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stiv31 [10]
4 years ago
14

Please helllllpppppppp

Mathematics
1 answer:
professor190 [17]4 years ago
4 0
Area of a trapezoid
1/2(a+b)(h) where a and b are the parallel sides and h is the height.

a = 12.9, b = 8.6, h = 6.4

A = 1/2(12.9 + 8.6)(6.4) = 68.8 cm²
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Vertical angles are angles that are congruent.
alex41 [277]
True, vertical angles are always congruent.
8 0
3 years ago
25 + (9 x 2) in this problem? What would you do first to solve?
Sonbull [250]

Answer:

Solve what's in the parentheses

Step-by-step explanation:

You always solve what's in the parentheses first.

3 0
3 years ago
Please help me
jeyben [28]
Use Pythagorean theorem
a^2 + b^2 = c^2
Other words, lengths of the shortest sides squared are equal to the longest squared

a^2 + 9^2 = 15^2
a^2 + 81 = 225
a^2 = 144
a = squareroot of 144
a = 12

Solution: a = 12
8 0
3 years ago
I need help can anybody help me please ?
Mandarinka [93]

find the area first then add 22 and 5

6 0
3 years ago
nolan works at a sandwich shop. he needs to make 7 turkey sandwiches. each sandwich has 1/3 of a pound of turkey. how many pound
FromTheMoon [43]

Turn 7 into a fraction so it can be multiplied. > 7/1

Multiply 7/1 by 1/3.

7/1 × 1/3 = 7/3

Simplify 7/3 into a mixed number.

7/3 = 2 1/3

Nolan will need 2 1/3 lbs of turkey.

7 0
4 years ago
Read 2 more answers
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