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3 years ago

14

All real numbers that are less than -2

1 answer:

valentinak56 [21]3 years ago

5 0

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Line segment WX is the radius of circle X, and line segment ZY is the radius of circle Y. Points W, X, C, Y, and Z are all on li

Andrews [41]

Point D is the midpoint of the outer circle that we aim to find the area of

The circle has a diameter of WZ and radii of WC and CZ

We know that YZ=YD=10 cm

Let DC be $x$ and CY be $10-x$

The radius of the outer circle can be written as $8+8+x$ or $10+10-x$ which we can equate to find the value of $x$

$8+8+x=10+10-x$
$16+x=20-x$
$2x=4$
$x=2$

Therefore, the radius of the circle is $8+8+2=18$

And hence the area of the circle is $\pi (18^{2})$ =324 $\pi$

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3 years ago

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4. Eva saves $60 each week. Since she needs to save at least $2,400 to go on a trip to Europe, she will need to

Anon25 [30]

Answer:

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What is the answer to -5t=-45

Ghella [55]

T=-9

Negative plus negative is positive.

Hope that helped :))

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Choose two values, a and b, each between 8 and 15. Show how to use the identity a^3+b^3=(a+b)(a^2-ab+b^2) to calculate the sum o

qaws [65]

Answer:

Step-by-step explanation:

a = 8

b = 10

a^3 =8^3 = 512

b^3= 10^3 =1000

a^3 + b^3 = 1512

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b^2 = 100

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(a + b) (64 - 80+ 100)

18 * (84)

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3 years ago

The slope of (- 7,9) and (6,- 5)

kaheart [24]

$\bf{Slope = \frac{y_2-y_1}{x_2-x_1} =\frac{9 - (-5)}{-7-6} =\frac{14}{-13}}\\\\\boxed{\bf{\Large Slope = -\frac{14}{13}}}$

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3 years ago