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Anit [1.1K]
3 years ago
7

-11(-7) show how you got the answer i need help

Mathematics
1 answer:
marusya05 [52]3 years ago
8 0

For this case we must solve the following expression:

-11 (-7)

By law of multiplication of signs we have to:

- * - =+\\- * + = -\\+ * - = -\\+ * + =+

Also we must find the product of 11 and 7, this is equivalent to:

11+ 11+ 11+ 11 +11+ 11 + 11 = 77

Thus, the result of the expression is +77.

Answer:

-11 (-7) = 77

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Players a, b, and c toss a fair coin in order. the first to throw a head wins. what are their respective chances of winning
Tatiana [17]
Probability a gets a head  = 1/2
 ..    ..   ..    b ..   ..  ...  ..     =  P(a gets tail) * 1/2  = 1/2 * 1/2 = 1/4
 ..   ... . ..    c  ..  ..  ..  ..  .   = P(and and b gets tail) * 1/2 = 1/4 * 1/2 = 1/8
8 0
3 years ago
Please help!!! MAX POINTS I CAN DO i put it in math because i trust the math people more
valkas [14]

Answer:

The 1st Blank is: A pure substance, or simply a substance

The 2nd blank on the left is: Elements

The 3rd blank on the right is: Compounds

The 4th blank which is the second middle one is: A mixture

The 5th blank which is the bottom left one is: Heterogeneous mixture

The 6th blank which is the last one on the bottom right is: Homogeneous mixture

Look at the step-by-step explanation if you get confused at the bottom.


Step-by-step explanation:

The 1st Blank: I would just put a pure substance.

The 2nd blank on the left: They are three characteristics of elements but just put elements.

The 3rd blank on the right: They are three characteristics of compounds but just put compounds.

The 4th blank which is the second middle one is: The characteristics of a mixture but just put a mixture.

The 5th blank which is the bottom left one: Are the characteristics of a heterogeneous mixture but just put heterogeneous mixture.

The 6th blank which is the last one on the bottom right: Are the characteristics of a homogeneous mixture but just put homogeneous mixture.


3 0
3 years ago
Read 2 more answers
Need help Will give you the brainliest
marshall27 [118]

Answer:

The missing area for both sides is 48ft²

the missing dimension is 12ft

Step-by-step explanation:

Add all the areas up

12+36+12+36=96

192-96=96

96÷2=48

48÷4=12

5 0
3 years ago
. how many 1/2s are in 3​
sweet [91]

Answer:

6

Step-by-step explanation:

6 0
3 years ago
A circular jogging track forms the edge of a circular lake that has a diameter of 2 miles. Johanna walked once around the track
harkovskaia [24]

Answer:

  C.  2.0 < t < 2.5

Step-by-step explanation:

  time = distance / speed

The circumference of the lake is given by ...

  C = πd = 2π miles ≈ 6.28 miles

Then Johanna's time is ...

  (6.28 mi)/(3 mi/h) ≈ 2.09 h

This time is in the interval (2, 2.5), so matches choice C.

___

<em>Alternate solution</em>

If we take pi to be 3, then this boils down to ...

  2×3/3 = 2 . . . hours

Pi is on the order of 5% more than 3, so her time will be on the order of 5% more than 2 hours, or just above 2, but not as great as 2.5 hours. This sort of estimating can get you to the correct answer without a calculator.

6 0
3 years ago
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