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3 years ago

Given 8x² + 6x = -5

Mathematics

1 answer:

qwelly [4]3 years ago

3 0

So you are to multiply 8 by 8 then add the 6+5 =?x I think that’s how you do it I’m not sure though

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Show your work with x box method

pashok25 [27]

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3 years ago

What is the solution to 3.2x = 6.4? a. x = 2 b. x = 3.2 c. x = 9.6 d. x = 20.48

faltersainse [42]

$3.2x=6.4\ \ \ \ |divide\ both\ sides\ by\ 3.2\\\\\frac{3.2x}{3.2}=\frac{6.4}{3.2}\\\\\huge\boxed{x=2}$

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3 years ago

The length of a room is 18

Virty [35]

Question:

The length of a room is 18 1 /2 feet. If using 1 /4 inch = 1 foot scale, what would be the length of a wall on a blueprint of a floor plan?

Answer:

The length of a wall on a blueprint of a floor plan is $4.625 \text{ or } 4\frac{5}{8} \text{ inches }$

Solution:

Given that,

$Length\ of\ room = 18\frac{1}{2} \text{ feet }\\\\Length\ of\ room = 18.5 \text{ feet }$

The scale given is:

$\frac{1}{4}\ inch = 1\ foot$

To find: Length of a wall on a blueprint of a floor plan

Let "x" be the length of a wall on a blueprint of a floor plan

Then from given,

$\frac{1}{4}\ inch = 1\ foot\\\\x\ inches = 18.5\ feet$

This forms a proportion and we can solve by cross multiplying

$\frac{1}{4} \times 18.5 = x \times 1\\\\x = 4.625\\\\In\ terms\ of\ mixed\ fraction,\\\\x = 4\frac{5}{8}$

Thus length of a wall on a blueprint of a floor plan is $4.625 \text{ or } 4\frac{5}{8} \text{ inches }$

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3 years ago

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Could anyone help me on this? Simplifying this ratio. 3 days : 3 weeks

Anuta_ua [19.1K]

Answer:

We know that,

1week=7days.

So,

3weeks:3days = 3×7days:3days

= 21days:3days

= 7:1

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3 years ago

Emily Works at an ice cream shop

expeople1 [14]

Answer:

Aidan eats 2 ice cream and makes 100$

Step-by-step explanation:

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3 years ago

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