3 years ago

Instructions are in the picture

Mathematics

1 answer:

Phantasy [73]3 years ago

3 0

Answer:

123123 3213123 12312 dasdsd aw dasd sda asdasd

Step-by-step explanation:

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816.67

Step-by-step explanation:

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What value of B makes the expression. x² + Bx + 81 a perfect square trinomial?

Oxana [17]

Answer:

B.) 18

Step-by-step explanation:

To find the correct b value we use this formula

b² - 4ac = 0

b = What we are solving for

a = 1

c = 81

b² - 4(1)(81) = 0

b² - 324 = 0

b² = 324

$b = \sqrt{324}$

b = ±18

And 18 is one of the answer choices

So B.) 18 is the correct answer.

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What are square numbers

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Square numbers are numbers with an odd number of factors. For example, 1 and 4 are square numbers.

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You and your friend are using ribbon to make cards. Your ribbon is 78 inch wide. Your friend's ribbon is 58 inch wide. How much

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20 inches longer

Step-by-step explanation:

78-58= 20

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10. A cube has surface area 6534 square feet.<br> What is its volume?

skelet666 [1.2K]

Answer:

Step-by-step explanation:

$6a^{2}=6534\\\\a^{2}=\frac{6534}{6}\\=1089\\\\a=\sqrt{1089}\\\\ a=33ft\\\\volume=a^{3}\\\\=33*33*33\\\\=35937$

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