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2 years ago

What is the value of X for this triangle?

Mathematics

2 answers:

Marina CMI [18]2 years ago

7 0

Answer = 50°

-A triangle adds up to 180°

-A straight line adds up to 180°

Because 105° is on the outer side of that line on the triangle,

We must substract 180° from 105° to get the angle on the inside of the triange (cause it’s a straight line)

which would be 75°

Now add up 75° and 55° = 130°

Since a triangle adds up to 180°,

180° - 130° = 50°

X = 50°

blagie [28]2 years ago

5 0

Hey Mate

Here is your answer

The Correct is 50° by exterior angle theorem.

Hope this helped u ;)

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Y is inversely proportional to a^3

Ludmilka [50]

Answer:

y = 0.64/x^3

Step-by-step explanation:

If y is inversely proportional to a^3, we can write the equation:

y * a^3 = k

Using a = 2 and y = 10, we have:

10 * 2^3 = k

k = 80

If a is directly proportional to x, we can write the equation:

a = c * x

Using x = 4 and a = 20, we have:

20 = c * 4

c = 5

Now, using the value of a = 5*x in the equation y * a^3 = 80, we have:

y * (5x)^3 = 80

y * 125x3 = 80

y = 80/(125x3) = 0.64/x^3

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2 years ago

What does 5 in = how many feet/foot?

timurjin [86]

Answer:

5/12

Step-by-step explanation:

Since 12 inches is one foot, the number has to be a fraction number. The answer is 5/12 feet.

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2 years ago

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Choose 3 points on the coordinate plane at the right and draw a triangle. Label the points with letters. Below, write the letter

Helga [31]

Answer:

yes

Step-by-step explanation:

7 0

2 years ago

An insect population in a lab has 2 ¹² insect. If the population double how many insect will be there?

Romashka-Z-Leto [24]

Answer:

8192

Step-by-step explanation:

2 ¹²= 4096

4096 x 2 = 8192

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3 years ago

Natalie paid $14.99 to join an online music service. If she purchases 9 songs each month at a cost of $0.99 per song, what will

liberstina [14]

Answer:

Natalie Spent $59.54 on songs after 5 months at online music service.

Step-by-step explanation:

Given:

Total membership cost =$14.99

Number of songs purchased in each month = 9

Cost per song = $0.99

We need to find total amount she had spent after 5 months.

Solution:-

So First we will Number of songs purchased in 5 months.

1 month = 9 songs

So in 5 months = Songs purchased in 5 months.

By Using Unitary method we get;

Songs purchased in 5 months = $9\times 5 =45\ songs$

Now Also Given:

1 song = $0.99

45 songs = Cost for 45 songs.

Again by using Unitary method we get;

Cost for 45 songs = $0.99\times45 = \$44.55$

No Total Amount Natalie spent after 5 months is equal to Total membership cost plus Cost of songs purchased in 5 months.

framing in equation form we get;

Total Amount Natalie spent = $\$14.99+\$44.55 = \$59.54$

Hence Natalie Spent $59.54 on songs after 5 months at online music service.

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3 years ago