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erastova [34]
3 years ago
5

you have four $1 bills,two $5 bills,and two $10 bills in your wallet.You select a bill at random.Without replacing the bill,you

choose a second bill.Find P($10 then $1)
Mathematics
1 answer:
Luda [366]3 years ago
7 0

Answer:$34

Step-by-step explanation:

4+10 +20=34

So I probably choose all

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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
3 years ago
Is this a linear equation
Reika [66]

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Ainat [17]

Answer:

x=±sqrt (33)

Step-by-step explanation:

y=(x+2)(x-2)

29=x^2-4. x^2=33, x=±sqrt (33)

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James has 12 dimes in hus pocket.How much money does he have
Marina86 [1]

Answer:

$1.20

Step-by-step explanation:

A dime is worth 10¢.

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Since a dollar is 100¢, James would have a dollar and 20¢ left over. So, $1.20.

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