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3 years ago

Find the value of x for which l is parallel to m

Mathematics

1 answer:

laila [671]3 years ago

6 0

If it is parallel then x would be A) 28

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given that BD is the median of ABD and that ABD is isosceles congruence postulate SSS can be used to prove which of the followin

Alja [10]

It is given in the question that

BD is the median. So it divides the opposite sides in two equal parts .

Therefore in triangles BAD and BCD,

AB and AC are congruent because of isosceles triangle.

AD and CD are congruent because of the median BD.

And BD and BD are congruent .

So the two triangles are congruent by SSS and the correct option is the first option .

3 0

3 years ago

Read 2 more answers

Find the product.

dlinn [17]

The correct answer of the given expression above would be the last option. We just solved this using the distributive property.
So: (a - 3)(a - 5)
a^2 -3a -5a + 15
a^2 -8a + 15
Hope this is the answer that you are looking for. Have a great day!

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3 years ago

If 9m=5n then m/n=?

Anettt [7]

Step-by-step explanation:

$9m = 5n$

$\frac{m}{n} = \frac{5}{9}$

7 0

3 years ago

What is √10/√3 in simplest radical form?

kotykmax [81]

(√10)/(√3)*(√3)/(√3); multiplied by the conjugate which is = (√30/3)

7 0

3 years ago

A red kangaroo hops at an average speed of 20km per hour. How fast is this in meters per minute?

masya89 [10]

Answer:

333.3 meters per minute

Step-by-step explanation:

The best way to solve this problem is using dimensional anaysis. First, we write out our starting units, that being 20km/1hr. We have to keep in mind that we want to change the kilometers to meters and the hours to minutes.

$\frac{20km}{1hr}$

We know that there are 1000 meters in 1 kilometer. We add this to the dimensional analysis as 1000m/1km. We write it as this because we want the kilometers to cancel each other out. We only want the meters.

$= \frac{20km}{1hr} *\frac{1000m}{1km} ...$

We also know that 1 hour is 60 minutes. We add this to the analysis as well so that the hours cancel each other.

$= \frac{20km}{1hr} *\frac{1000m}{1km} * \frac{1hr}{60min}$

We now solve this expression. Since both the kilometers and the hours cancel out, we have meters per minute as our unit. All that's left are the numbers.

= (20*1000*1)/(1*1*60) m/min

= 333.3 meters per minute

8 0

3 years ago