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UNO [17]
3 years ago
12

3/2 x - 5/4 y =15 rate of change​

Mathematics
1 answer:
Alenkinab [10]3 years ago
3 0

Answer:

6/5

Step-by-step explanation:

m is your rate of change you need to get y by itself.

3/2x - 15 = 5/4y

3x/2 - 30/2 = 5/4y

3x-30/2 = 5/4y

3x - 30 = 2 x 5/4y

3x - 30 = 2 x 5/4x2y (cross out 2 and 4)

3x - 30 = 5/2y

2 x 3x - 2 x 30 = 2 x 5/4y

6x - 60 = 5y

6x/5 - 60/5 = 5y/5

y = 6/5 x x - 12

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Please help! this is due today and this is the only question left!!
Soloha48 [4]

Answer:

13.73 sq mm

Step-by-step explanation:

Area of Square - Area of Circle = Area of Shaded Region

if radius of circle is 4 then diameter is 8

the diameter is the same as the length of each side of the square

so area of square = 8² or 64

Area of Circle = 16π

64 - 16π ≈ 13.73

7 0
3 years ago
[PLEASE ANSWER ASAP] The entrance fee to a circus for a child is RM(3x-y). The entrance fee for an adult is RM2y more than the e
Vinil7 [7]

The total cost that will be paid by the family will be RM(15x - y).

<h3>How to calculate the cost?</h3>

The entrance fee to a circus for a child is RM(3x-y).

The entrance fee for an adult is RM(3x - y) + RM2y = 3x + y.

Therefore, the cost for 2 adults and three children will be:

= 2(3x + y) + 3(3x - y)

= 6x + 2y + 9x- 3y

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brainly.com/question/25109150

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8 0
2 years ago
PLEASE HELP ME I BEG YOU
ankoles [38]
The point A is located in quadrant II

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7 0
3 years ago
Find the exact value by using a half-angle identity.<br><br> tan seven pi divided by eight
murzikaleks [220]

9514 1404 393

Answer:

  1 -√2

Step-by-step explanation:

  \tan(x/2)=\dfrac{1-\cos(x)}{\sin(x)}\\\\\tan\left(\dfrac{1}{2}\cdot\dfrac{7\pi}{4}\right)=\dfrac{1-\cos\dfrac{7\pi}{4}}{\sin\dfrac{7\pi}{4}}=\dfrac{1-\dfrac{1}{\sqrt{2}}}{-\dfrac{1}{\sqrt{2}}}=\boxed{1-\sqrt{2}}

tan(7π/8) = 1 -√2

7 0
3 years ago
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BigorU [14]
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2 years ago
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