3 years ago

According to the distributive property, 6 (5 + 3) =

Mathematics

2 answers:

professor190 [17]3 years ago

4 0

D because all u got to do is multiply

tamaranim1 [39]3 years ago

3 0

The answer is D because you would multiply 6 to every number in the equation 6 time 5 + 6 times 3<span />

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120 pianists compete in a piano competition. (a) In the first round, 30 of the 120 are selected to go on to the next round. How

MissTica

Answer:

Step-by-step explanation:

Given

There are 120 Pianist in a competition

(a)In first round 30 pianist is selected

this can be done in $^{120}C_{30} ways$

$=\frac{120!}{(120-30)!30!}$

$=\frac{120!}{90!30!}$

(b)In the second round 5 pianist is selected out of 30

this can be doe by $=\frac{30!}{(30-5)!5!}$

$=\frac{30!}{25!5!}$

$=142,506$

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4 years ago

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ddd [48]

Answer:

2+2=4 and hi

Step-by-step explanation:

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3 years ago

What is the value of x? 24, 26, 12, x . A) 8 b) 12 c) 6 d) 2

Marina86 [1]

Set up a ratio:

24 / 36 = x /12

cross multiply:

24 * 12 = 36 * x

288 = 36x

divide both sides by 36

x = 288 / 36

x = 8
answer is A) 8

6 0

4 years ago

F(x)=x^2+3 find and simplify f(t-5)<br> And f(a+h)-f(a) , f(a) - f(a-h)

Jet001 [13]

1. (t-5)^2+3=t^2-10t+12+3=t^2-10t+15.

2. (a+h)^2+3=a^2+2ah+h^2+3
(a^2)+3=a^2+3. Subtracting, we get h^2+2ah.

3. (a^2)+3=a^2+3
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3 years ago

One positive integer is 6 less than another. The

nlexa [21]

Answer:

$11, 5$

Step-by-step explanation:

$x=y-6$

$xy=55$

Put x as y-6 in the second equation.

$(y-6)y=55$

$y^2-6y=55$

$y^2-6y-55=0$

Factor.

$\left(y+5\right)\left(y-11\right)=0$

$\left(y+5\right)=0$

$y=-5$

It has to be a positive integer.

$y-11=0$

$y=11$

Substitute y as 11.

$x=y-6$

$x=11-6$

$x=5$

6 0

3 years ago

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