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3 years ago

8 1/2 times 4 1/2 plzzz help mee now . Answer only before 10:30 pm est 4/22/19

Mathematics

2 answers:

Nana76 [90]3 years ago

8 0

The answer is 38 and 1/4.

Hope this helps!

xeze [42]3 years ago

6 0

Answer:

38 1/4

Step-by-step explanation:

First I convereted 8 1/2 and 4 1/2 to fractions, because it is easier for me, which gives you

8.5*4.5

Multiplying this out you get 38.25, which is equal to 38 1/4.

If you do it by fractions you convert them to inproper fractions.

8 1/2= 17/2

4 1/2= 9/2

You then multiply and get 153/4

When you divide 153 by 4 you get 38 1/4

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What are the roots of the equation 16x² + 16x + 5 = 0 in simplest a + bi form?

Greeley [361]

Answer:

Below in bold.

Step-by-step explanation:

Using the quadratic formula :

roots = [-16 +/-√(16^2 - 4*16*5)] / (2*16)

= -0.5 +/- √(-64) /32

= -0.5 +/- 8i/32

= -0.5 + 0.25i and -0.5 - 0.25i

4 0

3 years ago

(x-2)^3+13=-112<br> <img src="https://tex.z-dn.net/?f=%28x-2%29%5E3%2B13%3D-112" id="TexFormula1" title="(x-2)^3+13=-112" alt="(

yKpoI14uk [10]

Answer:

x = -3

Step-by-step explanation:

(x - 2)^3 + 13 = -112

Subtract 13 from both sides

(x - 2)^3 = -125

Take the cube root of both sides

x - 2 = -5

Add 2 to both sides

x = -3

7 0

3 years ago

Proportions, assist me please!

Anit [1.1K]

Step-by-step explanation:

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<h3>Answer:</h3>

$y = \frac{2x}{ {x}^{2} } \\$

6 0

3 years ago

the ratio of the weight of an object on earth to the weight of the same object on pluto is 100 to 3. if an elephant weighs 4100

lina2011 [118]

Divide 4100 by 3.
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4 years ago

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Rina8888 [55]

Answer:

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Step-by-step explanation:

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3 years ago