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2 years ago

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B, C and D are points on a circle, centre O. AB and AD are tangents to the circle. Angle BCD=x Find an expression for the size o

f angle BAD in terms of x. Give your answer in its simplest form. Give reasons for each stage of your working.

1 answer:

stealth61 [152]2 years ago

3 0

Answer:

where the point B lie ,first say point B where lie

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What is the solution to this system of equations? x + 2 y = 4. 2 x minus 2 y = 5.

Mila [183]

Answer:

(x,y) = (5.8,-0.4)

Step-by-step explanation:

1.) x + 2y = 4.2 - 2y = 5

2.) { x + 2y =5

{ 4.2 - 2y = 5

3.) { x + 2y = 5

{ y = -0.4

4.) x + 2x ( -4.0 ) = 5

5.) x= 5.8 ( a possible solution )

6.) ( x , y ) = ( 5.8 , -0.4 ) check to the solution

7.) 5.8 + 2 x ( -0.4 ) = 4.2 - 2 x ( -0.4 ) = 5

8.) 5 =5 =5

3 0

2 years ago

Read 2 more answers

The polynomial 24x3 − 54x2 + 44x − 99 is factored by grouping. 24x3 − 54x2 + 44x − 99 24x3 + 44x − 54x2 − 99 4x(____) − 9(____)

Alenkasestr [34]

Answer: $6x^2+11$

Step-by-step explanation:

Given the polynomial of degree 3:

$24x^3 - 54x^2 + 44x -99$

You can observe make two groups or two terms each:

$(24x^3 + 44x) - (54x^2 + 99)$

The Greatest Common Factor (GCF), is the highest number that divides into two or more numbers without leaving remainder.

You can observe that the GCF of both set are factored out ( $4x$ and $9$ ), then, you can find the common factor that is missing from both sets of parentheses with this procedure:

$(\frac{24x^3}{4x}+\frac{44x}{4x})-(\frac{54x^2}{9}+\frac{99}{9})=(6x^2+11)-(6x^2+11)$

You can observe that the common factor that is missing from both sets of parentheses is:

$6x^2+11$

3 0

2 years ago

At a convention of monsters, 2/5 have no horns, 1/7 have one horn, 1/3 have two horns, and the remaining 26 have three or more h

Kazeer [188]

If we take it that, the total amount is say hmmm "x"
then one can say that $\bf \begin{cases}
\cfrac{2}{5}x\impliedby &\textit{no horns}\\\\
\cfrac{1}{7}x\impliedby &\textit{one horn}\\\\
\cfrac{1}{3}x\impliedby &\textit{two horns}\\\\
26\impliedby &remaining
\end{cases}
\\\\\\
\textit{so the total is really }\quad \cfrac{2}{5}x+\cfrac{1}{7}x+\cfrac{1}{3}x+26$

add up the fractions of "x" and the constant of 26

4 0

2 years ago

Let f(x) represent a function. Which descriptions match the given transformations? Drag and drop the answers into the boxes.

miss Akunina [59]

The correct answers are:

1. f (x) is translated 4 units down.

2. f (x) is vertically stretched by a factor of 4.

I took the quiz and these were the right answers. Hope I helped! <3

8 0

2 years ago

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One nanometer equals about

Orlov [11]

Answer:

$1\ \text{nanometer}=4\times 10^8$

Step-by-step explanation:

Given : One nanometer equals about 0.00000004 inches.

To find : When writing this decimal as a single-digit integer multiplied by a power of ten, the single digit integer is and the power of ten ?

Solution :

$1\ \text{nanometer}=0.00000004$

$1\ \text{nanometer}=\frac{00000004}{100000000}$

$1\ \text{nanometer}=4\times 10^8$

Therefore, the decimal as a single-digit integer multiplied by a power of ten is $1\ \text{nanometer}=4\times 10^8$

4 0

2 years ago