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Lemur [1.5K]
3 years ago
12

Please help me on this question

Mathematics
2 answers:
Masja [62]3 years ago
8 0

Answer:

The number is 5

Step-by-step explanation:

Let x be the number

3x+5+x = 25

Combine like terms

4x+5 = 25

Subtract 5 from each side

4x+5-5 = 25-5

4x = 20

Divide by 4

4x/4 = 20/4

x = 5

nlexa [21]3 years ago
7 0

Answer:

Step-by-step explanation:

so what you can do is multiply numbers by three then add five and see if you get twenty -five

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A pair of snow boots at an equipment store in Big Bear that originally cost $60 is on sale for 40% off. Then, you have a coupon
Liono4ka [1.6K]

Answer:

30 dollars i think

Step-by-step explanation:

8 0
3 years ago
When comparing the functions using the equation, which conclusion can be made?
ankoles [38]

Answer:

  domain of f(x) is x ≤ 0; domain of f^-1(x) is x ≥ 4

Step-by-step explanation:

The square root function will always give a positive value, so the opposite of the square root function will give non-≤positive values. That means ...

  • the domain of f(x) is restricted to non-positive values
  • the domain of the inverse function is restricted to values of x that make the root be of a non-negative number: x ≥ 4

The domain of f(x) is x ≤ 0; the domain of f^-1(x) is x ≥ 4.

8 0
3 years ago
Hamid bought 4.5 pounds of strawberries. The total cost of the strawberries was $8.10. How much did each pound of strawberries c
ankoles [38]

Answer:

$1.80 per pound

Step-by-step explanation:

divide the cost by the number of pounds of strawberries to get your answer

3 0
3 years ago
Read 2 more answers
Which decimal has the greater value: 8,516.50 or 8,516.90?
Lerok [7]
8,516.90 has the greater value.

4 0
3 years ago
Read 2 more answers
The width of a rectangle is 7 inches less than its length. The area of the rectangle is 120 square inches. Solve for the dimensi
lukranit [14]
A) w + 7 = L
B) w * L = 120
A) w = L -7 then substituting this into B)
(L-7) * L = 120
L² -7L = 120
L² -7L -120 = 0
Solving by quadratic Formula:
L1 = 15 
L2 = -8

If length = 15, then width = 8




4 0
3 years ago
Read 2 more answers
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