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aalyn [17]
3 years ago
14

5. Solve. 1/2 p +9/ 4 = 7 / 4

Mathematics
1 answer:
Papessa [141]3 years ago
4 0

Answer:P=-1

Step-by-step explanation:

1/2-1+9/4=7/4

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If ef = 19 and fg = 12 then ef = ???
REY [17]
Ef=19, as given in the question.
5 0
3 years ago
How many numbers bewteen 50 and 150 have at least one digit that is 2
mr Goodwill [35]

Answer:

52 62 72 82 92 102 112 120 121 122 123 124 125 126 127 128 129 132 142

there are 19.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
The sum of twice a number d and 13 is 12
Mariana [72]
2d + 13 = 12

d = -0.5

-0.5 × 2 = -1

13 + (-1) = 12

Hope this helped☺☺

Explanations:

Twice a number d and 13 = 2d + 13 

The sum = Total 

Is 12 = "= 12"

That equals :

2d + 13 = 12




4 0
4 years ago
What is 2x(4x 2 −8x+7)
mote1985 [20]

Answer:

x =(8-√176)/8=1-1/2√ 11 = -0.658

Step-by-step explanation:

3 0
3 years ago
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Given that x^2 - y^2 = 45 and x + y = 9, find the values of x and y.
eimsori [14]

Answer:

x = 7

y = 2

Step-by-step explanation:

x² - y² = 45    

(x+y) (x-y) = 45

x + y = 9   (known)

9 x  (x-y) = 45

x - y = 5

y = x-5  

x + (x - 5) = 9  (substitute)

2x = 14

x = 7

y = 2

8 0
3 years ago
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