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andrew11 [14]
3 years ago
8

Harold is placing a mat of width w+4 around a 16 in. by 20. portrait. If Dan expression for the perimeter of the outer edge of t

he mat
Mathematics
1 answer:
julsineya [31]3 years ago
5 0

Answer:

4w234

Step-by-step explanation:

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What are the answers to these i put them in the picture
tekilochka [14]
The problem to number 1 is a inequality, so
x-2<-7
x<-5
since it is < it will have open dot.
Answer:  C

2.  x/3>-3
      x>-9

Answer: D

3.  5p+26<72
                5p<46
                 p<9.2

Answer: C

4.  -3w+3>=18
      -3w>=15
       x<=-5

5. 15x-21>= 12x+18
        x>=13
Answer A

6:  |3x|=15
Absolute values positive so {-5,5}
Answer: B
7: |2x-3|=5
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8 0
3 years ago
1. The population of a town was 5655 in 2010. The population grows at a rate of 1.4% annually.
DaniilM [7]

Answer:

Step-by-step explanation:

a) We would use the formula for exponential growth model which is expressed as

y = b(1 + r)^t

Where

y represents the population after t years.

t represents the number of years.

b represents the initial population.

r represents rate of growth.

From the information given,

b = 5655

r = 1.4% = 1.4/100 = 0.014

Therefore, the equation would be

y = 5655(1 + 0.014)^t

y = 5655(1.014)^t

b) in 2022, t = 2022 - 2010 = 12 years

y = 5655(1.014)^12

y = 6682

6 0
3 years ago
When using re-grouping to solve 21 x 43, what are the four products that would be calculated and then added?
pshichka [43]

Answer:

c

Step-by-step explanation:

21×43

=(20+1)×(40+3)

=800+40+60+3

3 0
2 years ago
Read 2 more answers
A number increased by 25% becomes 30 the number is​
Masteriza [31]

Answer:

24

Step-by-step explanation:

Let 'x' be the number

x +25% of x = 30

x + 0.25x = 30

1.25x = 30

x = 30/1.25

x = 24

6 0
3 years ago
Solve the following system of equations for x<br> 2x-y=4<br> y-x=4
Yuliya22 [10]

Answer:

What do i do???

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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