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Tresset [83]
4 years ago
11

Adam has 28 model cars and airplanes. He has 16 model cars. The rest of his models are airplanes. Write and solve an equation to

find how many model airplanes Adam has
Mathematics
1 answer:
Phoenix [80]4 years ago
6 0

Answer:

Mathematical equation is Z = X + Y

Adam has 12  models of  airplane

Step-by-step explanation:

Let the total number of models of cars and air planes be represented by "Z"

Let the total number of models of cars be represented by "X"

Let the total number of models of air planes be represented by "Y"

Now the mathematical equation showing the relation between X, Y and Z is as follows -

Z = X + Y

Given ,

Z = 28\\X = 16

Substituting the given values in above equation, we  get -

28 = 16 + Y\\Y = 28 -16\\Y = 12

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lys-0071 [83]

Answer:

Pull terms out from under the radical, assuming positive real numbers.

Exact Form:

26-5√5

Decimal Form:

14.81966011...

7 0
3 years ago
Pleaseeee help me....Use the Law of Sines to solve the triangle. Round your answers to two decimal places.
alexira [117]

Answer:

  • a = 1.11
  • B = 105.4°
  • c = 2.95

Step-by-step explanation:

B = 180 -A -C = 105.4 . . . . sum of angles in a triangle is 180°

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The missing side lengths can be found from the Law of Sines:

  a/sin(A) = c/sin(C)

  a = c·sin(A)/sin(C) = 2.46·sin(21.2°)/sin(53.4°) ≈ 1.11

Likewise, ...

  b = c·sin(B)/sin(C) = 2.46·sin(105.4°)/sin(53.4°) ≈ 2.95

7 0
3 years ago
Which relationship is always true for the angles RXY and Z or the triangle ABC
aksik [14]

Answer:

the answer is

x + y + z = 180 degrees

proof

the sum of all angles in the triangles is always equal to 180 degrees

Step-by-step explanation:

8 0
3 years ago
Solve for b<br><br><br>117<br>63<br>27<br>160​
Alisiya [41]

Answer:

27

Step-by-step explanation:

180-153=b

b=27

3 0
3 years ago
Read 2 more answers
Find the interest earned.
SCORPION-xisa [38]
June is 30 days
30-12=18 days
July is 31 days
August is 30 days
Time=18+31+30=79 days
A=2,750×(1+0.035÷365)^(79)
A=2,770.91
Interest earned
I=A-p
I=2770.91-2750
I==20.91
4 0
3 years ago
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