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Elenna [48]
3 years ago
12

Worth LOTS OF POINTS PLZ! Is -1/2n+ 1 1/2n+3-n equivalent to 3 ? Explain

Mathematics
1 answer:
tino4ka555 [31]3 years ago
5 0
The answer is 3. -1/2 n + 1 1/2 n add the coefficients to get 1n or just n. then n-n is 0 what is left is 3.
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Please help:<br> In Δ ABC, sin A= 77, sin C= 23, and c =16, find the length of A.
Dafna1 [17]

Answer:

39.9

Step-by-step explanation:

a/sinA = c/sinC

a/sin(77) = 16/sin(23)

a = sin(77) × 16/sin(23)

a = 39.89935764

3 0
3 years ago
For brainly and points
Assoli18 [71]

Answer:18

Step-by-step explanation:

C) 18 is the correct answer.

2m/3 +5=17

or,2m/3 =17-5

or,2m/3 =12.

Now doing criss cross multiplication,

or,3×12=2m×1

or,36=2m

m=18

If you found my answer useful then please mark me brainliest.

8 0
3 years ago
Read 2 more answers
-1 (x-4) in distibutive property
valina [46]

Answer:

-x+4

Step-by-step explanation:

-1(x-4) any expression multipled by 1 remains the same

-(x-4) remove the parenthesis

-x-4

8 0
3 years ago
Read 2 more answers
Mr. Jones wants to buy 6 tickets to a play. Each ticket costs $10. Mr. Jones has $45 in his pocket.
lawyer [7]

Answer:

He needs $15 more

Step-by-step explanation:

since each ticket costs $10 dollars, and there is 6 tickets, we need to multiply 10 x 6 to get the total cost of all tickets

10 x 6 = $60

To find how much more money he needs to buy all tickets, we need to subtract $45 from the total cost of tickets, which is $60

$60 - $45 = $15

Hope you understand this explanation!

8 0
3 years ago
He length of a rectangle is 7 ft more than twice the width, and the area of the rectangle is 99 ft2 . find the dimensions of the
inysia [295]
Let the width be x 

Length= x+7 

Area=lw 

99=(x+7)(x) 
99=x²+7x 
0=x²+7x-99 
x= -14.04 or x=7.04

Since a length cannot be negative, the width is 7.04 ft and the length (7.04+7)=14.07 ft

Hope I helped :) 
8 0
3 years ago
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