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Yuki888 [10]
2 years ago
12

Help is needed please

Mathematics
1 answer:
enyata [817]2 years ago
8 0

Answer:

28.8

Step-by-step explanation:

23+2x+3x+13=180 simplify the left side

5x+36=180 subtract 36 from both sides

5x=144 divide both sides by 5 to isolate the variable

x=28.8

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use the given conditions to write an equation for the line in point slope form passing through (-5,7) and (-8,6)
KengaRu [80]
Point slope form is
y-y1=m(x-x1)
where slope=m
and (x1,y1) is a given point

slope=(y2-y1)/(x2-x1)
slope=(6-7)/(-8-(-5))=-1/(-8+5)=-1/-3=1/3

pick any point
(x,y)
(-5,7)

y-7=1/3(x+5) or
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5 0
2 years ago
If a particular set of data is approximately normally distributed, we would find that approximately A) 2 of every 3 observations
Kryger [21]

Answer:

A) No

B) No

C) Yes

Step-by-step explanation:

A)  2 out of three observations is equal to

2/3  = 0.67    or  67 %

We know tha the interval

[μ  -  σ/2 ,  μ + σ/2]  is approximately 68.3 % of the values

Therefore 2 out of 3 would not fall in that interval

B)

4 out of  5   is  4/5    = 0,8     or 80 %  If we  examine the interval

[μ  -  σ ,  μ + σ ]   which is approximately 95. Then value 4/5  ( 0,8)

Therefore 0,8 is out of the interval

C) 19/20 = 0,95     or 95 % is almost exact the value for the interval

[μ  -  1.5σ ,  μ + 1.5σ ]  That value is inside  μ - 2σ , μ + 2

8 0
2 years ago
What is equivalent to 8-8x
MrRissso [65]
8 - 8x is already in its simplest form.

Without knowing the value of x, you cannot find what is equivalent to 8 - 8x, but you can it if is an equation, such as 8 - 8x = 88 (x would be -10).

However, you can still rewrite it as -8x + 8, which is equivalent to 8 - 8x.


3 0
3 years ago
A hyena runs at a rate 32 miles per hour. Which equation models the situation? H = time spent running, in hours d = distance run
Nadusha1986 [10]

Answer:

32h = d

Step-by-step explanation:

IM SMART TRUST ME

4 0
2 years ago
A pair of pants normally cost $47.75 and is on sale of 35% off what is the selling price
almond37 [142]

Answer:

$31.04

Step-by-step explanation:

6 0
2 years ago
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