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2 years ago

Ok what is 4 1/8 - 3/4

Mathematics

2 answers:

Scrat [10]2 years ago

8 0

The correct answer is 3 3/8

12345 [234]2 years ago

4 0

In order to do this, We need common denomonators.

What is something that we can times 4 by to equal 8.We can times 4 by 2 to get 8. What is done to the bottom must be done to the top, meaning you will have to times 3 by 2 as well to get 6/8. Your problem will now look like:

4 1/8 - 6/8

This means that your answer will be:

Mixed Fraction: 3 3/8
or
Improper Fraction: 27/8

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Solve for x in the equation.

labwork [276]

Answer:

The solution is $\displaystyle x=1\pm \sqrt{47}$ . Fourth option

Explanation:

Solve for x:

$2x^2+3x-7=x^2+5x+39$

Move all the terms from the right to the left side of the equation, a zero in the right side:

$2x^2+3x-7-x^2-5x-39=0$

Join all like terms:

$x^2-2x-46=0$

The general form of the quadratic equation is:

$ax^2+bx+c=0$

Solve the quadratic equation by using the formula:

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

In our equation: a=1, b=-2, c=-46

Substituting into the formula:

$\displaystyle x=\frac{-(-2)\pm \sqrt{(-2)^2-4(1)(-46)}}{2(1)}$

$\displaystyle x=\frac{2\pm \sqrt{4+184}}{2}$

$\displaystyle x=\frac{2\pm \sqrt{188}}{2}$

Since 188=4*47

$\displaystyle x=\frac{2\pm \sqrt{4*47}}{2}$

Take the square root of 4:

$\displaystyle x=\frac{2\pm 2\sqrt{47}}{2}$

Divide by 2:

$\displaystyle x=1\pm \sqrt{47}$

First option: Incorrect. The answer does not match

Second option: Incorrect. The answer does not match

Third option: Incorrect. The answer does not match

Fourth option: Correct. The answer matches exactly this option

8 0

2 years ago

Which describes the amount of product a seller is able to make?

UNO [17]

Supply is the amount of product a seller is able to make

5 0

2 years ago

In a school, the ratio of soccer players to volleyball players is 4 : 1.

VLD [36.1K]

4:1 means for every four soccer player there is 1 volleyball player

that means there are four times the number of soccer players than volleyball players

7 0

2 years ago

Captionless Image ..............................................................................................................

Likurg_2 [28]

Answer:

um what?

Step-by-step explanation:

I don't understand this

7 0

2 years ago

Read 2 more answers

PLEASE HELP ME WITH THIS IT IS DUE RIGHT NOW

Ugo [173]

Step-by-step explanation:

1. Perimeter = 2 ( 5+4) = 18 cm

Area = 5 × 4 = 20 cm^2

2. Perimeter = 2 (5+5) = 20 cm

Area = 5 × 5 = 25 cm^2

3. Cups of seed needed per sq. meter = Area of the rectangle backyard

= 6 × 7

= 42 cups of seed

4. Feet of fence needed = Perimeter of the Square garden

= 2(8+8)

= 32 feet

5. Perimeter of rectangular quilt = 2 (4+6) feet

= 20 feet

6. Area of the room = 9 feet × 8 feet

= 72 feet^2

4 0

2 years ago