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arsen [322]
3 years ago
13

Help me please guys​

Mathematics
2 answers:
ss7ja [257]3 years ago
7 0
-2,-5 because the inverse is the oppisite of any number, so the opposite of 2,5 is -2,-5
Jlenok [28]3 years ago
5 0

Answer:

(9,6)

Step-by-step explanation:

You just take one of the (x,y) pairs and switch the numbers with each other so it's like (y,x)

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Milly has a equal number of 20p coins and 50p coins . The value of her 20p coins is £2.80 . Work out the total value of her 20p
Zinaida [17]

Answer:

£9.80

Step-by-step explanation:

The calculation of the total value is given below:

Provided that that

The value of 20p coins is £2.80

So 1p = £2.80 ÷ 20

= £0.14

For 50p it would be

= £0.14 × 50

= £7

Now the total value is

= £2.80 +  £7

= £9.80

3 0
2 years ago
In the diagram below, the circle has a radius of 25 inches. the area of the unshaded is 500pi in^2Determine and state the degree
Dmitriy789 [7]
72^{\circ}

1) In this question, we are going to make use of the formula for the area of that sector, to find the central angle.

2) So, let's write it out an expression involving the area of a circle, the unshaded area, and the shaded one and then plug into that the given data:

\begin{gathered} A=\frac{\alpha}{360^{\circ}}\times\pi r^2 \\ A_{Unshaded}+A_{shaded}=A_{Circle} \\ 500\pi+\frac{\alpha}{360}\times\pi r^2=\pi r^2 \\  \\ 500\pi+\frac{α}{360}\pi25^2=25^2\pi \\  \\ 500\pi+\frac{125\piα}{72}=625\pi \\  \\ 500\pi +\frac{125\pi α}{72}-500\pi =625\pi -500\pi  \\  \\ \frac{125\pi α}{72}=125\pi  \\  \\ \frac{72\times \:125\pi α}{72}=72\times \:125\pi  \\  \\ \frac{125\pi α}{125\pi }=\frac{9000\pi }{125\pi } \\  \\ α=72^{\circ} \\  \\  \end{gathered}

Thus, the centra angle of that shaded area is 72º

6 0
1 year ago
I need help please and i need work shown
velikii [3]

Answer:

<VUT = 50

Step-by-step explanation:

Tangent Chord Angle = 1/2 Intercepted Arc

< VUT = 1/2 (100)

<VUT = 50

3 0
3 years ago
Read 2 more answers
I'll give free brainliest to somebody if they heart and give this 5 starts
Gwar [14]
How do i heart this or give 5 stars?
6 0
3 years ago
Read 2 more answers
Anyone know 72 through 75?
maw [93]

Answer:

Ans

Step-by-step explanation:

72. 3x+5y

73. 3pq

74. 8a+8b

75. 4x^2+7x

4 0
3 years ago
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