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Nataliya [291]
2 years ago
14

Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).

Mathematics
1 answer:
Lunna [17]2 years ago
3 0

Answer:

<u>3 days</u>, <u>27</u>

Step-by-step explanation:

After 3 days :

  • 3³ = 27 belts
  • 4(3) + 15 = 12 + 15 = 27 belts

After 3 days, the number of belts and wallets sold will be the same, equal to 27.

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Determine the most precise name for the quadrilateral
GalinKa [24]
Hi there! The answer is D. kite.

A kite is a quadrilateral with four sides. These four sides can be grouped into two pairs of two sides. The sides in a pair equal in length. The two pairs of angles are adjecent to each other.

An easy way to recognise this mathematical shape is by comparing it to a kite in real life (a kite is a frame covered with paper or plastic, designed to be flown in the air).

~ Hope this helps you!
6 0
3 years ago
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How many solutions does this system of equations have<br><br> 5m-4=7m+8
Stels [109]
Find value of m either add or subtract for m
5 0
3 years ago
█ HURRY IF YOUR SMART ANSWER THIS AND ILL GIVE YOU FREE POINTS █
erastova [34]

Answer:

C i think

Step-by-step explanation:

4 0
3 years ago
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PLEASE HELP WILL MARK BRAINLIEST!!
noname [10]

Answer:

m∠A = 91°

m∠B = 146°

m∠C = 89°

m∠D = 34°

Step-by-step explanation:

  • If the four vertices of a quadrilateral lie on the edge of a circle, then this quadrilateral is called cyclic quadrilateral
  • In the cyclic quadrilateral each two opposite angles are supplementary (means the sum of their measures is 180°)
  • The sum of the measures of the interior angles of any quadrilateral is 360°

In quadrilateral ABCD

∵ A, B, C, And D lie on the circumference of the circle

∴ ABCD is a cyclic quadrilateral

∴ The sum of the measures of each opposite angles is 180°

∵ ∠A and ∠C are opposite angle in the cyclic quadrilateral ABCD

∴ m∠A + m∠C = 180°

∵ m∠A = (2x + 3)°

∵ m∠C = (2x + 1)°

- Add them and equate the answer by 180

∴ (2x + 3) + (2x + 1) = 180

- Add the like terms in the left hand side

∴ 4x + 4 = 180

- Subtract 4 from both sides

∴ 4x = 176

- Divide both sides by 4

∴ x = 44

Substitute the value of x in the expressions of angle A, C, D

∵ m∠A = 2(44) + 3 = 88 + 3

∴ m∠A = 91°

∵ m∠C = 2(44) + 1 = 88 + 1

∴ m∠C = 89°

∵ m∠D = x - 10

∴ m∠D = 44 - 10

∴ m∠D = 34°

- ∠B and ∠D are opposite angles in the cyclic quadrilateral ABCD

∴ m∠B + m∠D = 180°

∴ m∠B + 34 = 180

- Subtract 34 from both sides

∴ m∠B = 146°

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3 years ago
Factor completely 5x^2 + 20x
murzikaleks [220]

Answer: 5x(x + 4)

hope i helped

7 0
2 years ago
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