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3 years ago

I need emergent help matching these math words

Mathematics

2 answers:

Blababa [14]3 years ago

8 0

Complementary angles - the sum of two angles equals 90 degrees

Exterior angle theorem- the sum of the remote interior angles of a triangle equals the outside angle

Isosceles triangle- has two equal sides and two equal angles

Supplementary angle- the sum of two angles equals 180 degrees

Triangle sum theorem- the sum of of interior angles equal 180

Vertical angles- congruent angles that are opposite of each other.

Nesterboy [21]3 years ago

7 0

Answer:

Complementary angles - the sum of two angles equals 90 degrees

Step-by-step explanation:

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Evaluate each expression. 8/7 + 4/7

Galina-37 [17]

Answer:

1 4/7

Step-by-step explanation:

8/7 + 4/7 = 12/7. Simplified = 1 4/7

5 0

2 years ago

Read 2 more answers

If 3x + 5y = 2 and 2x - 4y = 20, what is 5x - y?

gavmur [86]

Answer:

= 298/11

Step-by-step explanation:

3x + 5y = 2 | ×2 |

2x - 4y = 20 | ×3 |

6x + 10y = 4

6x - 12y = 60

____________--

22y = -56

y = -56/22

y = -28/11

3x + 5y = 2 | ×4 |

2x - 4y = 20 | ×5 |

12x + 20y = 8

10x - 20y = 100

_____________+

22x = 108

x = 108/22

x = 54/11

5x - y

= 5(54/11) - (-28/11)

= 270/11 + 28/11

= 298/11

8 0

3 years ago

Jada was using square stickers with a side length of 3/434 inch to decorate the spine of a photo album. The spine is 10 1/21012

Yuki888 [10]

Answer: The number of stickers she used to cover the length of the spine = 14.

Step-by-step explanation:

Given: The length of spine = $10\dfrac12$ inches = $\dfrac{21}{2}$ inches

Length of each sticker = $\dfrac34$ inch

If she laid the stickers side by side without gaps or overlaps, the number of stickers she use to cover the length of the spine = $\text{(Length of spine)}\div (\text{Length of each sticker})$