Ask question

Ask question

All categories

2 years ago

6

For 14a-14d,tell you which expressions require you to rename mixed numbers before you can subtract.Find each difference .write e

ach expression and the difference as an equation in the correct

1 answer:

Vlada [557]2 years ago

6 0

multiply the whole number with the denominator then add the numerator over the denominator then find the common multiple.

You might be interested in

I don't know how to do this what's the answer??

pav-90 [236]

Volume = s³ = (9.5)³ = 9.5 × 9.5 × 9.5 = 857.375 in³

7 0

2 years ago

Whats the percent change from 100 to 140

Dahasolnce [82]

Answer:

40%

Step-by-step explanation:

8 0

2 years ago

The stack on the left is made up of 15 pennies, and the stack on the right is also made up of 15 pennies. If the volume of the s

Svetlanka [38]

Answer:

i am not good in maths sorry the answer is 6075

3 0

2 years ago

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 expression is equivalent to (4x^4/2x^3)

gavmur [86]

Answer:

2x

Step-by-step explanation:

Given

$\frac{4x^4}{2x^3}$

= $\frac{4}{2}$ × $\frac{x^4}{x^3}$

= 2 × $x^{(4-3)}$

= 2x

3 0

2 years ago