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anzhelika [568]
2 years ago
10

In a barangay fiesta singing contest with 12 contestants , in how many ways can the judges choose the first 3 winners

Mathematics
1 answer:
mario62 [17]2 years ago
5 0

Answer: 1320

<u>Step-by-step explanation:</u>

there are 12 choices for 1st place, 11 choices remaining for 2nd place, and 10 remaining choices for 3rd place.

12 x 11 x 10 = 1320

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Which expression is equivalent to Negative 28 x y 35 y? 7 y (Negative 4 x y 5 y) 7 x (negative 4 x 5 y) 7 x (negative 4 y 5 y) 7
GREYUIT [131]

You can use the distributive property of multiplication over addition to find the equivalent expression to the given expression.

The expression which is equivalent to the given expression is given by

Option D: 7y(-4x + 5)

<h3>What are equivalent expressions?</h3>

Those expressions who might look different but their simplified forms are same expressions are called equivalent expressions.

<h3>What is distributive property of multiplication over addition?</h3>

Suppose a, b and c are three numbers. Then we have:

a(b + c) = a \times b + a \times c

(a(b+c) means a multiplied to (b+c). The sign of multiplication is usually hidden when using symbols and both quantities which are in multiplication are written together without space)

<h3>Using the above property and the fact that 28 and 35 are multiples of 7 to get the equivalent expression</h3>

The given expression is -28xy + 35y

Since 28 = 7 times 4 and 35 = 7 times 5

Thus,

-28xy + 35y = -7 \times 4 \times x \times y + 7 \times 5 \times y = 7y(-4x + 5)

Thus,

The expression which is equivalent to the given expression is given by

Option D: 7y(-4x + 5)

Learn more about equivalent expressions here:
brainly.com/question/10628562

3 0
2 years ago
Help please <br> .............
borishaifa [10]

Answer:

hi dude

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Can u help me with this or I’m going to get in trouble !
Alchen [17]

Answer:

Step-by-step explanation:

d

5 0
3 years ago
Which equation could be used to find the perimeter of an isosceles triangle, with two sides 13 cm long, a base 10 cm long, and a
AVprozaik [17]
Its A.
because if the base is 13 and 13 and the sides are 10 cm multiply and get A.
4 0
3 years ago
4x+8y=17<br> Solve for y
olasank [31]

Answer:

4x + 8y = 17  

Solve for y.

You want to get y on one side of the equal sign by itself so... you subtract 4x from both sides to get:

8y = -4x + 17

Then you divide both sides by 8 to get:

y= -4x/8 +17/8

Then simplify the fractions to get:

y = -2x/4 + 17/8

Step-by-step explanation:

3 0
3 years ago
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