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3 years ago

A number plus 16 times its reciprocal equals 8. Find all possible values for the number.

Mathematics

1 answer:

SVEN [57.7K]3 years ago

6 0

Answer:

Step-by-step explanation:

Factorizing we get the answer 4

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What must be true of two rational expressions before they can be added?

VladimirAG [237]

Answer:

They most have common denominators.

Step-by-step explanation:

Let the following two rational expressions:

$\frac{p}{a} , \frac{q}{b}$

where p,a,q, b are integers, a and b the denominators are not 0, i.e. $a,b\neq 0$

We can add rational expressions only if their denominator is same.

That is why we find LCD to be $ab$ .

Then,

$\frac{p}{a} +\frac{q}{b} =\frac{pb+qa}{ab}$

Let the following two rational expressions:

$\frac{p}{a} , \frac{q}{b}$

where p,a,q, b are integers, a and b the denominators are not 0, i.e. $a,b\neq 0$

We can add rational expressions only if their denominator is same.

That is why we find LCD to be $ab$ .

Then,

$\frac{p}{a} +\frac{q}{b} =\frac{pb+qa}{ab}$

So, the correct answer is the last option that we can sum rational expressions if they have common denominator.

3 0

4 years ago

Set up an linear equation and solve the following number word problem:

IRINA_888 [86]

Answer:

let the number be y

4(y-7)=48

y-7=48/4

y-7=12

y=12+7=19

I would appreciate if my answer is chosen as a brainliest answer

3 0

2 years ago

What is the equation of the line that passes through the point (1,7)and has a slope of -1<br> ?

serg [7]

Answer:

y = -x + 8

Step-by-step explanation:

First, plug in the slope.

y = mx + b

y = -1x + b

y = -x + b

Then, plug in the point.

7 = -(1) + b

7 = -1 + b

8 = b

3 0

3 years ago

Find the Surface area

tatyana61 [14]

Answer:

A=l×w×h

Step-by-step explanation:

5×5×6×7

1050. or if we add 4 in the solution part 2400

3 0

3 years ago

Read 2 more answers

How many ways can you make change for a $50 bill using $5, $10, and $20 bills?

aleksley [76]

Answer:

There are 12 ways to make change for a $50 bill using $5, $10 and $20 bills

Step-by-step explanation:

Let's write down every possibility starting by using the largest quantity of $20 bills and we'll go from there, everytime that we get a $10 bill we will split it in the next option into 2 $5 bills.

(20)(20)(10)

(20)(20)(5)(5)

(20) (10)(10)(10)

(20)(10)(10)(5)(5)

(20)(10)(5)(5)(5)(5)

(20)(5)(5)(5)(5)(5)(5)

Now we start with the largest quantity of $10 bills (5) and go from there, splitting them into two 5 dollar bills in the next option.

(10)(10)(10)(10)(10)

(10)(10)(10)(10)(5)(5)

(10)(10)(10)(5)(5)(5)(5)

(10)(10)(5)(5)(5)(5)(5)(5)

(10)(5)(5)(5)(5)(5)(5)(5)(5)

(5)(5)(5)(5)(5)(5)(5)(5)(5)(5)

3 0

3 years ago