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Black_prince [1.1K]
4 years ago
10

Check me please ( brainlyest answer )

Mathematics
2 answers:
Tpy6a [65]4 years ago
6 0
Here are the answers:
1.  6+1+2+4+4+5=22.

Correct

2. 1 cm=5 ft. 6*5=30(2 times). 1*5=5. 2*5=10. 4*5=20(2 times). 

30+30+5+10+20+20=115.

Wrong.
drek231 [11]4 years ago
5 0
Your answer to the first one is incorrect.

We can cut the plan into two figures, a rectangle with side lengths of 4 cm and 5 cm and a rectangle with side lengths of 1 and 2 cm.

Perimeter of a Rectangle:

P = 2(l + w)

P = 2(4 + 5)

P = 2(9)

P = 18

Perimeter of a Rectangle:

P = 2(l + w)

P = 2(2 + 1)

P = 2(3)

P = 6

Add up the perimeters:

18 + 6 = 24

So the total perimeter is 24.

For the 2nd one, your answer is also incorrect.

We multiply 5 to the perimeter of the plans:

5 * 24 = 120

Not sure what the third one is asking.

For the fourth one we just multiply 'k' to the perimeter:

24 * k = 24k
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what is the measure of the vertex angle of an isosceles triangle i’d one of its base angles measures 42°
Naya [18.7K]

The measure of the vertex angle of the isosceles Δ is 96°

Step-by-step explanation:

In the isosceles triangle

  • Two sides are equal in lengths
  • The angle between the two equal sides is called vertex angle
  • The other two angles are called base angles
  • The base angles are equal in measure

∵ The measure of one of the base angles of an isosceles Δ = 42°

- The base angles are equal in measure

∴ The measure of the other base angle = 42°

∵ The sum of the measures of the interior angles of any Δ = 180°

∴ 42 + 42 + measure of the vertex angle = 180

∴ 84 + measure of the vertex angle = 180

- Subtract 84 from both sides

∴ measure of the vertex angle = 96°

The measure of the vertex angle of the isosceles Δ is 96°

Learn more:

You can learn more about the triangles in brainly.com/question/6530759

#LearnwithBrainly

8 0
3 years ago
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Answer:

The answer would be -10.

Step-by-step explanation:

It's -10 because -8-(-10) = 2

That is equal to -8 + 10 = 2 because two negative together make a positive number.

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In a board game, each player must roll a number cube and spin a spinner. The number cube is labeled with the numbers 1 through 6
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Step-by-step explanation:

Sorry if I am wrong. :) but it should be correct.

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