3 years ago

matthew has 18 sets of baseball cards. each set has 12 cards. about how many baseball card does matthew have

Mathematics

2 answers:

kotykmax [81]3 years ago

7 0

He has 216 cards because 18x12=216

polet [3.4K]3 years ago

4 0

Matthew has 216 cards total

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Does anyone get this!??

stepladder [879]

Hello from MrBillDoesMath!

Answer:

Discussion:

Let the number be "n". Then the question states that

3n - 15 = (n/2) + 5 => multiply both sides by 2

6n - 30 = n + 10 => subtract n from both sides

5n - 30 = 10 => add 30 to both sides

5n = 30 + 10 = 40 => divide both sides by 5

n = 40/5 = 8

Thank you,

MrB

8 0

3 years ago

What property is y(x+5)

Nitella [24]

Disturptive property

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3 years ago

SIMPLIFY (4-74+7) A. 223 B. 9 27 C. 9+2/7 D. 9

sesenic [268]

Answer:

The correct option is D.

Step-by-step explanation:

The given expression is

$(4-\sqrt{7})(4+\sqrt{7})$

Difference of two squares property:

$a^2-b^2=(a+b)(a-b)$

Using the above property, the given expression can be written as

$(4)^2-(\sqrt{7})^2$

Applying square we get

$16-7$

$9$

Therefore the correct option is D.

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3 years ago

What is the sum and classification of <img src="https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B5%7D%20%2B%20%5Csqrt%7B88%7D" id="TexFo

aleksandrvk [35]

Answer:

The answer is def. A.

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3 years ago

Read 2 more answers

Kết quả của phép tính 3 mũ 6 nhân 3 mũ 4 là

tatiyna

Answer:

n = the number

The words of the problem statement translate into algebra as

6n - 3 = 4n + 11

Solve for n.

2n = 14

n = 7

Step-by-step explanation:

8 0

3 years ago