Divide 6/13 by 6/12 .

A. 9/16 B. 1/12 C. 13/12 D. 12/13

Answers

Answer 1

Answer: $((6)/(13))/((6)/(12))$

first simplify
$(6)/(12)$ = $(1)/(2)$

$((6)/(13))/((1)/(2))$
make bottom number equal to 1
multiply whole thing by $((2)/(1))/((2)/(1))$
(since 1/2 times 2/1=2/2=1 so bottom number will be equal to 1)

$((6)/(13))/((1)/(2))$ times $((2)/(1))/((2)/(1))$ = $((12)/(13))/((2)/(2))$ = $((12)/(13))/(1)$ = $(12)/(13)$

easy way is
a/b divided by c/d=a/b times d/c
invert and multiply

answer is 12/13

answer is D

Answer 2

Answer: Divide 6/13 by 6/12 .
d 12/13
1. make the fractions in decimals
2. divide the two
3. match it up

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Solve. 6 × r = 42

Please help. :(

Answers

Answer:

r = 7

Step-by-step explanation:

42 ÷ 6 = 7

If 5 a = 45, ba= 1, then b=

Answers

Answer:

1/9

Step-by-step explanation:

5a=45

divide it by 5 and a will =9

9b=1

divide 1 by 9

you get 1/9=b

therefore 9x1/9=1

A straight line has an equation y= 4x=5 Write down the equation of the straight line that is parallel to y=4x-5 and passes through the point (0,3).

Answers

Parallel lines have same slope but different y-intercept. So they gave the equation y=4x-5 and the (0,3) where 3 is the y-intercept.

So the equation would be y=4x+3. HOPE THIS HELPS!!!!!!!!

If it is parallel then it has the gradient which is 4 so the equation will be
y = 4x + ?

now to find the y intercept, using the coordinates, x is already 0 so the y intercept is 3

meaning the equation is
y = 4x + 3

SHOW THAT THE ANGEL BETWEEN ANY 2 DIAGONALS OF A CUBE IS cos-1 (1/3)

Answers

$Look\ at\ the\ picture.\n\n|BD|=a\sqrt2\n\n|BD_1|=|DB_1|=a\sqrt3\n\n|BE|=|DE|=(a\sqrt3)/(2)\n\nUse\ law\ of\ cosine:\n\n(a\sqrt2)^2=\left((a\sqrt3)/(2)\right)^2+\left((a\sqrt3)/(2)\right)^2-2\cdot(a\sqrt3)/(2)\cdot(a\sqrt3)/(2)\cdot cos\theta\n\n2a^2=(3a^2)/(4)+(3a^2)/(4)-(3a^2)/(2)cos\theta$

$(3a^2)/(2)cos\theta=(6a^2)/(4)-2a^2\n\n(3a^2)/(2)cos\theta=(6a^2)/(4)-(8a^2)/(4)\n\n(3a^2)/(2)cos\theta=-(2a^2)/(4)\n\n(3a^2)/(2)cos\theta=-(a^2)/(2)\ \ \ \ \ /\cdot(2)/(3a^2)\n\ncos\theta=-(1)/(3)$

Vector for one diagnol (1,1,1) - (0,0,0) = (1,1,1)
Vector for another diagnol (0,1,1) - (1,0,0) = (-1,1,1)

Do cos product of two vectors , that is

sqrt(3) sqrt(3) cos(theta) = (1,1,1).(-1,1,1)
3cos(theta) = 1.(-1) + 1.(1) + 1.(1) = 1

therefore cos(theta) = 1/3
angle betwwen diagnols = cos-1 (1/3)

25mi/hr=_______m/min

Answers

I came up with 0.42 miles per minute when I rounded. Without rounding I got 0.41666667

Max scored 9 runs on Monday and 11 runs on Tuesday. How many runs did he score in all?

Answers

The totalrun he scored in all would be 20.

What is the unitary method?

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.

We have been given that max scored 9 runs on Monday and 11 runs on Tuesday.

We need to find the total number of scores he runs in all.

The run scored on Monday = 9

The run scored on Tuesday= 11

The total = run scored on Monday + run scored on Tuesday

The total = 9 + 11 = 20

The totalscore he runs in all would be 20.

To learn more about the unitary method, please visit the link given below;

brainly.com/question/23423168

#SPJ2

Out of those two days ? 20 runs

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