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LuckyWell [14K]
3 years ago
10

Five more than twice a number is equal to 19. What is that number A.)6 B.)7 C.)12 D.)28

Mathematics
1 answer:
yan [13]3 years ago
4 0
The answer is B) 7 because 7*2 =14. 14+5=19
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Find the surface area of the regular pyramid
butalik [34]

Answer:

<h3 /><h3><em>surface are of the pyramid =(1/2×6×5.2)+(3×1/2×6×10) =15.6+90 =105.6 yd²</em></h3>
5 0
2 years ago
11. x squared - 7x = 0 12. 3x squared - 4x = 20x + 27
Stella [2.4K]
11. x² - 7x = 0
      x(x) - x(7) = 0
      x(x - 7) = 0
      x = 0    or    x - 7 = 0
                           + 7 + 7 
                               x = 7

Solution Set: {0, 7}

12. 3x² - 4x = 20x + 27
           + 4x   + 4x
             3x² = 24x + 27
      3x² - 24x - 27 = 0
      x = -(-24) ± √((-24)² - 4(3)(-27))
                              2(3)
       x = 24 ± √(576 + 324)
                         6
       x = 24 ± √(900)
                     6
       x = 24 ± 30
                 6
       x = 4 ± 5
       x = 4 + 5    or    x = 4 - 5
       x = 9    or    x = -1

Solution Set: {9, -1}
8 0
3 years ago
How do you do 11-2(3m-10)=5(4-m)
Nastasia [14]

Exact Form:

m= 69/19

Decimal Form:

m=3.63157894…

Mixed Number Form:

m= 3 12/19

4 0
3 years ago
The populations of two towns, town A and town B, are being compared. The population of town A is 4×104 and the population of B i
ICE Princess25 [194]

Answer:

The population of town A is greater than B. Town A is 206 times greater than town B.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
3. What is the greatest common factor (GCF) of: *<br> 48x2 and 32x3
ella [17]

Answer:

96

Step-by-step explanation:

48*2=96

32*3=96

GCF=96

8 0
3 years ago
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