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
Soloha48 [4]
1 year ago
5

Please help me with this??

Mathematics
1 answer:
Ludmilka [50]1 year ago
6 0

Answer:

c, d and f are rational numbers

Step-by-step explanation:

c) 3\sqrt{5}*2\sqrt{5}=3*2*\sqrt{5*5} = 3*2*5 = 30\\\\\\d)  \dfrac{3\sqrt{5}}{2\sqrt{5}}= \dfrac{3}{2}\\\\\\f)  \dfrac{2\sqrt{5}}{3\sqrt{5}}= \dfrac{2}{5}

You might be interested in
Find the volume of a square pyramid with base edges of 48 cm and a slant height of 26 cm.
solmaris [256]
The volume of a square pyramid can be derived from the expression that the volume of an object is equal to the product of the area of the base times its height. For a square pyramid, it can be simplified as V = a^2(h)/3 where a is the side of the square base and h is the height. However, we are given the slant height. The equation would be:

V = a^2(h)/3

s^2 = (a/2)^2 + h^2     where s is the slant height
h = √( s^2 - (a/2)^2)
h = √( 26^2 - (48/2)^2)= 10

V = 48^2(10)/3 = 7680 cm^3 --> OPTION C

3 0
2 years ago
Nelly the narwhal can swim 12 laps in 8 minutes how many minutes per lap is that?
valentinak56 [21]

Answer:

1.5 lpm

Step-by-step explanation:

12 laps divided by 8 minutes = 1.5 laps per minute

4 0
2 years ago
Read 2 more answers
Which of the following is equivalent to (5 /k) + ((k + 3) /(k + 5)) ?
Mars2501 [29]
\frac{5}{k}+\frac{k+3}{k+5}=\frac{5(k+5)}{k(k+5)}+\frac{k(k+3)}{k(k+5)}=\frac{5k+25+k^2+3k}{k(k+5)}=\frac{k^2+8k+25}{k(k+5)}\\\\Answer:E
4 0
3 years ago
Read 2 more answers
An exponentially function is expressed in the form y = axb^x . The relation represents a growth when _ and a decay when _ .
Sergio [31]

Answer:

The relation represents a growth when b>1 and a decay when 0<b<1

Step-by-step explanation:

Any function in the form f(x)= a(b^x), where a > 0, b > 0 and b not equal to 1 is called an exponential function with base b. If 0 < b < 1.  It is an example of an exponential decay. The general shape of an exponential with b > 1 is an example of exponential growth. An exponential function is expressed in the form y=a(b^x) The relation represents a growth when  b >1 and a decay when 0<b<1.

3 0
3 years ago
1. Construct Paasche's price index number from the following table for 2017
Crank

Answer:

A

Step-by-step explanation:

Tess is going to purchase a new car that has a list price of $29,190. She is planning on trading in her good-condition 2006 Dodge Dakota and financing the rest of the cost over four years, paying monthly. Her finance plan has an interest rate of 10.73%, compounded monthly. Tess will also be responsible for 7.14% sales tax, a $1,235 vehicle registration fee, and a $97 documentation fee. If the dealer gives Tess 75% of the listed trade-in price on her car, once the financing is paid off, what percent of the total amount paid will the interest be? (Consider the trade-in to be a reduction in the amount paid.)             <u> ANSWER A</u>

4 0
3 years ago
Other questions:
  • Explain why it is necessary to rename 4 1/4 if you subtract 3/4 from it?
    8·2 answers
  • What shape would you make if you connected the intersections to each endpoint. Instead of connecting the intersections of the ar
    13·1 answer
  • Evaluate<br> 3x (x + 2) – 3x? for x = 19
    13·1 answer
  • Cindy’s parking garage charges $3.50 for weekday parking, and weekends are half price. If Cindy parked in the garage 20 times pe
    7·1 answer
  • Which is the solution to the inequality?
    15·2 answers
  • What is the equation of the line that passes through (4, -1) and (-2, 3)?
    13·2 answers
  • Help 15 points brainliest to whoever is right (ONLY IF YOU'RE RIGHT)
    8·2 answers
  • What is 35% of 40 <br> Plz help me
    7·2 answers
  • There are 320 students<br> 36 more boys than girls<br> work out the fraction of boys to girls
    6·2 answers
  • Which of the following statements holds true about the number group on the home tab. a) The number group contains options for ch
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!