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Ivahew [28]
3 years ago
6

The sum of one-half a number and 7 is twice the number minus 5.What is that number?

Mathematics
3 answers:
Elan Coil [88]3 years ago
8 0

Answer:

N/2 + 7 = 2N - 5

N + 14 = 4N - 10

24 = 3N

N = 8

Tamiku [17]3 years ago
3 0

Answer:

1/2n + 7 = 2n - 5

2 · 1/2n + 7 · 2 = 2n · 2 - 5 · 2

n + 14 = 4n - 10

n - n + 14 = 4n - n - 10

14 = 3n - 10

14 + 10 = 3n - 10 + 10

24 = 3n

24 / 3 = 3n / 3

n = 8

Step-by-step explanation:

Britteny 3 years ago
0 0

Gif job way to go

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Answer:

Answers below

Step-by-step explanation:

3 0
3 years ago
What’s this problem
Bezzdna [24]

Answer:

use FOIL- Firsts Outsides Insides Lasts

  1. Multiply the -4 and -3 as they are the first numbers of each brackets -4x-3=12
  2. Next the outsides so -4x6i as they are on the outskirts of each brackets -4x6i= -24i
  3. Insides so 3i and -3 as they are in the centre of the two brackets 3ix-3= -9i
  4. Lasts so 3i and 6i as they are at the end of each bracket 3ix6i=18i^2 ( i squared)
  5. add the answers together - 12+-24i+-9i+18i^2= 12-24i-9i+18i^2
  6. Simplify by adding like terms which is -24i and -9i.
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3 0
4 years ago
What adds up to 11 and multiplies to -80
Aliun [14]
Let your number be x

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7 0
3 years ago
Read 2 more answers
Trevor Linden, a former player for the Vancouver Canucks, is 1.93 m tall. On a hockey card, he is 5.4 cm tall. What scale was us
Anastaziya [24]

Answer:

scale  used to print the hockey card is 27/965

scale  used to print the hockey card in decimal  is 1/35.74

Step-by-step explanation:

we know that in scale problems

scale is used in drawing to enlarge or reduce size of object by a certain amount

scale = size of object in drawing/ actual size of object

Height of trevor = 1.93 m

we know that  1 m = 100 cm

Height of trevor in cm = 1.93 m*100 = 193 cm (actual size)

(this is done so that unit of measurement is same for card and trevor's height i.e cm)

Trevor's card on hockey card = 5.4 cm(size in drawing)

scale used = Trevor's card on hockey card /Height of trevor in cm

                    = 5.4/193 = 54/ 1930 = 27/965

scale  used to print the hockey card is 27/965

scale  used to print the hockey card in decimal  is 1/35.74

7 0
4 years ago
There is a baseball hit towards the fence with a velocity of 40 ft/sec from an initial height of 24 feet (someone is hitting fro
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Answer:

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Step-by-step explanation:

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