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3 years ago

What is the probability of getting a sum of 6, given that one die shows a 5? Question 1 options: 5/36 11/36 2/11 5/11

Mathematics

1 answer:

alisha [4.7K]3 years ago

5 0

There are 11 ways a pair of dice can show a 5. Of those, 2 have a sum of 6.

Your probability is 2/11.

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If a,b,c,d are in continuous proportion then prove that (c+a) (c+d) = (b+c) (b+d)

sesenic [268]

Answer:

We must prove that (c+a)(c+d) = (b+c)(b+d)

Let us use principles from mathematical induction
$\frac{a}{b} = \frac{b}{c} = \frac{c}{d} = x$
a=bx , b=cx, c=dx
a+c = b + c
c +d = b + d
Such that (a+c)(c+d)=(b+c)(b+d)

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8 0

2 years ago

Simplify to create an equivalent expression 6(7-3y)+6(y+1)

NeTakaya

Answer:

-12y+48

Step-by-step explanation:

6(7-3y)+6(y+1)

42-18y+6y+6

-12y+42+6

-12y+48

6 0

3 years ago

Read 2 more answers

Math grade 9 , Aor B or C or D fassst plzzz

grigory [225]

Answer:

where are your questions?

Step-by-step explanation:

but you let me choice, I choice B.

6 0

2 years ago

A peregrine falcon can fly 322 kilometers per hour.how many meters per hour can the falcon fly

vivado [14]

The falcon can fly 322,000 meters per hour.

1 kilometer is 1000 meters, meaning you would multiply 322 by 1000 equaling 322,000.

5 0

3 years ago

Determine the equation of the graph shown y = a(x - h)^2 + k

LUCKY_DIMON [66]

Answer:

$y=-(x+1)^2+4$

Step-by-step explanation:

we know that

$y=a(x-h)^2+k$

Is the equation of a vertical parabola written in vertex form

where

(h,k) is the vertex

a is the leading coefficient

In this problem we have

The vertex is the point (-1,4)

$(h,k)=(-1,4)$

substitute

$y=a(x+1)^2+4$

Find the value of a

we have the ordered pair (0,3)

substitute the value of x and the value of y in the quadratic equation and solve for a

$3=a(0+1)^2+4$

$3=a+4\\a=3-4\\a=-1$

therefore

$y=-(x+1)^2+4$

4 0

3 years ago