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alisha [4.7K]
3 years ago
12

this isn't a test I'm just trying to make up some missing work and this one really confuses me if you guys could explain it the

question is in the screenshot I linked to this question

Mathematics
2 answers:
skelet666 [1.2K]3 years ago
8 0

Answer:

They are saying that they have this conference room mapped out on a poster board kinda like a road map. But if you put something that big on a board it wont fit. So they had to make it small enough to fit it. When they say that 1/2  on the board is equal to 12 feet in the real room, They are tell you the scale you have to go by. So then they give you 3 1/2 inches on the board. You would see how many 1/2 inches there are in 3 1/2, which is 7, and multiply 7 by 12. The answer would be 84 feet. So they are say that 3 1/2 inches on the poster board, represents 84 feet in the real room.

Step-by-step explanation:

yan [13]3 years ago
3 0
Yeah what dude that just answered said
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Solve this problem as FAST as YOU can
natka813 [3]

That's actually tough

3 0
3 years ago
the sum of the first six terms of a geometric series is 21/16 . if the common ratio is -1/2 , what is the first term?
Oksanka [162]

Answer:

-84

Step-by-step explanation:

The formula for the nth term of a geometric progression is

Un = ar^n- 1

The sum of the first six terms of a geometric series (U6) = 21/16

Common ratio = -1/2 ,

a = First term ??

21/16 = a × (-1/2 )^6- 1

21/16 = a ×(-2^-1)^5

21/16 = a × -2^-6

Cross Multiply

16 × a × -2^-6 = 21

a = 21/16 × -2^-6

a = 21/16 ×- 1/2⁶

a = 21/16 × -1/64

a = 21 ÷(-1/4)

a = 21 × -4

a = -84

The first term = 84

8 0
3 years ago
Z=Xm+n-p,solve for x
timama [110]

z=xm+n-p

We need to isolate x to one side I will do that on the left side so it looks cleaner, therefore I will first flip the equation.

xm+n-p=z

Now move the n and p to the right side

xm=z-n+p

x=(z-n+p)/m

Hope this helped, if you have any questions about this just comment and I will come answer.

6 0
3 years ago
PLEASE HELP! (picture is shown) <br> which of the following points are collinear in this image?
algol [13]

Answer:

F, K & G

Step-by-step explanation:

Points are colinear if they lie on the same straight line.

only K , F & G line on a straight line.

5 0
3 years ago
Read 2 more answers
1∕2x – 2y + 2z –3z + 3∕4x – y
kogti [31]

Answer:

x-3y-z

Step-by-step explanation:

separate common terms and add them

1/2x+3/4x=1x

-2y-y=-3y

2z-3z=-1z

1x-3y-1z

6 0
4 years ago
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