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2 years ago

Line AB is rotated to form A'B'¯¯¯¯¯¯¯ .

Mathematics

2 answers:

sleet_krkn [62]2 years ago

6 0

I think the correct answer is A. Hope this helps.

drek231 [11]2 years ago

6 0

The answer is B. I just took the test.

I hope this helps! :)

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Solving Rational equations. LCD method. Show work. Image attached.

kenny6666 [7]

Answer:

$m=-\frac{3}{2}$

Step-by-step explanation:

The given equation is

$\frac{m}{m+1}+\frac{5}{m-1}=1$

The Least Common Denominator is $(m-1)(m+1)$ .

We multiply through by the LCD to get;

$(m-1)(m+1)\times \frac{m}{m+1}+(m-1)(m+1)\times\frac{5}{m-1}=(m-1)(m+1)\times1$

Simplify

$(m-1)\times \frac{m}{1}+(1)(m+1)\times\frac{5}{1}=(m-1)(m+1)\times1$

$m(m-1)+5(m+1)=(m-1)(m+1)$

Expand;(Use difference of two squares on the right hand side)

$m^2-m+5m+5=m^2-1$

Group similar terms;

$m^2-m^2-m+5m=-1-5$

Simplify;

$4m=-6$

Divide through by 4.

$m=\frac{-6}{4}$

$m=-\frac{3}{2}$

6 0

3 years ago

What is the 20th term of the sequence 2n-5? I need help.

Dafna11 [192]

Answer: 35

Step-by-step explanation: substitute 20 into n,

2(20)-5

40-5

6 0

2 years ago

Read 2 more answers

Easy question i will mark braineliest

Yuki888 [10]

Answer:

Step-by-step explanation:

$5(y - 3.8) = 4.7(y - 4)$

Distribute 5 through the parentheses

$5y - 19 = 4.7(y - 4)$

Distribute 4.7 through the parentheses

$5y - 19 = 4.7y - 18.8$

Move ' 4.7 y ' to L.H.S and change it's sign

$5y - 4.7y - 19 = - 18.8$

Move constant to R.H.S and change it's sign

$5y - 4.7y = - 18.8 + 19$

Collect like terms

$0.3y = - 18.8 + 19$

Calculate

$0.3y = 0.2$

Divide both sides of the equation by 0.3

$\frac{0.3y}{0.3} = \frac{0.2}{0.3}$

Calculate

$y = 0.67$

Hope this helps...

Best regards!!

3 0

3 years ago

Read 2 more answers

Mr. Robins earns a commission on each airfare he books. At the end of the day, he had booked $208.60 worth of airfare and earned

Marina86 [1]

Answer:

15%

Step-by-step explanation:

His rate is ...

rate = commission/sales · 100% = 31.29/208.60 · 100%

rate = 15%

Mr. Robins' commission rate is 15% of bookings.

3 0

3 years ago

Read 2 more answers

17% of students in a class have brown hair. If 6 students are chosen at random, what is the probability that exactly 3 have brow

dezoksy [38]

Answer:

6.8%

Step-by-step explanation:

the question has no information about class size (no. of student in class)

assume no. of student is infinite

P(3brown out of 6) = 6C3 * P(brown)^3 * P(not brown)^3

= 20 * 0.004913 * 0.695789

= 0.06837

3 0

2 years ago

Line AB is rotated to form ​ A'B'¯¯¯¯¯¯¯ ​.

Line AB is rotated to form A'B'¯¯¯¯¯¯¯ .