What fraction of a £1 is eighty pence

Answers

Answer 1

Answer: I think it would 80/100 because £1 is 100 and we trying to work out the fraction of 80p of £1. So it would be 80/100. Hope this helps.

Answer 2

Answer: 4/5
put it this way
80/100
half it= 40/50
then simplify it= 4/5
easy!

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If y − 3 = 3x, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?A. {(0, 3), (1, 6), (2, 9)} B. {(3, 0), (6, 1), (9, 2)} C. {(1, 3), (2, 6), (3, 9)} D. {(3, 1), (6, 2), (9, 3)}
Apply distributive property to factor out the greatest common factor in 8x - 20.

Please help , i dont understand this at all

Answers

It’s cccccccccccccccccccccc

PLEASE HELP Use the squared identities to simplify 2cos2x cos2x.

Answers

The correct option is option D as 2cos²(x)cos²(x) simplifies as follows:

2cos²(x)cos²(x) = {3 + 4cos(2x) + cos(4x)} / 4

Simplification:

The given expression is : 2cos²(x)cos²(x)

The square identity for cosine is given by:

2cos²(x) -1 = cos(2x)

Thus,

2cos²(x) = {cos(2x) +1}

simplifying again,

cos²(x) = {cos(2x) +1}/2

Simplifying the above using squared identities:

2cos²(x)cos²(x) = {cos(2x) +1}cos²x

= {cos(2x) +1} {{cos(2x) +1}/2}

$= \frac{\{cos(2x) +1\}^2}{2}\n\n=(cos^2(2x)+2cos(2x)+1)/(2)\n\n=((cos(4x)+1)/(2)+2cos(2x)+1)/(2)\n\n=(3+4cos(2x)+cos(4x))/(4)$

so,

2cos²(x)cos²(x) = {3 + 4cos(2x) + cos(4x)} / 4

Hence option D is correct.

Learn more about squared identities:

brainly.com/question/14613683?referrer=searchResults

Answer:

Step-by-step explanation:

Divide 7/24 by 35/48 and reduce the quotient to the lowest fraction

Answers

$(7)/(24)$ ÷ $(35)/(48)$
Multiply $(7)/(24)$ by the reciprocal of $(35)/(48)$ , which is $(48)/(35)$

= $(7)/(24)$ × $(48)/(35)$
= $(336)/(840)$

We can simplify it further:
The greatest common factor here is 168
$(336/168)/(840/168)$

= $(2)/(5)$

Is an isosceles triangle. What is the length of RT? Round to the nearest hundredth.Enter your answer in the box

Answers

Answer:

9.33

Step-by-step explanation:

Find the diagram attached, to get the length of RT, we will use the pythagoras theorem as shown:

Hyp² = opp²+adj²

Hyp = 11

Adj = 6

Opposite = RT

Substitute into the formula

11² = opp²+6²

Opp² = 11²-6²

Opp² = 121-36

Opp² = 85

Opp = 9.22

Hence the measurel RT to nearest hundredth is 9.22

Using the transformation T: (x, y) (x + 2, y + 1), find the distance named. Find the distance BB'

Answers

Answer:

$√(5)\ units$

Step-by-step explanation:

we know that

The rule of the translation is equal to

$(x,y)-----> (x+2,y+1)$

That means

The translations is $2$ units to the right and $1$ unit up

Let

$(x,y)$ -------> the coordinates of point B

$(x+2,y+1)$ ------> the coordinates of point B'

Find the distance

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^(2)+(x2-x1)^(2)}$

substitute

$d=\sqrt{((y+1)-y)^(2)+((x+2)-x)^(2)}$

$d=\sqrt{(1)^(2)+(2)^(2)}$

$d=√(5)\ units$

The transformation is:
T : ( x , y ) → ( x + 2, y + 1 )
B ( 1, 3 ) → B` ( 1 + 2, 3 + 1 )
B ` ( 3, 4 )
d ( B B`) = √(( 3 - 1 )² + ( 4 - 3 )² )=
= √ (2² + 1²) = √ 5

Please help me with this, i just need this question and i'll be able to graduate

Answers

easey, just multiply everybody and add the exponents for like terms remember
(a^m)(a^n)=a^(m+n)
also
(ab)c=a(bc)
so

-4x³y²(7xy⁴)=
-4*x³*y²*7*x*y⁴=
-4*7*x³*x*y⁴*y²=
-28*x⁴*y⁶
-28x⁴y⁶

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