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tiny-mole [99]
3 years ago
11

A12 ft by 15 ft rectangle has a 3 ft surface surrounding it. What is the perimeter of the surrounding surface?

Mathematics
1 answer:
tiny-mole [99]3 years ago
7 0

The Answer is 7.5. I hope this helped you


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Find the missing parts of the triangle. Round to the nearest tenth when necessary or to the nearest minute as appropriate.
Katena32 [7]

Answer:

  • A) A = 27.3°, B = 56.1°, C = 96.6°

Step-by-step explanation:

<u>Use the Law of Cosines:</u>

  • A = arccos [(b² + c² - a²)/(2bc)] = arccos [(13.2² + 15.8² - 7.3²)/(2*13.2*15.8)] = 27.3°
  • B = arccos [(a² + c² - b²)/(2ac)] = arccos [(7.3² + 15.8² - 13.2²)/(2*7.3*15.8)] = 56.1°
  • C = 180° - (A + B) = 180° - (27.3° + 56.1°) = 96.6°

Correct choice is A.

3 0
3 years ago
A bakery offers a sale price of $2.60 for 6 muffins. What is the price per dozen?
Bas_tet [7]

Answer:

$5.20

Step-by-step explanation:

A dozen is 12, so multiply by two.

2.60 * 2 = $5.20

7 0
3 years ago
Read 2 more answers
Isaac has 21 green marbles and 7 blue .He wants to place them in identical groups without any marbles left over.What is the grea
dybincka [34]

Answer:

7 groups

Step-by-step explanation:

Each group would have 1 blue marble and 3 green marbles

8 0
3 years ago
John pays a $3 monthly service fee plus 11 cents per minute. his bill was $23.13. how many minutes did he use?
xenn [34]
Pretty sure its 183. correct me if im wrong tho
5 0
3 years ago
Two parallel lines are cut by a transversal. Which statements are true for all such cases? Select three that apply.
Misha Larkins [42]

Question:

Two parallel lines are cut by a transversal. Which statements are true for all such cases? Select three that apply.

A.Each pair of vertical angles is congruent.

B.Each pair of corresponding angles is congruent.

C.Each pair of supplementary angles is congruent.

D.Each pair of alternate interior angles is congruent.

<u>Answer</u>:

The following statements are true

A.Each pair of vertical angles is congruent.

B.Each pair of corresponding angles is congruent

D.Each pair of alternate interior angles is congruent.

<u>Step-by-step explanation: </u>

When straight lines intersect, vertical angles appear.

Vertical angles are ALWAYS equal in measure,

whether the lines are parallel or not.They  share the same Vertex

Two angles, one in the interior and one in the exterior, that are on the same side of the traversal are Known as Corresponding angles. Corresponding angles are non-adjacent and congruent.

Alternate interior angles are two angles in the interior of the parallel lines, and on opposite (alternate) sides of the transversal. Alternate interior angles are non-adjacent and congruent.

7 0
3 years ago
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