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monitta
1 year ago
13

Estimate the area of a triangle with a base of 15.22 km and a height of 13.91 km.

Mathematics
1 answer:
BaLLatris [955]1 year ago
8 0

Given a triangle with a base of 15.22 km and a height of 13.91 km. We can find the area of the triangle using the formula below.

\text{Area of a triangle = }\frac{1}{2}\times\text{base x height}\begin{gathered} \text{Area of triangle = }\frac{1}{2}\times15.22\times13.91 \\ =0.5\times15.22\times13.91 \\ =105.8551\operatorname{km}^2 \end{gathered}

Answer: The area of the triangle is

105.8551\operatorname{km}^2

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sesenic [268]

Area of a circle = pi • radius^2

A = πr^2

Your circle's diameter is 3 inches, so the radius is 1.5 inches.

A = π • (1.5)^2

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6 0
3 years ago
To get to a dog show, Mr. Luna first drives 7 miles west from his home and then 3 miles north. Next, he turns east and drives 11
umka21 [38]
All the other stuff, east/west, doesn't matter.

He drives 3 miles north, then later on he drives 4 more miles north:
3 + 4 = 7

The dog show is 7 miles north of his home.
6 0
4 years ago
Natalia bought 4 boxes of pencils and 9 reams of paper for 75$. Ronnie by eight boxes of pencils and five reams of paper for 67.
storchak [24]

Answer:a box of pencil cost=$4.395

And a ream of paper cost=$6.38

Step-by-step explanation:

Let the cost of box of pencil be represented as p

And the cost of ream of paper be represented as r

Such that

4 boxes of pencils and 9 reams of paper costing 75$ be represented as

4p+9r=75-----equation 1

Also, eight boxes of pencils and five reams of paper for 67 be represented as

8p + 5r=67------equation 2

Solving

4p+9r=75-----equation 1

8p + 5r=67------equation 2

By elimination method, multiply equation 1 by 2 and equation 2 by 1

8p +18r=150---equation 3

8p+5r=67----equation 4

Subtracting equation 4 from equation 3

13r=83

r=83/13

r=6.38

Putting the value of r=6.38 in equation 1 to solve for p, we have

4p+9r=75

4p+9(6.38)=75

4p+57.42= 75

4p=75-57.42

4p=17.58

p=17.58/4

p=4.395.

Therefore a box of pencil cost=$4.395

And a ream of paper cost=$6.38

8 0
3 years ago
Find the distance between the two points rounding to the nearest tenth
Alika [10]

Answer:

Step-by-step explanation:

The x difference:

8 - 1 = 7

The y difference:

-4 - -7 = 3

Distance:

7² + 3² = 58

√58 ≅ 7.62

Please Thank and Mark as Brainliest!

3 0
3 years ago
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ASHA 777 [7]

Answer:

(a) 0 (b) 1^2

Step-by-step explanation:

photo number 1 is answer for question 2(a)

photo number 2 is answer for question 2(b)

3 0
2 years ago
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