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Alexus [3.1K]
3 years ago
5

Help me solve this please

Mathematics
2 answers:
Vesnalui [34]3 years ago
4 0
(-2,7) because of the circle equation.
Please mark brainliest! Thank you
kolbaska11 [484]3 years ago
4 0

Answer:

Center : (-2, 7)

Radius : 6

Step-by-step explanation:

If you use desmos (graphing website), you're able to plug in the the equation to find the radius and center.

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Find S15 for the series -1 + -3 + -5 + -7 +...
Ber [7]
Hello :
the sum is  arithmetic secquence of common -diff is :
(-7)-(-5) =(-5)-(-3) = (-3)-(-1) =-2 = d
  the first term is : a1 = -1
<span>the formula of the sum :  S= (n/2)(a1 +an)
n is number of term       an = a1+(n-1)d</span>
8 0
3 years ago
A beanie hat is to be made from a piece of fabric and one square metre of this fabric weighs 470g.
Ainat [17]

Answer:

The hat weight = 81.166 g

Step-by-step explanation:

∵The figure formed by a rectangle and two identical semi-circle

∵ The length of the rectangle = 52 cm = 0.52 m

∴ The length of the two diameter = 52 cm = 0.52 m

∴ The radius of the semi-circle = 52 ÷ 4 = 13 cm = 0.13 m

∴ The width of the rectangle = 36 - 13 = 23 cm = 0.23 m

∴ The area of the rectangle = 0.52 × 0.23 = 0.1196 m²

∴ The area of the semi-circles = π (0.13)² = 0.0531 m²

∴ The area of the hat = 0.1196 + 0.0531 = 0.17269292 m²

∵ 1 m² = 470 g

∴ The weight of the hat = 0.17269292 × 470 = 81.16567 ≅ 81.166 g

3 0
3 years ago
Read 2 more answers
A card is drawn from a standard deck of playing cards. what is the probability that the card is either a 9 or a 10? (express you
snow_lady [41]
There are 52 cards in a standard deck, and 4 suits. There is one 9 per suit, so 4 cards, plus one 10 per suit, so 8 cards. 8 cards divided by 52 cards in a deck is 0.15384615 or 0.154. 
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If a recipe uses 5 cups of flour for every 2 cups of sugar, how much sugar is used for every 1 cup of flour?
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2/5 cup of sugar

you divide 5 by 5 to get 1 cup of flour, and you divide 2 by 5 to get 2/5 cup of sugar

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What’s the range of the function on the graph?
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D All real numbers Equal or greater that 2
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