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leva [86]
3 years ago
12

I need to know the answers to 10-27!!!! Plz label each number

Mathematics
1 answer:
Virty [35]3 years ago
3 0
10) 46
11) 115
12) 23
13) 161
14) 92
15) 138

16) 0.368
17) 9
18) 765
19) 336
20) 122.1
21) 0.45

22) 52
23)$33.60
24) 1 hour 12 minutes
25) 95
26) 398.24
27) A)
           Test        Number Correct       Score       Total
           Math                68                  ( 80% )          85
           Science         ( 63 )                  90%            70

      B) Science
      C) 48 Questions
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If bd = 7x-10, bc = 4x-29, and cd = 5x-9, find each value
Airida [17]

Answer:

bd=88, bc=27, cd=61

Step-by-step explanation:

In this problem we have that

bd=bc+cd

we have

bd=7x-10

bc=4x-29

cd=5x-9

substitute the values and solve for x

7x-10=(4x-29)+(5x-9)

Group terms that contain the same variable in the right sides

7x-10=(4x+5x)+(-29-9)

Combine like terms in the right side

7x-10=9x-38

9x-7x=-10+38

2x=28

x=14

<u><em>Find the value of bd</em></u>

bd=7(14)-10=88

Find the value of bc

bc=4(14)-29=27

<u><em>Find the value of cd</em></u>

cd=5(14)-9=61

4 0
3 years ago
What's the value of x <br>-1+6x=-2
ExtremeBDS [4]
-1 + 6x = - 2    |add 1 to both sides

6x = -1    |divide both sides by 6

x = - 1/6
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