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Arada [10]
3 years ago
15

PLEASE HELP!!!

Mathematics
1 answer:
Elis [28]3 years ago
8 0

Answer:

<h2>b > 70 and b = 100 - a</h2>

Step-by-step explanation:

a + b = 100

If a < 30, then b > 70 and b = 100 - a

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60 books represent 1 percent of the total books in the library 3
ICE Princess25 [194]

Answer:

180

Step-by-step explanation: my assumption is that u r asking what 3% is. If u r then the answer above is correct bc 60 = 1% so multiply 60 by 3

If this is not what u r looking for please rephrase ur question

8 0
3 years ago
4. Diagram A represents the area enclosed by a shopping mall.
NeTakaya

Answer:

The answer is 2,400:)

Step-by-step explanation:

8×300 is 2400

7 0
3 years ago
Find a third degree polynomial function with real coefficients and with zeros 4 and 3+i
Anvisha [2.4K]
X = 4 ; x = 3 + i ; x = 3 - i

(If you get a zero that is adding or subtracting, you always need to write it twice but change the sign do they cancel out)

f(x) = (x-4)(x-3-i)(x-3+i)

Distributing the last two parenthesis first is always the best way to start off

(x-3-i)(x-3+i) has (x-3) in common so it can be separated to

(x-3)^2 + (-i)(+i)

(x^2 - 6x + 9) ; (-i)(+i) is always +1
(x^2 - 6x + 9) + 1
(x^2 - 6x + 10)

Now multiply this with (x-4)
x^3 - 6x^2 + 10x
- 4x^2 + 24x - 40

x^3 - 10x^2 + 34x - 40 = f(x)

3 0
3 years ago
Please help with my geometry homework!​
rusak2 [61]

Answer:

from that passage AB+BD=AD ; -4x+50+2x+4=2x+46 so -2x+54=2x+46 ; x=2.

AC=AB+BC ; AB=-4x+50=-4(2)+50=42

the total lengths is AD=2x+46=50

Therefore AC is more than 42 and less than 50 ; you can answer b,c,g

8 0
4 years ago
Which choice is the answer
Montano1993 [528]
The answer would be D.

a1 is 0.5 and r is -0.2.
5 0
3 years ago
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