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Advocard [28]
3 years ago
7

Help me: 8x13+7x13+6x13=

Mathematics
2 answers:
MAXImum [283]3 years ago
8 0
8•13=104
7•13=91
6•13=78

104+91+78=273
PtichkaEL [24]3 years ago
7 0
Use PEMDAS
P-Parenthesis
E- Exponents
M- Multiplication
D- Divison
A- Addition
S- Subtraction

8*13= 104
104+7*13+6*13
7*13= 91
104+91+6*13
6*13= 78
104+91+78= 273
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A tiny but horrible alien is standing at the top of the Eiffel Tower (which is 324324324 meters tall) and threatening to destroy
DedPeter [7]

Answer:

A tiny but horrible alien is standing at the top of the Eiffel Tower (which is 324 meters tall) and threatening to destroy the city of Paris! A Men In Black agent is standing at ground level, 54 meters across the Eiffel square, aiming his laser gun at the alien. At what angle, in degrees, should the agent shoot his laser gun? Round your final answer to the nearest tenth

The agent shoot his laser gun at 80.5 degree.

Step-by-step explanation:

Given:

Height at which the horrible alien is standing = 324 m

Distance from the (tower) where the agent is = 54 m

According to the question:

Men In Black agent is aiming his laser gun to shoot the horrible alien.

Let the angle at which the agent shoot his gun be " Ф "

As from the situated depicted we can draw a right angled triangle.

Using trigonometric ratios:

tan (Ф) = opposite/ adjacent

In triangle OPQ .

The adjacent side = 54 m

The opposite side = 324 m

⇒ Plugging the values.

⇒ tan(\phi) = \frac{opposite}{hypotenuse}

⇒  tan(\phi) = \frac{324}{54}

⇒ (\phi) = tan^-^1(\frac{324}{54})

⇒ \phi=80.53

Nearest tenth it is 80.5 degrees.

So,

Men In Black must shoot the laser gun at an angle of 80.5 degrees.

7 0
3 years ago
Events A1, A2 and A3 form a partiton of the sample space S with probabilities P(A1) = 0.3, P(A2) = 0.5, P(A3) = 0.2.
timurjin [86]

Answer:

Step-by-step explanation:

Given that events A1, A2 and A3 form a partiton of the sample space S with probabilities P(A1) = 0.3, P(A2) = 0.5, P(A3) = 0.2.

i.e. A1, A2, and A3 are mutually exclusive and exhaustive

E is an event such that

P(E|A1) = 0.1, P(E|A2) = 0.6, P(E|A3) = 0.8,

P(E) = P(A_1E)+P(A_2E)+P(A_3E)\\= \Sigma P(E/A_1) P(A_1) \\= 0.1(0.3)+0.5(0.6)+0.8(0.2)\\= 0.03+0.3+0.16\\= 0.49

P(A_1/E) = P(A_1E)/P(E) = \frac{0.3(0.1)}{0.49} \\=0.061224

P(A_2/E) = P(A_2E)/P(E) = \frac{0.5)(0.6)}{0.49} \\=0.61224

P(A_3/E) = P(A_3E)/P(E) = \frac{0.2)(0.8)}{0.49} \\=0.3265

4 0
4 years ago
What is the answer to this equation?<br>-104 = 8x​
Olegator [25]

Answer:

x=-13

Step-by-step explanation:

-104 divided by 8 to isolate x

4 0
3 years ago
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Find an exact value. (2 points) cos 15°
aalyn [17]

Answer:

wait...................

3 0
3 years ago
PLS GO FAST I AM GIVING BRAINLIEST <br> What is 1.048576e-14 worth
Mila [183]

Answer:

The metric prefixes value 1.048576E-14 E (exa) in words is "one point zero four eight five seven six one four E (exa)".

Step-by-step explanation:

-5 ^ -20 = 1.048576E - 14

negative five to the power of negative twenty equals one  decimal point zero four eight five seven sixE subtract fourteen.

3 0
3 years ago
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