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irina1246 [14]
3 years ago
9

What is the property of -4+4=0

Mathematics
2 answers:
Allushta [10]3 years ago
7 0
<h3>α α η s ω ε я : </h3>

what is the property of -4+4=0

  • Additive Inverse Property

kramer3 years ago
4 0

Answer:

what does this mean?

Step-by-step explanation:

:/

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A coin is tossed 8 times. Which of the following represents the probability of the coin landing on heads all 8 times?
ElenaW [278]

Answer:

\large\boxed{\large\boxed{Probability=1/256\approx  0.0039}}

Explanation:

Since, there are two possible outcomes for every toss (head or tail), the sample space for<em> a coin tossed 8 times</em> is 2×2×2×2×2×2×2×2 = 2⁸ = 256.

<em>Landing on heads all 8 times</em> is just one of the possible outcomes: HHHHHHHH ⇒ 1.

Hence, the <em>probability </em>is calculated from its own definition:

Probability = number of favorable outcomes / number of possible outcomes

  • Probability=1/256\approx  0.0039\text{         }\leftarrow answer

8 0
3 years ago
Solve the simultaneous equation:<br>2x+3y=13<br><br>X+2y=9​
Neko [114]

Answer:

2x + 3y = 13

4x - y = -2

In the second equation, subtract 4x from both sides.

-y = -2 - 4x

Divide both sides by -1.

y = 2 + 4x

Put this into the first equation in place of y.

2x + 3(2 + 4x) = 13

Multiply everything in the parenthesis by 3.

2x + 6 + 12x = 13

Combine like terms.

14x + 6 = 13

Subtract 6 from both sides.

14x = 7

Divide 14 on both sides.

x = 7 / 14

x = 0.5

Put this into the second equation in place of x.

4(0.5) - y = -2

2 - y = -2

Subtract 2 from both sides.

-y = -4

Divide both sides by -1.

y = 4

So x = 0.5 and y = 4.

Step-by-step explanation:

8 0
2 years ago
a rectangular field is to be covered on three sides leaving a side of length 20m uncovered. if the area of the field is 600m2. h
Leona [35]

Answer:

580m^2

Step-by-step explanation:

600m^2 -20m=580m^2

8 0
3 years ago
Marco has a jug with 37 1/2 ounces of juice.He wants small cups to give samples of the juice. each cup can hold 2 1/2 ounces of
Rom4ik [11]
Turn both fractions into mixed fractions resulting in 75/2 and 5/2. Then turn them into decimals. 75/2= 37.5 and 5/2= 2.5. Then divide each other  37.5 / 2.5= 15. 15 is your answer. Hope it helped :)
7 0
3 years ago
Ayudaaaaaaaaaaa por favor
Mazyrski [523]

Answer:

ayuda te solo no eres tonto o si?

Step-by-step explanation:

5 0
2 years ago
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