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SCORPION-xisa [38]
3 years ago
5

Use the image of the circle to identify the length of the radius, diameter, and circumference. Leave all answers in terms of π w

hen necessary.

Mathematics
1 answer:
Ket [755]3 years ago
4 0

Answer:

Please look at the attachment for the figure of circle with radius, diameter,circumference labelled.

AB is the diameter

OB and OA are radii

Radius is half of the diameter or in other words diameter is double of radius.

And circumference is the outer line of the circle

circumference=2\pi r


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Which of the following is the conjugate of the expression below when x> -3?
harina [27]

Answer:

7+\sqrt{x+3}

Step-by-step explanation:

The conjugate of a radical expression is obtained by changing the sign of the middle term.

The conjugate of a+\sqrt{b} is simply a-\sqrt{b}

Therefore, to obtain the conjugate of the given expression we simply shall be  changing the negative sign to positive;

The conjugate of 7-\sqrt{x+3} is simply;

7+\sqrt{x+3}

5 0
2 years ago
FRAME AN EQUATION AND SOLVE IT. NEED HELP ASAP I only have 5 minutes!​
lawyer [7]

Answer:

<em>The answer to your question is</em><em> 125</em>

Step-by-step explanation:

<em> x = 25 X 5= 125.</em>

<em>The required number is 125.</em>

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2 years ago
A cricket team has a 0.25 chance of losing
Westkost [7]

Answer:

a) 0.125

b) 0.015635

c) 0.00000095367431640625‬

Step-by-step explanation:

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b) 0.25^3 = 0.015625

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8 0
2 years ago
Read 2 more answers
DEF is a dilation image of ABC. What is the scale factor?
horsena [70]

Answer:

Option (2)

Step-by-step explanation:

ΔDEF is a dilation image of ΔABC.

Rule for the dilation,

Scale factor = \frac{\text{Length of one side of the image triangle}}{\text{Length of one side of the original triangle}}

                    = \frac{DE}{AB}

                    = \frac{4}{8}

                    = \frac{1}{2}

Therefore, scale factor by which ΔABC is dilated is \frac{1}{2}.

Option (2) will be the correct option.

7 0
2 years ago
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MrRissso [65]

Answer:

-20 m/s.

Step-by-step explanation:

The computation of the average speed is shown below:

Given that

The initial velocity of the bus, u = 20 m/s

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time of motion, t = 5 s

Now The final velocity of the bus is  

v = u + at

v = 20 + (-8 × 5)

v = 20 - 40

v = -20 m/s.

6 0
2 years ago
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