1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Arturiano [62]
3 years ago
6

Please help me with number 13 and 14

Mathematics
2 answers:
otez555 [7]3 years ago
7 0

Answer:

13: Irrational

14: 1.091 x 10 with a exponent of 9

mamaluj [8]3 years ago
6 0

Answer:

the \: first \: one \: is \: irrational \: numbe \: and

the \: second \: one \: is \: 1.091 \times  {10}^{9}

Step-by-step explanation:

Rational number do not include radical numbers

You might be interested in
Explain how you would find the perimeter of this triangle.
Lynna [10]

Answer:

<em>15.4 </em>

Step-by-step explanation:

\frac{u}{4} = tan51.3° ⇒ u = 4tan51.3° ≈ 5

\frac{4}{v} = cos51.3° ⇒ v = \frac{4}{cos51.3} ≈ 6.4

<em>P </em>≈ 4 + 5 + 6.4 = <em>15.4</em>

4 0
2 years ago
Assume the readings on thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. Find the pro
lisov135 [29]

Answer:

0.0326 = 3.26% probability that a randomly selected thermometer reads between −2.23 and −1.69.

The sketch is drawn at the end.

Step-by-step explanation:

Normal Probability Distribution

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Mean of 0°C and a standard deviation of 1.00°C.

This means that \mu = 0, \sigma = 1

Find the probability that a randomly selected thermometer reads between −2.23 and −1.69

This is the p-value of Z when X = -1.69 subtracted by the p-value of Z when X = -2.23.

X = -1.69

Z = \frac{X - \mu}{\sigma}

Z = \frac{-1.69 - 0}{1}

Z = -1.69

Z = -1.69 has a p-value of 0.0455

X = -2.23

Z = \frac{X - \mu}{\sigma}

Z = \frac{-2.23 - 0}{1}

Z = -2.23

Z = -2.23 has a p-value of 0.0129

0.0455 - 0.0129 = 0.0326

0.0326 = 3.26% probability that a randomly selected thermometer reads between −2.23 and −1.69.

Sketch:

3 0
3 years ago
To convert a capacity of 8.7 gallons to quarts which ratio could you multiply by
guajiro [1.7K]
<span>A- 4 quarts over 8.7 gallon 

B- 1 gallon over 4 quarts 

C- 8.7 gallons over 4 quarts 

D- 4 quarts over 1 gallon</span><span>Update: </span><span>Remember that 1 gallon = 4 quarts

</span>
6 0
3 years ago
A concert hall has three sections: the main floor, the balcony, and the gallery. For a recent concert, 1020 tickets were sold. T
Angelina_Jolie [31]

Answer:

Let the number of balcony seats be b

Let the number of gallery tickets be g

Let the number of main floor tickets be m

b + g + m  = 1020

b = 2g

m = b + 225

The number of balcony tickets = 318

The number of gallery tickets = 159

The number of main floor tickets = 543

Step-by-step explanation:

Let the number of balcony seats be b

Let the number of gallery tickets be g

Let the number of main floor tickets be m

i) Therefore we can write b + g + m  = 1020

ii) there were twice as many balcony tickets sold as gallery tickets

   therefore b = 2g      \Rightarrow  g = 0.5b

iii) there were 225 more main floor tickets than balcony tickets

   therefore m = b + 225

iv) using equation ii) and equation iii) in equation i) we can write

     b + g  + m = b + 0.5b + b + 225  = 1020      \Rightarrow 2.5b  = 795     \Rightarrow  b = 318

v) g  = 0.5 b  = 0.5 \times 318 = 159

vi) m = b + 225 = 318 + 225 = 543

5 0
3 years ago
Read 2 more answers
Whats the y intercept<br> y=.25x + .30
BigorU [14]
the Y intercept is .30
5 0
3 years ago
Other questions:
  • Express tan B as a fraction in simplest form.
    15·1 answer
  • In △ABC , m∠A=53°,m∠B=17°, and a=27. Find the perimeter of the triangle.
    8·1 answer
  • A bicycle store cost 2400 per month to opérate. The store pays an average of 60 per bike. The average selling price of each bicy
    5·1 answer
  • Please find the answer and show your work so I can learn thanks!!
    13·1 answer
  • The scale factor for a model car is 1 : 24. What does this mean?
    9·1 answer
  • Solve the following system of linear equations by substitution and determine whether the system has one solution, no solution, o
    5·1 answer
  • What do the interquartile ranges (IQRs) tell you about how the teams race? Explain your thinking.
    13·1 answer
  • Please help me with this guys and it select all that apply
    15·1 answer
  • Find the total surface area of the prism pictured.
    14·1 answer
  • One week, Steph worked 20 hours, Marco
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!