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
alexandr1967 [171]
2 years ago
10

Darlene wrote this proof of the identity (x+y)^2-(x-y)^2=4xy. Which of the following is a justification for step 5 for her proof

?
a. definition of a squaring a binomial
b. distributive property
c combining like terms
d. reflective property

Mathematics
2 answers:
VMariaS [17]2 years ago
6 0
For 5 step u add 3 steps and dats ur answer
Svet_ta [14]2 years ago
4 0

Answer:

C. Combing like terms

Have a lovely day :)

You might be interested in
You have a jar of marbles. There are 15 red, 20 blue, 7 green, and 18 yellow marbles. You choose a marble at random from the jar
Nookie1986 [14]

Answer:

the right answer is b. 2/3

6 0
3 years ago
For which intervals the graphs of the functions f(x) = x^3 + x^2 - 4x - 4 is positive
Nookie1986 [14]

Step-by-step explanation:

Consider a function

f

(

x

)

which is twice differentiable. The graph of such a function will be concave upwards in the intervals where the second derivative is positive and the graph will be concave downwards in the intervals where the second derivative is negative. To find these intervals we need to find the inflection points i.e. the x-values where the second derivative is 0.

5 0
3 years ago
Correct answer gets brainlest
murzikaleks [220]

Answer: She needs to score at least a 98 on the sixth quiz to raise her average to at least 88.

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
A 15oz tea at a certain restaurant has 135 calories. How many calories are there in a 22 oz iced tea ?
crimeas [40]

\bf \begin{array}{ccll} oz&calories\\ \cline{1-2} 15&135\\ 22&x \end{array}\implies \cfrac{15}{22}=\cfrac{135}{x}\implies 15x = 2970 \\\\\\ x = \cfrac{2970}{15}\implies x = 198

5 0
3 years ago
Help please thank you
Tanya [424]

Answer:

the answer is 0.15

Step-by-step explanation:

you cound 0.10 + 0.04 + 0.01 and then you have 0.15

3 0
3 years ago
Read 2 more answers
Other questions:
  • What is 32/144 in simplest form?
    15·1 answer
  • The compressive strength of concrete is being tested by a civil engineer who tests 12 specimens and finds that the sample mean i
    8·1 answer
  • 36x - 8y2 when x=3 an y= -6
    8·1 answer
  • 550 es 10 veces mayor que 500​
    7·1 answer
  • Adrian wrote the standard form of an equation is 2x – 1/4y = 4. Ulises told him that the equation was not yet in standard form.
    5·1 answer
  • HELP PLS! whoever gets it right gets brainliest!!
    6·2 answers
  • Find the volume of a right circular cone that has a height of 11.9 ft and a base with a radius of 16.3 ft. Round your answer to
    9·1 answer
  • Can someone help please? ​
    6·1 answer
  • Which expression is equivalent to the expression shown below
    15·1 answer
  • Let f(x)=18/1+3^e-0.1x What is the point of maximum growth rate for the logistic function f(x)? Show all work. Round your answer
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!