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Oksana_A [137]
3 years ago
13

Identify the polynomial. x3- y3 + z a)monomial b)binomial c)trinomial ...?

Mathematics
2 answers:
fomenos3 years ago
8 0
In elementary algebra, a trinomial is a polynomial consisting of three terms or monomials.
Oksi-84 [34.3K]3 years ago
4 0

Answer:

i believe it is b but i need 20 charecters so bla bl BLA  LA

Step-by-step explanation:


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Hey can you please help me posted picture of question
larisa [96]
(5x - 2)^2 = 15

Square root both sides:
5x - 2 = \pm\sqrt{15}

Add 2 to both sides:
5x = pm\sqrt{15} + 2

Divide both sides by 5:
x =  \dfrac{ \pm\sqrt{15} + 2}{5}

Answers:
x = \dfrac{ \sqrt{15} + 2}{5} \ or \ \dfrac{ - \sqrt{15} + 2}{5}

Answer: (B) and (E)

5 0
3 years ago
Read 2 more answers
two trains leave stations 210 miles apart at the same time and travel tword each other. one train at 85 miles per hour while the
hodyreva [135]

recall your d = rt, distance = rate * time.


let's say we have two trains, A and B, A is going at 85 mph and B at 65 mph.


they are 210 miles apart and moving toward each other, at some point they will meet, when that happens, the faster train A has covered say d miles, and the slower B has covered then the slack from 210 and d, namely 210 - d.


When both trains meet, A has covered more miles than B because A is faster, however the time both have been moving, is the same, say t hours.


\bf \begin{array}{lcccl} &\stackrel{miles}{distance}&\stackrel{mph}{rate}&\stackrel{hours}{time}\\ \cline{2-4}&\\ \textit{Train A}&d&85&t\\ \textit{Train B}&210-d&65&t \end{array}\\\\ \dotfill\\\\ \begin{cases} \boxed{d}=85t\\ 210-d=65t\\[-0.5em] \hrulefill\\ 210-\boxed{85t}=65t \end{cases} \\\\\\ 210=150t\implies \cfrac{210}{150}=t\implies \cfrac{7}{5}=t\implies \stackrel{\textit{one hour and 24 minutes}}{1\frac{2}{5}=t}

3 0
3 years ago
68°<br> radius=4.2cm<br> A sector of a circle is shown. Find its area, rounded to the nearest tenth.
andrezito [222]

Answer:

10

Step-by-step explanation:

8 0
3 years ago
7th grade math help me please :(
coldgirl [10]

Answer:

<h2>92 remainder 280</h2>

Step-by-step explanation:

\frac{65600}{710}=92\:remainder\:280\\\\\frac{65600}{710}=92\frac{280}{710}

4 0
2 years ago
Find the probability of rolling a prime number on the first die and even number on the second
Zinaida [17]

Answer:

0.25

Step-by-step explanation:

Prime outcomes on a die: 2,3,5

P(prime) = 3/6 = 1/2

Even outcom: 2,4,6

P(even) = 3/6 = 1/2

P(prime & even)

= P(prime) × P(even)

= ½ × ½

= ¼ or 0.25

4 0
3 years ago
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