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never [62]
3 years ago
8

Please answer the attached question by selecting of the the given answers.

Mathematics
1 answer:
Alchen [17]3 years ago
5 0

Answer:

The correct answer is option A. Base = 11 cm and height = 13 cm

Step-by-step explanation:

It is given that, height of a triangle is 2 cm more than its base.Then height is increased by 2 cm.Then the area of triangle becomes 82.5 cm²

<u>To find the base an d height of original triangle</u>

Let x be the original base 'b' then the height  h = x + 2

New height h = x + 2 + 2 = x + 4

Area = bh/2

82.5= (x(x + 4)/2

165 = x² + 4x

x + 4x - 165 = 0

Solving we get x = 11 and x = -15

Take positive value x = 11

Therefore base = 11 and height = x + 2 = 13 cm

The correct answer is option A. Base = 11 cm and height = 13 cm

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three thousand two handrend and seventy six

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2 years ago
Line AB contains points A(4, 5) and B(9, 7). What is the slope AB
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2 years ago
Read 2 more answers
45 of the 80 children in the club or girls what was the ratio of boys to girls in the club?
Oxana [17]

There are 80 children. 45 of them are girls. The amount of boys is equal to:

80-45 = 35

That means there are 45 girls and 35 boys.

The ratio of boys to girls is: 35:45

Simplify:

35 \div 5 = 7 \\ 45 \div 5 = 9 \\ \\35:45 \rightarrow 7:9

Your answer is 7:9

5 0
3 years ago
SOS HELPPPP
Hunter-Best [27]

Answer:

18

Step-by-step explanation:

5 0
2 years ago
B. The sum of three numbers is 51. The second number is three more than the first number, and the third number is
Svetach [21]

Answer:

12, 15, 24

Step-by-step explanation:

Let 1st # = x

Let 2nd # = x+3

Let 3rd # = 2x

Your equation is: x + (x+3) + 2x = 51

Add up all the x: x + x +3 +2x =51

Subtract 3 from both sides: 4x + 3 - 3 = 51 - 3

Divide 4 from both sides: 4x / 4 = 48 / 4

Your 1st number is x = 12

For the 2nd # it is 3 more than x so 12 + 3 = 15

For the 3rd # it is 2 times x so 2(12) = 24

Check your answers by adding up the numbers you solved: 12 + 15 +24 = 51

Does it equal to 51 as stated in the question? Yes, answers check out.

7 0
2 years ago
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