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Svetach [21]
3 years ago
8

What is the solution set of {x | x < -3} ∩ {x | x > 5}

Mathematics
1 answer:
lozanna [386]3 years ago
7 0
Any x in this set will be real numbers that are both less than -3 and greater than 5. But that's not possible, so this set is empty.
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15. Find the perimeter:<br> 2x + 1<br> х<br> 3x
pantera1 [17]

Pre-Algebra Examples .The perimeter of a rectangle is equal to the sum of all sides of the rectangle. Substitute the values of the length l=2 l = 2 and width .

5 0
3 years ago
Find the sum or difference.
Strike441 [17]

Answer:

3y + 5

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Distributive Property

<u>Algebra I</u>

  • Combining Like Terms

Step-by-step explanation:

<u>Step 1: Define expression</u>

(4y + 3) - (y - 2)

<u>Step 2: Simplify</u>

  1. Distribute negative:                    4y + 3 - y + 2
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  3. Combine like terms (Z):              3y + 5
7 0
3 years ago
A building contractor is to dig a foundation 45 feet long, 16 feet wide and 6 feet deep. The contractor pays 13 dollars per load
9966 [12]

9514 1404 393

Answer:

  • 160 yd³ must be hauled
  • $520 is the cost

Step-by-step explanation:

There are 3 feet in a yard, so the volume of the hole is ...

  (45 ft)/(3 ft/yd) × (16 ft)/(3 ft/yd) × (6 ft)/(3 ft/yd)

  = (15 × 16/3 × 2) yd³ = 160 yd³ . . . volume to be hauled

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The cost is $13/(4 yd³), so the total cost will be ...

  ($13/(4 yd³)) × 160 yd³ = $520 . . . cost of hauling

3 0
2 years ago
3). Find the area of a triangle with a height of 15 cm and a base of 24 cm
tresset_1 [31]

Answer:

answer is 360

Step-by-step explanation:

multiply length times width

3 0
3 years ago
PLEASE HELP DUE SOON!!!
Mila [183]

Answer:

X + 50 = 130

Step-by-step explanation:

This is actually a subtraction equation although addition is how you set it up initially. X is the variable. You already have $50. You need $130.

To solve, subtract 50 from each side,

X + 50 - 50 = 130 - 50, and simplify,

X = 120.

Jordan will need $120 more to go to the Camp Rodeo Field Trip.

Hope this helps.

6 0
3 years ago
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