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Ksenya-84 [330]
3 years ago
11

Can someone plz help me with #2, #3, #4, #14

Mathematics
1 answer:
Drupady [299]3 years ago
8 0
#2 is 5
#3 is 18.9
#4 is 14.1
#14 is yes it does
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What is the slope of the line through (-7,-8)(−7,−8)left parenthesis, minus, 7, comma, minus, 8, right parenthesis and (0,4)(0,4
ANEK [815]

Answer:

12/7

Step-by-step explanation:

When given two points, we can find the slope by using

m = (y2-y1)/(x2-x1)

   = (4 - -8)/ (0 - -7)

    = (4+8) / (0+7)

   = 12/7

5 0
3 years ago
Simplify: –4(x – 5) + 3(a – 7)
Serga [27]
-4 (x - 5) + 3 (a - 7)

First, expand your problem. / Your problem should look like: -4x + 20 + 3a - 21
Second, simplify. / Your problem should look like: -4x + 3a - 1

Answer: -4x + 3a - 1 (C)

8 0
3 years ago
Read 2 more answers
Pls help will give brainliest answer and 5star
Ipatiy [6.2K]

1. Which polygon or polygons are regular?

A regular polygon is a polygon that is equiangular (all angles are equal in measure) and equilateral (all sides have the same length).

Therefore your answer is:

A. equilateral triangle

C. square


2. Which polygon is always irregular?

traingle - NOT (equilateral triangle)

trapezoid - YES

square - NOT

hexagon - NOT (regular hexagon)

6 0
3 years ago
5x+4y= 10<br> –5x+y = 15
Ivahew [28]

Answer:

what exactly are we trying to solve for

6 0
3 years ago
What does the x=?...
ra1l [238]

Answer:

75 ft

Step-by-step explanation:

Let 20/50 = 30/x

So,

20X = 30x50

20x = 1500

X = 1500/20

X = 75

#HopeItHelps

7 0
2 years ago
Read 2 more answers
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