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3 years ago

Is 0.7105386266520861 a rational or irrational number?

Mathematics

2 answers:

choli [55]3 years ago

4 0

Irrational, because it doesn't repeat

vovangra [49]3 years ago

3 0

It is irrational because rational numbers repeat

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At Elisa's printing company, there are two kinds of printing presses: Model A, which can print 70 books/ day, and model B, which

Dmitrij [34]

Answer:

9 Model As.

Step-by-step explanation:

Let A represent Press A and let B represent Press B.

So, they own 14 total presses. This means that:

$A+B=14$

They can print 905 books per day, in other words, since A prints 70 per day and B prints 55 per day:

$70A+55B=905$

This is now a system of equations. Solve by substitution. From the first equation, subtract B from both sides:

$A=14-B$

Substitute this into the second equation: "

$70(14-B)+55B=905$

First, we can divide everything by 5 to simplify things:

$14(14-B)+11B=181$

Distribute the left:

$196-14B+11B=181$

Combine like terms:

$-3B+196=181$

Subtract 196 from both sides:

$-3B=-15$

Divide both sides by -3

$B=5$

So, the company has 5 Model B presses.

Which means that the company has 14-5 or 9 Model A presses.

And we're done!

3 0

2 years ago

Ten times the number, x, is one-half the sum of the number and three

Mazyrski [523]

10x=1/2x+3

I think it's right, but not 100% sure

7 0

3 years ago

Read 2 more answers

What are the missing numbers?

Klio2033 [76]

Since it goes by thousandths (0.001), we can say the values are 2.089 and 2.095.

7 0

3 years ago

Read 2 more answers

Peaches are being sold for $2 dollars per pound if x represents the number of pounds of peaches bought and y represents the tota

Alex787 [66]

I'm guessing you want an equation.

In that case, the equation would be $2x =y

8 0

2 years ago

A shopper paid $2.52 for 4.5 pounds of potatoes, $7.75 for 2.5 pounds of broccoli and $2.45 f0r 2.5 pounds of pears. What is the

denis23 [38]

Unit rate refers to how much the buyer paid per unit. Let’s do the math:

$2.52 for 4.5 pounds of potatoes
Divide $2.52 by 4.5
The shopper paid 56 cents per pound of potatoes.
Now $7.75 spent for 2.5 pounds of broccoli.
Divide $7.75 by 2.5.
The shopper paid $3.10 for each pound of broccoli.
Last $2.45 for 2.5 pounds of pears.
The shopper will spend 98 cents per pounds of pears.
Please vote my answer brainliest! Thanks.

4 0

3 years ago