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Makovka662 [10]
3 years ago
5

The average of 3, 5, 15 and my number is 40. what is my number.

Mathematics
1 answer:
Usimov [2.4K]3 years ago
8 0

Answer:

137

Step-by-step explanation:

(3 + 5 + 15 + x)/4 = 40

23 + x = 160

x = 137

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(12) Which equation has irrational solutions?<br> Group of answer choices
Drupady [299]

Answer:

9(x+3)²=27

Step-by-step explanation:

hello :

9(x+3)²=27   means : (x+3)²=27/9

(x+3)²=3  because 3 is not the perfect square

8 0
3 years ago
The sum of two angles in a triangle is equal to the third angle and two sides of the triangle have lengths of 4 and 5 units. Fin
deff fn [24]
Angle1 +angle2+angle3=180(property of triangle)
Angle1+angel2=angle3(according to question)


Thus,
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2*angle3=180
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Now,we can use formula
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3 years ago
HELP<br><br> ANGLE S = ___ DEGREES
marusya05 [52]

Answer:

Maybe I'm just really tired and seeing things, but is the answer not ∠S=45°?

7 0
3 years ago
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HELP ASAP WILL RATE AND THANKS AND BRAINLIEST
Tema [17]
The length

8 \div \frac{1}{4} = 32

the width

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the height

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so the amount of small cubes is
32 \times 16 \times 9 = 4608

I believe that 4608 is the answer

good luck
5 0
3 years ago
The mean absolute deviation (MAD) for the first set of data is 1.2 and the MAD for the second set of data is 0.6. Approximately
Anastasy [175]
The correct answer is that the variability is 2.0 times as large.

In the first set, the MAD is 1.2.

In the second set, the MAD is 0.6.

Dividing 1.2 by 0.6 gives us a factor of 2.
7 0
3 years ago
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