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-BARSIC- [3]
2 years ago
14

Please help, I do not want any links. What is the value of 7x - 2x + 3, when x = 5?

Mathematics
1 answer:
Inessa05 [86]2 years ago
3 0

Answer:

28

Step-by-step explanation:

hope this helped

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What is equivalent to 5^3•5^4
mafiozo [28]

Answer:

{5}^{7}

Step-by-step explanation:

5^3•5^4 =  {5}^{3 + 4}  =  \purple{ \bold{ {5}^{7} }}

8 0
3 years ago
Raul's pet store has a play area that can fit up to 30 cats and dogs. His son is allergic to cats so the pet store never has mor
a_sh-v [17]

Answer:

Step-by-step explanation:

Let :

C = number of cats

D = number of dogs

Raul's pet store has a play area that can fit up to 30 cats and dogs.

C + D = 30

The pet store never has more than 8 cats in the play areas.

<h2>C < 9</h2>

(there can never be 9 or more cats)

As or the number of dogs :

C + D = 30

C = 30 - D

Since we know that C < 9. To get the number of dogs allowed, we just plug in 30 - D for C.

30 - D < 9

30 - 9 < D

or

<h2>D > 21</h2>

(dogs have to be 22 or more)

5 0
1 year ago
2 Nine identical circles are cut from a square sheet of paper whose sides are
Ivanshal [37]

Answer:

278.64cm²

Step-by-step explanation:

Area of the sheet left out = Area of the square - Area of the 9 circles

Area of the square = L^2

L is the side length of the square

A = 36^2

Area of the square = 1296cm^2

Diameter of a circle = 38/3 = 12cm

Area of a circle = πr²

r is the radius = 12/2 = 6cm

Area of a circle = 3.14(6)²

Area of a circle = 3.14 * 36

Area of a circle = 113.04cm²

Area of 9 circles = 9 * 113.04

Area of 9 circles = 1,017.36cm²

Area of the left over = 1296 - 1,017.36

Area of the left over = 278.64cm²

6 0
2 years ago
Write this expression in a different way. 2x-438
yaroslaw [1]
2x-438 = -438+2x= 2(x-219)
3 0
3 years ago
What expressions are equivalent to (a^2-16)(a+4)
Eddi Din [679]

Answer:

[(a)^2-(4^2)](a+4)

Step-by-step explanation:

7 0
2 years ago
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