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tigry1 [53]
3 years ago
11

Bulbul thinks of a 3-digit number, decreases it by 50 and then increases it by 35. The resulting number will be

Mathematics
1 answer:
Veronika [31]3 years ago
7 0

Answer:X-15

Step-by-step explanation:

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Which best describes the range of the function f(x) = 2/3(6)x after it has been reflected over the x-axis?
Olegator [25]
The right answer for the question that is being asked and shown above is that: "D. all real numbers less than or equal to 0." This is the statement that <span>best describes the range of the function f(x) = 2/3(6)x after it has been reflected over the x-axis</span>
3 0
3 years ago
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Find the numbers a, b and c if the polynomial x3−18x2+24xb−c is the cube of the binomial x+2a.
mojhsa [17]

Answer:

a=-3\\ \\b=\dfrac{9}{2}\\ \\c=216

Step-by-step explanation:

Use formula

(u+v)^3=u^3+3u^2v+3uv^2+v^3.

Hence,

(x+2a)^3=x^3+3x^2\cdot 2a+3x\cdot (2a)^2+(2a)^3=x^3+6ax^2+12a^2x+8a^3.

This expression is equal to

x^3-18x^2+24bx-c,

so we can equate the coefficients at powers of x:

x^3:\ 1=1\\ \\x^2:\ 6a=-18\Rightarrow a=-3\\ \\x:\ 12a^2=24b\Rightarrow b=\dfrac{9}{2}\\ \\1=x^0:\ 8a^3=-c\Rightarrow c=-8\cdot (-3)^3=216.

6 0
3 years ago
Find the area of the shaded region. Round your answer to the nearest hundredth.
Ne4ueva [31]

Answer: 1696.46

Step-by-step explanation:

6 x 6 x 3.14 = 113.1

24 x 24 x 3.14 = 1809.56

113.1 - 1809.56

thus we have 1696.46

sorry had to edit some things instead of one 6 its 6 x 6 and same with 24

5 0
3 years ago
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10 points pls answer ASAP
boyakko [2]

Answer:

145

Step-by-step explanation:

Its the opposite angle of 145

7 0
3 years ago
Please help it would be appreciated
scoray [572]

Answer:

81 in^2

Step-by-step explanation:

Well the formula to find an area of a triangle is (bh) / 2

In this case the base is 18 and the height is 9

18*9=162

162/2=81

5 0
3 years ago
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