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3 years ago

PLEASE HELP!!!!!!!

Mathematics

1 answer:

Leokris [45]3 years ago

3 0

Part A : The diagram shows a line of best fit with a positive correlation.As the amount of guests increases the amount of pizzas increase supporting the positive correlation.

Part B : I haven't gotta clue sorry

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2t - 5 = -10 what is t

jenyasd209 [6]

The answer is -.2.5 hope that help

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3 years ago

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A square pyramid has a base side length of 20. 4 cm and a height of 18. 2 cm. Which square pyramid is similar? base side length

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Answer C. base side length = 30.6 cm, height = 27.3 cm

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2 years ago

The point of tangency of line S to circle A is M. True False

Nadusha1986 [10]

Answer:

False

Step-by-step explanation:

Definition of Tangency : Tangent to a circle is a line that touches the circle at one point, which is known as Tangency.

At the point of Tangency, Tangent to a circle is always perpendicular to the radius.

We are supposed to find The point of tangency of line S to circle A is M

Considering the definition,

The lines S touches the circle at point J not at M

So,The point of tangency of line S to circle A is M is False

So, Option B is correct

Hence The point of tangency of line S to circle A is M is False

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3 years ago

What is the constant of proportionality for the relationship shown in the table? x 2 4 6 8 y 1 2 3 4

Tamiku [17]

Answer:

$k = \frac{1}{2}$

Step-by-step explanation:

Given

x 2 4 6 8

y 1 2 3 4

Required

Determine the constant of proportionality (k)

The relationship between x and y is:

$y = kx$

When y = 1, x = 2;

So, we have:

$1 = k * 2$

$2 * k = 1$

Make k the subject

$k = \frac{1}{2}$

Hence, the constant of proportionality is 1/2

7 0

2 years ago

You are building a shelf that fits in a corner in the figure the entire shelf is XYZ each unit in the coordinate plane represent

horsena [70]

Answer:

$Area = 112.5$

Step-by-step explanation:

Given

$X = (15,20)$

$Y = (15,5)$

$Z = (0,5)$

Required

Determine the area of the triangle

The area is calculated using the following formula:

$Area = |\frac{X_x(Y_y - Z_y) + Y_x(X_y - Z_y) + Z_x(X_y - Y_y)}{2}|$

Where

$(X_x,X_y) = (15,20)$

$(Y_x,Y_y) = (15,5)$

$(Z_x,Z_y)= (0,5)$

Substitute right values in the given formula:

$Area = |\frac{15(5 -5) + 15(20 - 5) + 0(20 - 5)}{2}|$

$Area = |\frac{15(0) + 15(15) + 0(15)}{2}|$

$Area = |\frac{0 + 225 + 0}{2}|$

$Area = |\frac{225}{2}|$

$Area = |112.5|$

$Area = 112.5$

<em>Hence, the area of the triangle is 112.5</em>

8 0

3 years ago