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
enot [183]
2 years ago
5

t%7B20%7D%20%2B%202%5Csqrt%7B175%7D%20" id="TexFormula1" title=" \frac{42}{ \sqrt{28} } + \frac{60}{45} - 2 \sqrt{20} + 2\sqrt{175} " alt=" \frac{42}{ \sqrt{28} } + \frac{60}{45} - 2 \sqrt{20} + 2\sqrt{175} " align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
chubhunter [2.5K]2 years ago
5 0

Answer:

4/3−4√5+13√7

Step-by-step explanation:

So for whatever reason we don't like it when the radical is in the denominator so we're going to do a process called rationalization and get rid of it. We do this by multiplying both the numerator and denominator by the radical

So for the first part we multiply the numerator and denominator by \sqrt{28} which gives us \frac{42\sqrt{28} }{28} we can then factor the 28 into sqrt(7,2,2) which simplifies to 42*2\sqrt{7}/28  So then we can simplify this and get 3\sqrt{7} We then can simplify the rest of these radicals and get 2\sqrt{20}=2\sqrt{2*2*5}=4\sqrt{5}  and 2\sqrt{175}= 2\sqrt{5*5*7}=2*5\sqrt{7} This means that so far we have the following:3\sqrt{7}+ \frac{60}{45}-4\sqrt{5} +10\sqrt{7} We can add the like terms and simplify the fraction and get 4/3−4√5+13√7

You might be interested in
Which of the following expressions is equivalent to the expression?
TEA [102]
Answer should be C! Have a great day!
8 0
3 years ago
Write this number in word form 310763136
Tresset [83]
Three hundred and ten million seven hundred and sixty three one hundred and thirty six
3 0
3 years ago
Read 2 more answers
Which number line shows the correct placement of 20%, 1/3<br> and 2/3?
Umnica [9.8K]

Answer:

the answer is option A why because its basiclly telling us that 1/3 and 2/3 are close to each other and they need to find the percent on how to get to the whole number in this case is 1

Step-by-step explanation:

4 0
3 years ago
Graph the exponential function<img src="https://tex.z-dn.net/?f=%20f%28x%29%3D%5Cfrac%7B1%7D%7B2%7D%5E%7Bx%7D%20%20" id="TexForm
tatyana61 [14]

f(x)=\left(\dfrac{1}{2}\right)^x\\\\for\ x=-3\to y=\left(\dfrac{1}{2}\right)^{-3}=2^3=8\to(-3,\ 8)\\\\for\ x=-2\to y=\left(\dfrac{1}{2}\right)^{-2}=2^2=4\to(-2,\ 4)\\\\for\ x=-1\to y=\left(\dfrac{1}{2}\right)^{-1}=2^1=2\to(-1,\ 2)\\\\for\ x=0\to y=\left(\dfrac{1}{2}\right)^0=1\to(0,\ 1)\\\\for\ x=1\to y=\left(\dfrac{1}{2}\right)^1=\dfrac{1}{2}\to\left(1,\ \dfrac{1}{2}\right)\\\\for\ x=2\to y=\left(\dfrac{1}{2}\right)^2=\dfrac{1}{4}

3 0
3 years ago
3x power of 2+ 5x+2=0<br><br>what does x equal
In-s [12.5K]
Let's solve your equation step-by-step.
2+5x+2=0
Step 1: Simplify both sides of the equation.
2+5x+2=0
(5x)+(2+2)=0(Combine Like Terms)
5x+4=0
5x+4=0
Step 2: Subtract 4 from both sides.
5x+4−4=0−4
5x=−4
Step 3: Divide both sides by 5.
5x
5
=
−4
5
x=
−4
5

Answer:
x=
−4
5


4 0
2 years ago
Other questions:
  • Which expression is equivalent to ?<br><br>​
    6·2 answers
  • If the sum of a number and nine is doubled, the result is four less than the number. Find the number
    6·1 answer
  • Suppose you roll a regular 6 faced die what is the probability of getting a 2,6,4
    7·1 answer
  • If the perimeter of the regular pentagon is 75 cm what is the length of each side
    14·1 answer
  • What type of function is represented by the table of values below?
    15·2 answers
  • Consider the following systems of rate of change equations:System A(dx/dt)= 3x(1-(x/10))- 20xy(dy/dt)= -5y+(xy/20)System B(dx/dt
    10·1 answer
  • Rectangle ABCD is similar to rectangle EFGH.<br> What is the value of s?
    13·1 answer
  • This table shows the relationship between the bird population in a habitat and the time, in years, since a researcher began trac
    11·2 answers
  • A cereal box has a length of 4 inches, a width of 5 inches,
    9·2 answers
  • Help me please this is so hard
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!