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ruslelena [56]
3 years ago
5

A=1/2 bh for b work and answers

Mathematics
1 answer:
sweet [91]3 years ago
4 0
A=1/2bh
1st step: Multiply both sides by 2
2A=bh
2nd step: Divide both sides by h
2A/h=b
The equation is used to find the area of a triangle. The problem is asking to use this formula to find the formula to find the height of a triangle.
b=base of the triangle
h= height of the triangle
A= Area of the traingle
Although, if other geometry based problems use these problems it's just base and height and Area. 
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URGENT PLS HELP
Dahasolnce [82]

Align the horizontal edge of the protractor with the base of the triangle. Place the center point of the protractor on the vertex of the angle. Follow the side of the triangle until it reaches the angle measurement mark. Note the measurement.
7 0
3 years ago
Which 3-D object is a polyhedron?<br> A. sphere<br> B. cube <br> C. cone
Levart [38]

Answer:

The answer is A.

Step-by-step explanation:

A polyhedron is a three-dimensional solid made up of polygons. It has flat faces, straight edges, and vertices. For example, a cube, prism, or pyramid are polyhedrons.

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2 years ago
A diagram of a pizza is shown.
mash [69]

Answer:

A. 30 cm

Step-by-step explanation:

The surface area of a 14-inch pizza is 3.14 x 49 (7 x 7 = 49) = 153.86 square inches of surface area

4 0
3 years ago
Write as an expression and simplify:<br> The square of the difference of x and 8y
lukranit [14]

Answer:

x² - 16xy + 64y²

Step-by-step explanation:

The difference of x and 8y is x - 8y

The square of the difference is (x - 8y)² = (x - 8y)(x - 8y)

Expand by multiplying each term in the second factor by each term in the first factor, that is

x(x - 8y) - 8y(x - 8y) ← distribute both parenthesis

= x² - 8xy - 8xy + 64y² ← collect like terms

= x² - 16xy + 64y²


6 0
3 years ago
4. Suppose that you have an enormous grapefruit that is 92% water (by weight). The grapefruit weights 100 pounds. If the water c
Anton [14]

Answer:

80 pounds.

Step-by-step explanation:

Let W₁ be the initial weight of water in the grapefruit, W₂ be the weight of water in the grapefruit after evaporation, and M be the total weight of the grapefruit after evaporation. Assuming that, originally, the grapefruit weighed 100 pounds with a 92% water content and the weight of the "non-water" part of the fruit (100 - W₁) does not change. The final weight of the grapefruit (M) is given by:

W_1=0.92*100=92\\W_2=0.90*M\\W_2+(100-W_1) = M\\W_2=M-8\\(1-0.9)M=8\\M=80

The grapefruit now weighs 80 pounds.

8 0
3 years ago
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