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irga5000 [103]
3 years ago
6

Is 0.090090009 rational Or irrational?

Mathematics
1 answer:
Rainbow [258]3 years ago
7 0

If it doesn't have a line above it in the problem then it is rational. This is because it ends and doesn't repeat on forever like 1/3 or pi.

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4. Diego is thinking of two positive numbers. He says, "If we triple the first number and
aleksandr82 [10.1K]

Answer:

3<em>x </em>+ 2<em>y</em> = 34. and two possible pairs of positive numbers are  (<em>x</em>, <em>y</em>) = (10, 2) and (<em>x</em>, <em>y</em>) = (4, 11).

Step-by-step explanation:

 Let the First positive number be <em>x</em> and second positive number be <em>y.</em>

Triple of first number = 3<em>x</em>

double of second number = 2<em>y</em>

According to question,

3<em>x </em>+ 2<em>y</em> = 34

Therefore, the equation is 3<em>x </em>+ 2<em>y</em> = 34

So the two possible pair of numbers Diego would be thinking of must satisfy the equation 3<em>x </em>+ 2<em>y</em> = 34

Now,  3<em>x </em>+ 2<em>y</em> = 34

3<em>x </em>= 34 - 2<em>y</em>

Let x = 10 and by substituting its value in above expression,

3 \times 10 = 34 - 2y

30 = 34 - 2y

2y = 34 - 30

2y = 4

y = 2

Therefore first pair (<em>x</em>, <em>y</em>) = (10, 2)

In the same way put x = 4 then,

3<em>x </em>= 34 - 2<em>y</em>

3 \times 4 = 34 - 2y

2y = 34 - 12

2y = 22

y = 11

Therefore first pair (<em>x</em>, <em>y</em>) = (4, 11)

Therefore, (<em>x</em>, <em>y</em>) = (4, 11) and  (<em>x</em>, <em>y</em>) = (10, 2) are the two possible pairs of numbers Diego could be thinking of as these both values satisfy the equation 3<em>x </em>+ 2<em>y</em> = 34.  

8 0
3 years ago
Someone help with this
timama [110]

Answer:

18% decrease

Step-by-step explanation:

  1. 7,500 - 6,125 = $1,375
  2. Set up a proportion: \frac{1375}{7500} = \frac{x}{100}  
  3. Cross multiply, then divide: 1375 × 100 = 137500, 137500 ÷ 7500 = 18 1/3
  4. 18 1/3% rounded = 18%
  5. It went down, so it is a decrease

I hope this helps!

7 0
3 years ago
Read 2 more answers
Solve for r to find the missing term in geometric sequence.
marusya05 [52]

Answer:

20 18. on the answer is 18 and 20 give me the brainlyest

5 0
3 years ago
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The floor at a roller skating rink is 72.25 feet long and 51.5 feet wide. How much longer is the rink than it is wide?
Phoenix [80]
72.25 - 51.5= <span>20.75
it is 20.75 feet longer</span>
3 0
3 years ago
Find the area of the circle with the given radius or diameter use pi equals 3.1 4 R is equal to six
marysya [2.9K]
<h2>Hello!</h2>

The answer is:

The area is equal to 113.04 units.

<h2>Why?</h2>

To find the area of the circle, we need to use the given information about the radius (6).

So, the area of a circle is given by the following formula:

A=\pi *r^{2}

Where,

\pi=3.14 (For This Case)\\r=radius

Substituting the given radius, we have:

A=3.14*(6)^{2}=3.14*36=113.04units

Have a nice day!

3 0
3 years ago
Read 2 more answers
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