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Ksju [112]
3 years ago
10

A TRIANGLE has a base of 20 inches and height of 9 inches. What is its area? (a = 1/2bh)

Mathematics
1 answer:
scZoUnD [109]3 years ago
3 0

Answer:

90

Step-by-step explanation:

1/2x20x9=90

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Which is a reasonable estimate to the following problem 94 . 689
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3 years ago
Pls help and explain
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Answer:

C

Step-by-step explanation:

The answer is going to be miles per quart.  So B is wrong.

12 gallons allows you to travel 192 miles

1 gallon permits 192 / 12 = 16 miles / gallon. (Must be a truck of some kind).

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1 quart gives 16/4 = 4 miles / quart.

The answer is C.

==========================

There is a slightly shorter way

12 gallons contains 12 * 4 quarts = 48 quarts.

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1 quart permits 192/48 = 4 miles

4miles / quart.

The answer is still C

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3 years ago
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Ad libitum [116K]

Answer:

3

Step-by-step explanation:

3 0
2 years ago
Hello please help help
irinina [24]

9514 1404 393

Answer:

  48°

Step-by-step explanation:

ΔACB is isosceles, so angles A and B have the same measure. The measure of angle C in that triangle is ...

  ∠C = 180° -2(69°) = 42°

Angle C in ΔCDE has the same measure. Angle D is the complement of that:

  ∠D = 90° -42° = 48°

_____

The relations we used are ...

  • the sum of angles in a triangle is 180°
  • base angles of an isosceles triangle are congruent
  • vertical angles are congruent
  • acute angles in a right triangle are complementary
5 0
3 years ago
Look at the information below. The sum of the measures of angle M and angle R is 90°. © The measure of angle M is (5x + 10). The
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Answer:

Solution given;

<M=5x+10

<R=55

<M+<R=90°

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<u>5</u><u>x</u><u>=</u><u>9</u><u>0</u><u>-</u><u>6</u><u>5</u>

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8 0
2 years ago
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