2 years ago

What is negative thirty one over twelve

Mathematics

2 answers:

Vitek1552 [10]2 years ago

6 0

$\frac{-31}{12}$

Irina18 [472]2 years ago

5 0

Negative thirty over twelve is -2 7/12.

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What is 17x^2=12x in general quadratic form

ZanzabumX [31]

Simplifying 17x2 + -12x = 0 Reorder the terms: -12x + 17x2 = 0 Solving -12x + 17x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), 'x'. x(-12 + 17x) = 0

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3 years ago

A student has an average of 78 on seven chapter tests. If the student's scores on six of the tests are 76, 74, 76, 80, 83, and 9

zhenek [66]

Answer:

The score is 66

Step-by-step explanation:

Say the unknown score is x

Average = Total score/no of occurrence

78 = (x + 76 + 74 + 76 + 80 + 83 + 91)/7

78 × 7 = x + 76 + 74 + 76 + 80 + 83 + 91

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2 years ago

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She needs another quarter cup of strawberries

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2 years ago

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cluponka [151]

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6 0

3 years ago

Read 2 more answers

What is the surface area of the sphere?

Fantom [35]

Answer:

The surface area of the sphere is 314 mi².

Step-by-step explanation:

According to the given diagram, the diameter of the sphere is 10 mi.

If the radius is $r$ , then diameter $=2r$

So....

$2r=10\\ \\ r=\frac{10}{2}= 5$

Formula for the surface area of a sphere: $A_{S}= 4\pi r^2$

Plugging the value of $r$ into this formula, we will get...

$A_{S}=4\pi(5)^2\\ \\ A_{S}=4\pi(25)\\ \\ A_{S}=4(3.14)(25)\ \ [Using\ \pi=3.14]\\ \\ A_{S}=314$

So, the surface area of the sphere is 314 mi².

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3 years ago