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Leya [2.2K]
3 years ago
12

Work out a the length of arc AB b the area of the shaded sector.

Mathematics
2 answers:
jarptica [38.1K]3 years ago
6 0

Answer:

I think it's b

Step-by-step explanation:

so like I don't have a brain

mote1985 [20]3 years ago
3 0
I think B too. You should also try to look it online
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Why does dividing 5 by a decimal less than 1 give a quotient greater than 5
goldenfox [79]
5 x 0.2 = 25

Or to put it a different way

25 / 0.2 = 5

Dividing something by a number greater than 1 gives you a smaller number
Dividing something by 1 gives the same number
Dividing something a number smaller than 1 gives you a larger number
5 0
3 years ago
Read 2 more answers
Complete the square to determine the minimum or maximum value of the function defined by the expression. x2 − 12x − 2
ad-work [718]

Answer:

The minimum value = -38

Step-by-step explanation:

∵ f(x) = x² - 12x - 2

∵ -12x ÷ 2 = -6x ⇒ -6 × x

∴ (x - 6)² = x² - 12x + 36

∴ Add and subtract 36 in f(x)

∴ f(x) = (x² - 12x + 36) - 36 - 2

∴ f(x) = (x - 6)² - 38 ⇒ completing square

∴ The vertex of the parabola is (6 , -38)

∵ Its minimum point because the coefficient of x² is positive

∴ The minimum value = -38

5 0
3 years ago
Please help I really don’t understand anything at all !
Lesechka [4]

Answer:

see explanation

Step-by-step explanation:

1

2(3x + 1) = 4(x + 2) ← distribute parenthesis on both sides

6x + 2 = 4x + 8 ( subtract 4x from both sides )

2x + 2 = 8 ( subtract 2 from both sides )

2x = 6 ( divide both sides by 2 )

x = 3

------------------------------------------------------------

2

6x = 4(x - 3) ← distribute parenthesis

6x = 4x - 12 ( subtract 4x from both sides )

2x = - 12 ( divide both sides by 2 )

x = - 6

-----------------------------------------------------------

3

2(4x + 7) = 4x + 30 ← distribute parenthesis on left side

8x + 14 = 4x + 30 (subtract 4x from both sides )

4x + 14 = 30 ( subtract 14 from both sides )

4x = 16 ( divide both sides by 4 )

x = 4

---------------------------------------------------------------------

4

50 = - (y + 22) ← distribute parenthesis by - 1

50 = - y - 22 ( add 22 to both sides )

72 = - y ( multiply both sides by - 1 )

- 72 = y , that is

y = - 72

7 0
3 years ago
Look at the two circles below. They share a center point. The larger circlehas a radius of 10 inches. The distance between the s
Alexxandr [17]
B is the answer to the question
8 0
3 years ago
What is 4% of 40 as a percent
Ilia_Sergeevich [38]
<span><span>1/10=10%
</span><span>2/10=20%
</span><span>3/10=30%
</span><span>4/10=<span>40%
does this help</span></span></span>
3 0
3 years ago
Read 2 more answers
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