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3 years ago

14

The access code for a car’s security system consists of five digits. The first digit cannot be zero. How many different codes ar

e available?

1 answer:

Leviafan [203]3 years ago

4 0

Answer:

45,000 different codes

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2 years ago

∠5 is a supplement of ∠6, and m∠5=78°. Find m∠6.

vekshin1

Answer:

$102^\circ$

Step-by-step explanation:

Given that:

$\angle 5$ is a supplement of $\angle 6$ .

m $\angle 5$ = 78°

To find:

m $\angle 6$ = ?

Solution:

First of all, let us learn about the concept of an angle being a supplement of the other angle.

$\angle B$ is known as supplement of $\angle A$ , if sum of the two angles is equal to 180°.

$i.e. \angle A +\angle B=180^\circ$ .

For example, angle made on one side by a line intersecting the other line are supplement of each other.

Here, we are given that $\angle 5$ is a supplement of $\angle 6$ .

In other words:

$\angle 5+\angle 6=180^\circ$

Putting value of $\angle 5$ :

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So, the answer is: $102^\circ$

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