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adell [148]
3 years ago
5

Solve the multiplication problem -5/8 times 2/3

Mathematics
1 answer:
wel3 years ago
4 0

Answer:

\frac{-5}{8}\times \frac{2}{3}=\frac{-5}{12} or -0.42

Step-by-step explanation:

Given:

The statement says -5/8 times 2/3

Solution:

=\frac{-5}{8}\times \frac{2}{3}

=\frac{-5\times 2}{8\times 3}

=\frac{-10}{24}

the numerator and denominator is divided by 2

=\frac{-5}{12}

Therefore, The multiplication of \frac{-5}{8} and \frac{2}{3} is \frac{-5}{12} or -0.42

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Find the y-intercept of the parabola y = x2 + 6x.<br><br> Can somebody help?
WINSTONCH [101]

Given:

The equation of the parabola is:

y=x^2+6x

To find:

The y-intercept of the parabola.

Solution:

We have,

y=x^2+6x

Putting x=0 in the given equation, we get

y=(0)^2+6(0)

y=0+0

y=0

Therefore, the y-intercept of the parabola is 0. It means the y-intercept of the given parabola is at point (0,0).

6 0
3 years ago
Find all intervals on which the graph of f(x)=(x-1)/(x+3) is concave upward
Yuliya22 [10]
To find concavity we need to find the second derivative.
Use quotient rule to find f'(x)=4/(x+3)^2
Then use chain rule to find f''(x)=-8/(x+3)^3
To find potential inflection points, we need to find all x values where the second derivative is equal to 0 or is undefined.

Set the numerator and denominator equal to 0 and solve.

(x+3)^3=0
x+3=0
x= -3

Now plug a value less than -3 and greater than -3 into the second derivative to find where the concavity is upward (positive number).

Since f''(-4) is positive, that means that f(x) is concave up on the interval (-infinity, -3).




4 0
4 years ago
Simplify 22-2(12/4+2*3)/3+7
lapo4ka [179]

Answer: 23

Step-by-step explanation:

A mathematical symbol, or combination of symbols, representing a value, or relation. Example:  2+2=4 .

5 0
2 years ago
Consider the irrational number 73 . Between what two integers is the value of this number?
murzikaleks [220]
That's a rational number I think you typed it wrong. Comment the correct number
5 0
3 years ago
Select the correct answer.<br> Which expression is equivalent to
irakobra [83]

<u>Answer:</u>       logₓ 8

<u>Step-by-step explanation:</u>

   5 logₓ2  - logₓ4

=  logₓ2⁵  -  logₓ4

=  logₓ32  -  logₓ4

=  logₓ(32/ 4)

=  logₓ 8

6 0
3 years ago
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