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algol13
4 years ago
11

PLEASE HELP I GIVE THANKS

Mathematics
2 answers:
hram777 [196]4 years ago
6 0

Answer:

c.111°

Step-by-step explanation:

kondaur [170]4 years ago
4 0
90-21= 69 B A COMPLEMENTARY ANGLE IS 90 

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Jordan can make 5 bracelets in 2 hours . At this rate , how long will Jordan take to make 20 bracelets?
Keith_Richards [23]
If she can make 5 in 2 hours, than just multiply 5X4 to get 20 which lets you know to also multiply 2 by 4. 

answer; jordan can make 20 bracelets in 8 hours
5 0
3 years ago
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The height of a rectangle is increasing at a rate of 11 centimeters per hour and the width of the rectangle is decreasing at a r
son4ous [18]

Answer:

-39 cm²/h

Step-by-step explanation:

The area of the rectangle is A = hw where h = height and w = width.

So the rate of change of area with respect to time is

dA/dt = d(hw)/dt

dA/dt = hdw/dt + wdh/dt

Given that at an instant h = 3cm, w = 8 cm and dh/dt = + 11 cm/h and dw/dt = -9 cm/h(negative since it is decreasing)

So, dA/dt = hdw/dt + wdh/dt

dA/dt = 3 cm × (+11 cm/h) + 8 cm × (-9 cm/h)

dA/dt = 33 cm²/h - 72 cm²/h

dA/dt = -39 cm²/h

8 0
3 years ago
Find the Circumference of The Circle with Radius 3.5cm​
son4ous [18]

Answer:

21.99cm

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3 0
3 years ago
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Evaluate 8.3p+7.9r when p =3 and r=4. 8.3( ) +7.9( ) = +31.6 help!!!!! ​
Alexandra [31]

Steps: 8.3(3) + 7.9(4) = 31.6

5 0
2 years ago
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What is the domain of the following function? Show work <br> f(x)=(2x-1)/((2x^2)-9x+10)
Romashka-Z-Leto [24]

Step-by-step explanation:

f ( X) = ( 2X - I ) / 2X ^ 2 - 9X + 10

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2X- 5 . = 0

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or

X-2=0

X=2

set of zeros of denominator = { 5/2 ,2 }

domain = R - { 5/2,2 }

7 0
3 years ago
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