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3 years ago

What is the volume of this prism

Mathematics

2 answers:

posledela3 years ago

5 0

The volume of this prism =30

tensa zangetsu [6.8K]3 years ago

4 0

Answer:

The volume of this Prism is 30.

Step-by-step explanation:

Multiply the bases measurements together first. 3 x 10 = 30

Divide the base and height by 2. 30 / 2 = 15

Multiply the base area times the height. 15 x 2 = 30

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Oliver took a math quiz last week. There were 25 problems on the quiz and Oliver answered 80% of them correctly. How many proble

aleksandr82 [10.1K]

Answer:

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Step-by-step explanation:

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3 years ago

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3 years ago

Read 2 more answers

What is the sum of 20x^2-10x-30

ivann1987 [24]

Answer:

The sum of the roots is 0.5

Step-by-step explanation:

The correct question is

What is the sum of the roots of 20x^2-10x-30

we know that

In a quadratic equation of the form

$ax^{2} +bx+c=0$

The sum of the roots is equal to

$-\frac{b} {a}$

in this problem we have

$20x^{2} -10x-30=0$

$a=20\\b=-10\\c=-30$

substitute

$-\frac{(-10)} {20}=0.5$

Verify

Find the roots of the quadratic equation

The formula to solve a quadratic equation is equal to

$x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

$a=20\\b=-10\\c=-30$

substitute

$x=\frac{-(-10)\pm\sqrt{-10^{2}-4(20)(-30)}} {2(20)}$

$x=\frac{10\pm\sqrt{2,500}} {40}$

$x=\frac{10\pm50} {40}$

$x=\frac{10+50} {40}=1.5$

$x=\frac{10-50} {40}=-1$

The roots are x=-1 and x=1.5

The sum of the roots are

$-1+1.5=0.5$ ----> is ok

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3 years ago

Help please ASAP!!!!!!

Elodia [21]

The correct answer to your problem is 96

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3 years ago