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Reil [10]
4 years ago
14

Very confused on 1-3. please help

Mathematics
1 answer:
Arte-miy333 [17]4 years ago
6 0
1. the length of side DA is 2
2. the length of side AB is 4
3. ∆ADF is congruent to ∆BDE because all three pairs of sides are equal to one another.
side AD is congruent to side BD.
side DF is congruent to side DE.
side EB is congruent to side FA.
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Remove the parentheses from the following expression and combine like terms. 3(ax + b2 - c) + 2
melisa1 [442]
To remove the parentheses, you just distribute. 
So, it will become 3ax + 3b^2 - 3c +2. I don't think there is any like term in this expression. 
8 0
3 years ago
Read 2 more answers
Solve the inequality 7x - 35 < 2 [x - 5]
Daniel [21]

Answer:

x < 5

Step-by-step explanation:

Step 1: Simplify

7x−35<2x−10

Step 2: Substract 2x from both sides

7x−35−2x<2x−10−2x

5x−35<−10

Step 3: Add 35 to both sides

5x−35+35<−10+35

5x<25

Step 4: Divide by 5

5x/5 × 25/5

x < 5

8 0
3 years ago
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Need some help please
zaharov [31]

Answer:

Step-by-step explanation:

number 2

6 0
3 years ago
Evaluate 4 - 2(a2 – b2)2 when a = 3 and b = 2.
Anton [14]

Answer:

-46

Step-by-step explanation:

4 - 2(a^2 – b^2)^2 =

= 4 - 2(3^2 – 2^2)^2

= 4 - 2(9 - 4)^2

= 4 - 2(5)^2

= 4 - 2(25)

= 4 - 50

= -46

6 0
3 years ago
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How to solve 4+|7-m|=5
notka56 [123]
When
|a|=b
assume
a=b and -a=b
so

4+|7-m|=5
minus 4 from both sides
|7-m|=1
assume
7-m=1 and
-(7-m)=1

7-m=1
minus 7 both sidees
-m=-6
times -1 both sides
m=6

-(7-m)=1
distribute
-7+m=1
add 7 to both sides
m=8

m=6 and 8
4 0
3 years ago
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