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iogann1982 [59]
3 years ago
11

6 and half minus seven-eighths divided by five and eleven-sixteenth=

Mathematics
2 answers:
olya-2409 [2.1K]3 years ago
7 0
\frac{6 \frac{1}{2} - \frac{7}{8}}{ \frac{11}{16} }

Start by subtracting the terms in the numerator.
To do this you have to have the same denominator.
\frac{13}{2} = \frac{52}{8}

\frac{52}{8} - \frac{7}{8} = \frac{45}{8}

now divide.  Division is multiplying by the reciprocal so:
\frac{\frac{45}{8}}{ \frac{11}{16}}   = {\frac{45}{8} * \frac{16}{11} =  \frac{90}{11} = 8 \frac{2}{11}
kow [346]3 years ago
5 0
The answer is 90/91. 6 1/2 - 7/8 divided by 5 11/16. Turn 6 1/2 and 5 11/16 to an improper fraction. 6 1/2= 13/2. 5/11= 91/16. Then you have to get each fraction to have equal denominators. All of them can have a denominator of 16. So you times everything to get a denominator of 16. 13/2= 104/16. 7/8=14/16. 91/16 stays the same because the denominator is already 16. Next you subtract 104/16 and 14/16 and get 45/8.( because you need to put it in simplest form.) Lastly you divide 45/8 by 91/16 and get 90/91.

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Dimas [21]

Hey there!

When they are asking which of them are equal we need to solve a, b, c and d and see if they match up to 6x^2-2x-20.

<u>Starting with A: </u>

Expand:

3 x 2x^2 + 3 x -x + 3 x -6

Simplify 3 x 2x^2 to 6x^2

6x^2 + 3 x -x + 3 x -6

Regroup.

6x^2 = 3x + 3 x -6

Simplify 3 x -6 to -18

6x^2 - 3x - 18

That does not match up to 6x^2-2x-20.

A is INCORRECT.

<u>Solving B:</u>

Collect like terms:

4x - 2x + 2x^2 - 20

The ones bolded are like terms.

So, we now collect them and add them.

4x^2 + 2x^2 = 6x^2

6x^2 - 2x - 20

That matches up with 6x^2-2x-20.

B is CORRECT.

<u>Solving C:</u>

Multiply the parentheses then multiply:

6x^2-12x+10x-20

Collect like terms:

6x^2 - 2x - 20

This matches up with 6x^2-2x-20.

Thus, C is CORRECT.

<u>Solving D:</u>

Multiply the terms in the parentheses by -2:

6x^2 - 2x - 2 x 10

Multiply the numbers:

6x^2 - 2x - 20

This also matches up with 6x^2 - 2x - 20 / they are <u>equal.</u>

Thus, D is also CORRECT.

<h3>Therefore, our answers are: </h3><h2><u>B, C, D </u></h2>

Thanks a ton for using Brainly! :)

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3 years ago
Using the rotation R, can you create a function R(ABCD) that is equivalent to the reflection of ABCD across both the x-axis and
galben [10]

The reflection over the x-axis is given by:

R(x,y)\to(-x,y)

And the reflection over the y-axis is given by:

R(x,y)\to(x,-y)

Thus, a function that is equivalent to the reflection of ABCD across both axis would be:

R(x,y)\to(-x,-y)

6 0
1 year ago
give an example of a compoud event, then explain how we would find the probability of those compound events
Brilliant_brown [7]
Rolling a sum of seven with a pair of dice...any of the six numbers can be first so that probability is:

(6/6) or 1 :P

Now to roll a sum of seven only one unique number can follow the first so the probability of getting that unique number so that you have a sum of seven is:

(1/6)

This is a compound event because two thing must happen and you multiply their respective probabilities to get the probability of the compound even..

(6/6)(1/6)=6/36=1/6
6 0
3 years ago
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