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3 years ago

What is the value of y? Enter your answer in the box

Mathematics

2 answers:

melomori [17]3 years ago

7 0

ANSWER

The value of y is
$5$

EXPLANATION

The given triangle is isosceles.

The base angles are 75° each.

The sum of the interior angles must be 180°

This implies that,

$4y + 10 + 75 + 75 =180 \degree$

We simplify to get,

$4y + 160 = 180$

We group like terms to get,

$4y = 180 - 160$
This will give us,

$4y = 20$

We divide through by 4 to get,

$y = 5$

igor_vitrenko [27]3 years ago

5 0

Answer:

The value of Y is 5.

Step-by-step explanation:

I am assuming you're asking of this particular question?

If so, start out by creating a theory that if both sides of the triangle are marked as "equal" with one mark, then both angles of B and C should be equal as well. So, in other words, 75 = (3x). Or, in more simpler terms, 75 = 75.

With that in mind, we'll now add all angles to equal 180 since this shape is a triangle. 75 + 75 + (4y+10) = 180.

Add similar terms, 150 + (4y+10) = 180.

Subtract 150 from both sides; (4y+10) = 30.

Subtraction Property of Equality (Subtract 10 from both sides); 4y = 20.

Finally, divide both sides by 4. Y = 5.

I hope this helped~♥

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A room has three lightbulbs. Each one has a 30% probability of burning out within the month. Write the probability as a percenta

lesantik [10]

Answer:

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Step-by-step explanation:

Let the three bulbs be A, B and C respectively.

Let P(A) denote the probability that the first bulb will burn out

Let P(B) denote the probability that the second bulb will burn out

Let P(C) denote the probability that the third bulb will burn out

Now, we are told that Each one has a 30% probability of burning out within the month.

Thus;

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Now, probability that at the end of the month at least one of the bulbs will be lit will be given as;

P(at least one bulb will be lit) = 1 - (P(A) × P(B) × P(C))

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A logical conclusion would say “Kelly is 15 minutes late to school.”

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3 years ago

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3 years ago

Read 2 more answers

How do I answer this Question? It’s phythagoras theorem!

zhuklara [117]

Answer:

C = 11.18 D= 20

Step-by-step explanation:

Let's start with C

Square root both areas of the squares

$\sqrt{25} =5$

$\sqrt{100}=10$

Then use the Pythagoras Theorem: $a^{2} +b^{2} =c^{2}$

$10^{2} +5^{2} =125$

$\sqrt{125} =11.18033989$ = C

Moving on to D

Square root both areas of the squares

$\sqrt{841} =29$

$\sqrt{441} =21$

29 is the hypotenuse, we are trying to find the other leg, so:

$29^{2} -21^{2} =400$

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a tiny but horrible alien is standing at the top of the empire state building (which is 443443443 meters tall) and threatening t

Aleonysh [2.5K]

The angle for shooting laser gun should be 89.98°.

The vertical height where a tiny but horrible alien is standing is given as 443443443 meters. The horizontal distance of a men in black agent from building is given in the question as 181818 meters. So, let us assume the angle formed to be theta (θ).

Writing the formula for tan theta, that relates the given height and distance

Now, tan θ = vertical height ÷ horizontal distance

Keep the values in above mentioned equation of theta to find the angle.

tan θ = $\frac{443443443}{181818}$

Performing division to find the tan theta and subsequently calculate the angle

tan θ = 2438.94

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Calculating tan inverse to find the value of theta

θ = 89.98°

Therefore, the angle for shooting laser gun by a men in black agent should be 89.98°.

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1 year ago