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inysia [295]
4 years ago
9

Five different books (A, B, C, D and E) are to be arranged on a shelf. Books C and D are to be arranged first and second startin

g from the right of the shelf. The number of different orders in which books A, B and E may be arranged is
A. 5
B. 3
C. 2
D. 6
Mathematics
1 answer:
vekshin14 years ago
5 0
Your answer would be B.
HOPE THIS HELPS YOU! ^_^
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HELP IM FAILING MATH OOOOFFFF
meriva

The point-slope form:

y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (-4,\ -1) and \left(\dfrac{1}{2},\ 3\right).

Substitute:

m=\dfrac{3-(-1)}{\frac{1}{2}-(-4)}=\dfrac{4}{4\frac{1}{2}}=\dfrac{4}{\frac{9}{2}}=4\cdot\dfrac{2}{9}=\dfrac{8}{9}\\\\y-(-1)=\dfrac{8}{9}(x-(-4))\\\\y+1=\dfrac{8}{9}(x+4)

The standard form: Ax + By = C

y+1=\dfrac{8}{9}(x+4)\qquad\text{multiply both sides by 9}\\\\9y+9=8(x+4)\qquad\text{use distributive property}\\\\9y+9=8x+32\qquad\text{subtract 9 from both sides}\\\\9y=8x+23\qquad\text{subtract 8x from both sides}\\\\-8x+9y=23\qquad\text{change the signs}\\\\\boxed{8x-9y=23}

4 0
4 years ago
At 11 hours, 42 minutes and 5 hours, 46 minutes ​
butalik [34]

Answer

https://zoom.us/j/99385592884?pwd=ajVOcXZSbGcyT3N3N0kxQm5Zek81Zz09er:

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Solve the inequality <br> -7&lt;3x+5 less than or equal to(no sign for that)7
olganol [36]

Answer:

x=-1

Step-by-step explanation:

-7 < 3(x) + 5 ≤  7

-7 < 3(-1) + 5 ≤  7

-7 < -3 + 5 ≤  7

-7 < 2 ≤  7

6 0
3 years ago
Ciao i am going into highschool next year and i was wondering does any one have tips
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Answer:

pay attention and do what your supposed to do and you'll be fine also dont pick the wrong group of friends.

Step-by-step explanation:

please mark brainliest... <3

5 0
3 years ago
What is the slope of the equation y = 3/4x + 8?<br>A. 3/4<br>B. 8<br>C. 3<br>D. 4<br>​
steposvetlana [31]

Answer:

Step-by-step explanation:    

y = m x + b

y = 3 /4 x − 8

Rewrite in slope-intercept form.

y = 3 /4 x − 8

Using the slope-intercept form, the slope is  3 /4 .

m =3 /4

6 0
4 years ago
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