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kompoz [17]
3 years ago
5

Two times a number plus four is 22. What is the number

Mathematics
2 answers:
Artist 52 [7]3 years ago
8 0
2n + 4 = 22
      -4   -4
    2n = 18
   n=9
LiRa [457]3 years ago
4 0
Use the expression to solve for the number.

2n + 4 = 22
2n = 22 - 4
2n = 18
n = 18/2
n = 9

The number is 9.

Hope this helps :)
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Melly was n years old last year. How old will she be in 4 years time?
deff fn [24]

Answer:

n + 5

Step-by-step explanation:

if last year melly was N year old, she is now n+1 years old.

So, in four years, she will be

(n + 1) + 4 years old

meaning that she will be n + 5 years old.

hope this helps!! :)

6 0
2 years ago
Read 2 more answers
What’s the length of AZ. If A is between Y and Z, Y A = 22, AZ = 16x, and Y Z = 166
VLD [36.1K]

Answer:

c) 144

Step-by-step explanation:

Since A is between Y and Z,

YZ = YA + AZ

116 = 22 + 16x\\16x = 116 - 22\\16x = 144\\x = 9

however, the question asks for the length of AZ, not the value of x.

Thus,

AZ = 16x

AZ = 16\\ × 9

AZ = 144

7 0
2 years ago
-4 x f (8) + 3 x g(-7) HELP ASAP
lubasha [3.4K]

Answer:

-32

Step-by-step explanation:

-4 + f(8) + 3 x g(-7) = ?

To find f(8), look at each of the f(x) function and find x = 8. The y value is the answer you will plug in for f(8). The same goes for g(-7), but you will be looking at the g(x) function at x = -7.

f(8) = -4

g(-7) = -8

Make sure you solve in the correct order using PEMDAS.

-4 + (-4) + 3 x (-8) = -32

8 0
2 years ago
(PHOTO) please help need this done by tomorrow thank you.​​
faltersainse [42]

Answer: 125

Step-by-step explanation: ∠4 and 55 are supplementary angles. This means that ∠4 and 55 add up to 180. We can use this to solve for ∠4.

180 - 55 = ∠4

125 = ∠4

So, ∠4 is equal to 125 degrees.

Would appreciate brainly <3

8 0
2 years ago
Three more than a certain number is 12 less than four times a number
k0ka [10]
  • Answer1.7          Step-by-ste explipcación:
4 0
3 years ago
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