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alexira [117]
3 years ago
10

0.09 os 10 times as much as

Mathematics
1 answer:
Olegator [25]3 years ago
7 0
.009 because .09 × 10= .009
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Please do number 4!!!!!
Marina86 [1]

Answer:

just put the 25 into the equation, and you get the M, as the money she earn

2.5(25) + 12 = 74.5 that is the amount she earns

3 0
3 years ago
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1) Calcule:
Margarita [4]
This is the degree other do like as that

8 0
3 years ago
Plz help me!!!!!!!!!!!
Ainat [17]
  • <em>area of the whole circle = r^2 times pi</em>
  • radius is 10 units
  • thus, the whole circle's area is 100pi square units.

...and this shape is exactly one quarter, one-fourth, of the whole circle.  <em>Why? because of the shape's right angle and radius. (when you multiply 90 times 4, it will equal 360 degrees, which is the angle of a whole circle.)</em>

so 100pi divided by 4 equals 25pi square units of the shape.

ANSWER:

25 pi square units

(or in decimals: multiply 25 by 3.14 which would be 78.5 square units)

8 0
3 years ago
A complex number, (a + bi), multiplied by (2 + 3i) and added to -i gives the product of (-11 + 5i) and (1 – i).
Novosadov [1.4K]
(a+bi)(2+3i)-i=(-11+5i)(1-i)
2a+3ai+2bi+3bi²-i=-11+11i+5i-5i²
2a+(3a+2b-1)i-3b=-11+16i+5
(2a-3b)+(3a+2b-1)i=-6+16i
Therefore; we have the next system of equations:
2a-3b=-6
3a+2b-1=16

Finally, the system of equations is:
2a-3b=-6
3a+2b=17
We can solve this system of equations by reduction method
 2(2a-3b=-6) 
 3(3a+2b=17)
----------------------
   13a=39  ⇒a=39/13=3

 3(2a-3b=-6)
-2(3a+2b=17)
----------------------
       -13b=-52   ⇒ b=52/13=4

Answer: a=3;    b=4

8 0
3 years ago
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Determine whether the following is a statistical question.
Margarita [4]
Choice A because it is statistical and the other doesn’t make sense
6 0
3 years ago
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