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3 years ago

In the figure given below L || m .find the value of x

Mathematics

1 answer:

sergejj [24]3 years ago

3 0

Answer:

x = 30

Step-by-step explanation:

Since l and m are parallel, then

3x + 10 = 40 + 60 = 100 ( subtract 10 from both sides )

3x = 90 ( divide both sides by 3 )

x = 30

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Worth 30 pints please help

beks73 [17]

Answer:

a. ∠B

b. DC

Step-by-step explanation:

a. Since ABCDE and GHJDF are similar shapes, this implies that the angle of one point in one shape is equal to another angle of one point in the other shape. In this case, ∠H is equivalent to ∠B because they share the same relative point between the shapes. You can also approach this question by identifying that H is the second letter in the shape name. If you look at B, you will also notice that the second letter in the shape name is B.

b. Just like in part a, you are trying to find one relative value in one shape that is equal to the other shape. Look at the left side of the equation, you will notice that it is a ratio of sides. The goal is to match the left with the right side. The ratio is side GH:DJ. Notice that it is a ratio of the top right side to the bottom side of the shape. If you follow this format for shape ABCDE , you will notice that the top right side is AB and the bottom side is DC. Since the question is just asking for the denominator of the ratio, your answer is just DC

5 0

3 years ago

You roll a standard 6-sided die. Find the expected value for each experiment.

xz_007 [3.2K]

Answer:

a.) Expected value on earning points= 21

b.) Expected value on earnings for composites = -1

Step-by-step explanation:

Expected value = [(6*1 + 6*2 + 6*3 + 6*4 + 6*5 + 6*6 ) ]* (1/6) = 6*(7)/2 = 21

b.) how many composite numbers from 1 to 6

4 and 6

so...

Expected Value of earning = [(-6*1 - 6*2 - 6*3 + 6*4 - 6*5 + 6*6 ) ]* (1/6) =

-1 - 2 - 3 + 4 - 5 + 6 = -1

7 0

4 years ago

What is the opposite? 1) -10 2) -35 3) 124) 100 5) 1 6) X

torisob [31]

Solution

The opposite of a is just -a, taking in count this definition we have this

1) -(-10)=10

2) -(-35)=35

3) -12

4) -100

5) -1

6) -X

7 0

1 year ago

Ou toss a coin (heads or tails), then spin a three-color spinner (red, yellow, or blue). Complete the tree diagram, and then use

abruzzese [7]

The tree diagram that represents the events is an illustration of probability and combination

<h3>The tree diagram</h3>

To draw the tree diagram, we make use of the following representations:

H for heads, T for tails,
R for red, Y for yellow, and B for blue.

See attachment for the tree diagram.

<h3>The sample space and the outcomes</h3>

From the tree diagram, the sample space is as follows:

S = {HR, HY, HB, TR, TY, TB}

<h3>The number of outcomes that represents "Toss a tail, spin yellow"</h3>

This is represented as: TY

From the sample space above, we have:

TY = 1

Hence, the number of outcomes that represents "Toss a tail, spin yellow" is 1

<h3>The probability</h3>

We have:

TY = 1

Sample size = 6

Hence, the of tossing tails and spinning yellow is 1/6