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ankoles [38]
2 years ago
9

Can anyone help me to solve this please?? ​

Mathematics
1 answer:
andre [41]2 years ago
7 0

Answer:

Step-by-step explanation: explique melhor

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Kate and Margaret spend $42.60 on dinner at a restaurant
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H, it's asking for the total amount of money spent. so you add.

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3 years ago
The area of a circle is 78.5 cm² . Find the lenght of the radius of a circle . Use π = 3.14
Tpy6a [65]

Answer:

5cm  = r

Step-by-step explanation:

The area of a circle is given by

A = pi r^2

78.5 = 3.14 r^2

Divide each side by 3.14

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25 = r^2

Take the square root of each side

sqrt(25) = sqrt(r^2)

5 = r

6 0
3 years ago
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Ana has been adding $30 to her saving account every month. Which model could represent the money in Ana’s saving account (y) aft
Gekata [30.6K]

Answer:

y = 30x

Step-by-step explanation:

y is the amount of money

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5 0
3 years ago
Someone pls help asap this is due tmrw !!<br><br> x - 3y = -12<br> 2x + 3y = 3
hram777 [196]

Answer:

Step-by-step explanation:

to solve this system of equations we will add them

x-3y=-12

2x+3y=3 now +3y-3y=0

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3x=-9

x=-3

plug in the first equation

-3-3y=-12

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4 0
3 years ago
The sum of all but one interior angle of a heptagon is 776°. The final angle must have a measure of
shutvik [7]
A heptagon has 7 sides.

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900 - 776 = 124°

Answer: The final angle must be 124°
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3 years ago
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