:

y = -5x - 3

Step-by-step explanation:

sry try this

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2 years ago

Which of the following is a coefficient in -11x + 9m + 7? There may be more

andreyandreev [35.5K]

Answer: -11 & 9

Step-by-step explanation: Coefficients are the numbers before the variables.

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2 years ago

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3 years ago