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3 years ago

What is 3 2/3 +2 1/2

Mathematics

2 answers:

posledela3 years ago

8 0

3 + 2 = 5

2/3 + 1/2
= 4/6 + 3/6
= 7/6
= 1 1/6

Answer is 5 + 1 1/6 = 6 1/6

Elena L [17]3 years ago

4 0

The answer is 6 1/6. Using the common denominator method

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20 milliliters per minute

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24 dogs to 56 cats<br><br><br> In the simplest form

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Find the range of p in equation p(x+1) (x-3)=x-4p-2 has no real roots.

Tanya [424]

Answer:

$\displaystyle p > \frac{1}{4}$ .

Step-by-step explanation:

Expand the left-hand side of this equation:

$p\, (x + 1)\, (x - 3) = p\, \left(x^2 - 2\, x - 3\right) = p\, x^2 - 2\, p\, x - 3\, p$ .

Collect the terms, so that this quadratic equation is in the form $a\, x^2 + b\, x+ c = 0$ :

$p\, x^2 - 2\, p\, x - 3\, p = x - 4\, p - 2$ .

$p\, x^2 - (2\, p + 1)\, x + (p + 2) = 0$ .

In this equation:

$a = p$ .
$b = -(2\, p + 1)$ .
$c = p + 2$ .

Calculate the quadratic discriminant of this quadratic equation:

$\begin{aligned}b^2 - 4\, a\, c &= (-(2\, p + 1))^2 - 4\, p\, (p + 2) \\ &= 4\, p^2 + 4\, p + 1 - 4\, p^2- 8\, p = -4\, p + 1\end{aligned}$ .

A quadratic equation has no real root if its quadratic discriminant is less then zero. As a result, this quadratic equation will have no real root when $-4\, p + 1 < 0$ . Solve for the range of $p$ :

$\displaystyle p > \frac{1}{4}$ .

4 0

4 years ago

What is the Answer.

jok3333 [9.3K]

Answer:

Step-by-step explanation:

4x+100+3x+79=32

7x+179=32

7x=-147

x=-21

Now, plug in the numbers.

3(-21)+79=-61+79

=18

Hope I helped! Please mark Brainliest!!!

3 0

3 years ago