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Zarrin [17]
2 years ago
9

How can you know if this equation is true? 1/3+1/5=2/8=1/4

Mathematics
1 answer:
Harman [31]2 years ago
6 0

By finding like denominators, you can add the fractions on each side. Then, compare by cross multiplying.

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The angle measurements in the diagram are represented by the following expressions.
Aleonysh [2.5K]

Answer:

x = 6

∠B = 126

Step-by-step explanation:

∠A = ∠B through alternate interior angles

∠A = ∠B

8x + 78 = 2x + 114

8x - 2x = 114 - 78

6x = 36

x = 36 ÷ 6

x = 6

∠B = 2x + 114

2(6) + 114

12 + 114

= 126

3 0
3 years ago
Read 2 more answers
Find the common factor out of -12+15x.
KiRa [710]
It would be: -12 + 15x = 3(-4+5x)

So, after common factor out, your answer is 3(-4+5x)

Hope this helps!
4 0
3 years ago
Astronomers treat the number of stars in a given volume of space as a Poisson random variable. The density in the Milky Way Gala
umka21 [38]

Answer:

a) 0.264

b) 48 cubit light-years

Step-by-step explanation:

For calculating a)  What is the probability of 3 or more stars in 16 cubic light years?

a)

λ= 1 star/16 cubic light-years

t= measure t in units of 16 cubic light years.

E(Y) = λ t = (1/16)(16) = 1 star

P(X>=2) = 1 - P(X<2)

= 1 - [e^-1 + (e^-1)(1)/1!]

= 0.264

b)

P(X≥1) = 1 - P(X=0)

= 1 - e^-μ

0.95 = 1 - e^-μ

e^-μ = 1 - 0.95

e^-μ = 0.05

ln(e^-μ) = ln(0.05)

-μ = -3

μ = 3

Therefore  3 x 16 = 48 cubic light years of space

4 0
3 years ago
8x -5(x - 1) = 4(x + 2)<br><br> solve for x, and show work please.
bija089 [108]

Hope this helps, even though I do feel that it could be wrong. Welp, I gave it my best shot.

4 0
3 years ago
Read 2 more answers
7. A recent medical survey reported that 45% of the respondents felt that the doctor explained their condition in a sufficient m
vovikov84 [41]

Answer:

a)0.866

b)0.9623

Step-by-step explanation:

8 0
3 years ago
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