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sergey [27]
3 years ago
6

Is 2.34 a rational number?

Mathematics
2 answers:
Flauer [41]3 years ago
8 0

Answer:

Yes 2.34 is a rational number.

Step-by-step explanation:

To find : Is 2.34 a rational number?

Solution :

A rational number is written in the form of p/q where p and q are integers and q is non-zero.

So, Writing the number in p/q form

2.34=\frac{234}{100}

2.34=\frac{117}{50}

As the number written in p/q form so the number is a rational number.

Therefore, Yes 2.34 is a rational number.

Musya8 [376]3 years ago
3 0

yes

A rational number is a number which can be expressed in the form

\frac{a}{b} where a and b are integers

now 2. 34 = 2 \frac{34}{100} = \frac{234}{100}→ a rational number


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I really don’t understand what the questions asking? How do I solve this
Eddi Din [679]

Answer:

$17.85

Step-by-step explanation:

Let the dollar amount per shirt be represented by s.

Let the dollar amount per pants be represented by p.

You have the following system:

3s+2p=104.81

2s+1p=61.33

If I multiply the bottom equation by -2, I can set the system up for elimination since the equations are already and the same form and I will have 2p and -2p in the same column there.  2p+(-2p)=0

Multiplying equation 2 by -2:

3s+2p=104.81

-4s-2p=-122.66

-----------------------Add the equations:

-1s      =-17.85

Multiply both sides by -1:

s=17.85

So one shirt cost $17.85

5 0
3 years ago
Harry's uncle gave him $62 to spend on basketball equipment. He bought 2 jerseys that cost $4 each, a basketball that cost $19,
taurus [48]

Answer:

$30

Step-by-step explanation:

Harry starts out with $62.

The 2 jerseys cost 2($4) = $8.

The ball cost $19.

The shorts cost $5.

The amount Harry has left is:

$62 - ($8 + $19 + $5) = $62 - ($32) = $30

6 0
3 years ago
Scores on an English test are normally distributed with a mean of 31.5 and a standard deviation of 7.3. Find the score that sepa
vladimir1956 [14]

If X is a random variable representing test scores, then the 41st percentile is the score x such that P(X\le x)=0.41. Transform X to the random variable Z that follows the standard normal distribution via X=31.5+7.3Z:

P(X\le x)=P\left(\dfrac{X-31.5}{7.3}\le\dfrac{x-31.5}{7.3}\right)=P\left(Z\le\dfrac{x-31.5}{7.3}\right)=0.41

The z-score for the 41st percentile is about -0.2275, so

\dfrac{x-31.5}{7.3}\approx-0.2275\implies\boxed{x\approx29.8}

6 0
3 years ago
A child’s building set contains a brick with dimensions 63 x 31 x 18mm . Assume this brick is a replica of a real brick that has
TEA [102]

The surface area and volume of the real brick will be 983.2 cm²and 1738.11 cm³ respectively.

<h3>What is volume?</h3>

The term “volume” refers to the amount of three-dimensional space taken up by an item or a closed surface. It is denoted by V and its SI unit is in cubic cm.

The scale factor is ;

r = 630 cm /23

r = 27

L = 23 cm

b = 310 / 27 = 11.48 cm

h = 180/27 = 6.6 cm

The surface area of the brick;

A = 2(lb+bh+hl)

A = 2( 23 ×11.48+11.48×6.6+6.6×23)

A= 983.2 cm²

The volume of the brick is;

V= lbh

V=23 × 11.45 ×6.6

V=1738.11 cm³

Hence the surface area and volume of the real brick will be 983.2 cm² and 1738.11 cm³ respectively.

To learn more about the volume, refer to brainly.com/question/1578538

#SPJ1

3 0
2 years ago
Someone please help me with this I’m struggling
VladimirAG [237]

C  = 2 π r; r = 29 m

so

C = 2 π (29)

C = 58π

Answer

C = 59π m

8 0
3 years ago
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