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3 years ago

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Mathematics

1 answer:

skad [1K]3 years ago

4 0

The answer is A because if u graph it it would be right

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I need help with this geometry question

UNO [17]

Answer:

radius ≈ 15.5

Step-by-step explanation:

the radius is RS

the angle between a tangent and the radius at the point of contact is 90°

then Δ RST is a right triangle

using Pythagoras' identity in the right triangle.

the square on the hypotenuse is equal to the sum of the squares on the other 2 sides , then

RS² + ST² = RT² ( substitute values )

RS² + 7² = 17²

RS² + 49 = 289 ( subtract 49 from both sides )

RS² = 240 ( take square root of both sides )

RS = $\sqrt{240}$ ≈ 15.5 ( to 1 dec. place )

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1 year ago

The Table represents a Linear Function.

ExtremeBDS [4]

Answer:

The answer is 3

Step-by-step explanation:

I used the equation y/x. (Use the differences between two rows.)

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2 years ago

Chocolate covered pretzels cost $8.50 a pound (lb). Nonpareils are $4.20 a pound (lb). Josh bought his mother 1/2 pound of the p

Komok [63]

1/2 of $8.50 is $4.25
1/4 of $4.20 is $1.05
$5.30 w/o taxes

$5.74 is your answer

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3 years ago

Write A number d minus 2 is less than -1 as an inequality

laiz [17]

Answer:

d-2 < -1

Step-by-step explanation:

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3 years ago

Solve x2 + 8x − 3 = 0 using the completing-the-square method.

lisabon 2012 [21]

$(a+b)^2=a^2+2ab+b^2\\------------------\\\\x^2+8x-3=0\ \ \ |add\ 3\ to\ both\ sides\\\\x^2+2x\cdot4=3\ \ \ |add\ 4^2\ to\ both\ sides\\\\x^2+2x\cdot4+4^2=3+4^2\\\\(x+4)^2=3+16\\\\(x+4)^2=19\iff x+4=-\sqrt{19}\ or\ x+4=\sqrt{19}\\|subtract\ 4\ from\ both\ sides\\\\\boxed{x=-4-\sqrt{19}\ or\ x=-4+\sqrt{19}}$

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3 years ago

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