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2 years ago

Evaluate (distributive property)

Mathematics

1 answer:

OLEGan [10]2 years ago

3 0

Answer:

Step-by-step explanation:

If A, B and C are integers, according to distributive property;

A(B+C) = AB+AB

A is distributed over B and C

Given

9×6 = 5 sixes +4 sixes

5 sixes = 5(6) =30

4 sixes = 4(6) =24

9×6 = 5(6)+4(6)

9×6 = 30+24

9×6 = 54

Hence ? =5,?? =24 ??? = 54

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A first alloy contains x pounds of 55% silver. It is mixed with a second alloy containing 30% silver to make 60 pounds of an all

Ann [662]

Answer:

"24 pounds" is the appropriate answer.

Step-by-step explanation:

According to the question, the equation will be:

⇒ $x+y=60$ ...(equation 1)

or,

⇒ $\frac{55}{100}x+\frac{30}{100}y=\frac{40}{100}\times 60$

$55x+30y=2400$ ...(equation 2)

Now,

By multiplying (equation 1) by 55 and (equation 2) by 1, we get

⇒ $55x+55y=3300$ ...(equation 3)

⇒ $55x+30y=2400$ ...(equation 4)

From equation 3 and 4, we get

⇒ $25y=900$

$y=\frac{900}{25}$

$=36$

By putting the values of "y" in equation 1, we get

⇒ $x=60-36$

$=24$

Thus the value of x be "24 pounds".

3 0

2 years ago

PLEASE I ACTUALLY NEED HELP ;(

Vlad [161]

Answer:

$\sqrt{18x^4y}$

Step-by-step explanation:

3x² $\sqrt{2y}$ =
$\sqrt{(3x^2)^22y}$ =
$\sqrt{18x^4y}$

8 0

2 years ago

Read 2 more answers

Two bicycles are driving on the circle in the same direction with speeds of 9 mph and 5 mph respectively. How many points are th

pychu [463]

Given that,

Speed of first bicycle = 9 mph

Speed of second bicycle = 5 mph

Suppose the length of the circle 24 miles.

We need to find the relative velocity

Using formula of relative velocity

$v=v_{1}-v_{2}$

Put the value into the formula

$v=9-5$

$v=4\ mph$

We need to calculate the time

Using formula of time

$t=\dfrac{d}{v}$

$t=\dfrac{24}{4}$

$t=6\ hr$

We need to calculate the distance of the points where the two bicycles meet

Using formula of distance

For first bicycles,

$d=9\times6$

$d=54\ miles$

For second bicycles,

$d'=5\times6$

$d'=30\ miles$

Hence, The points where the two bicycles meet after every 6hr at 30 miles and 54 miles.

4 0

2 years ago

List -0.3 , 0.5 ,0.55 ,-0.35 from least to greatest

DENIUS [597]

-0.35, -0.3, 0.5, 0.55

is your answer

hope this helps

7 0

2 years ago

Read 2 more answers

Simplify radical 75 ?<br>

jeyben [28]

Answer:

\/75= 5\/3

Step-by-step explanation:

\/5*5*3

5\/3

5 0

2 years ago