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11111nata11111 [884]
3 years ago
12

Can someone PLEASE HELP!! If you get right I will mark brainly

Mathematics
1 answer:
romanna [79]3 years ago
8 0

Answer:

i would go with D 8

Step-by-step explanation: i think that since it rised by 3 millimeters and the rock is 24 grams i think you would divide 24 by 3

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For her presentation on the Wonders of the World, Mary baked a square pyramid-shaped cake as pictured below. The slant height of
mihalych1998 [28]

Answer:

V=196in^3

Step-by-step explanation:

The volume of a pyramid is:

V=\frac{A_{b}h}{3}

where A_{b} is the area of the base and h is the height (the perpendicular measurement between base and highest point, not the slant height)

Since the base is a square, the area is given by:

A_{b}=l^2

where l is the length of the side: l=8in, thus:

A_{b}=(8in)^2\\A_{b}=64in^2

Now we need to find the height, for this we use the right triangle that forms with half of a square side (8in/2 = 4in), the slant height (10in), and the height.

In this right triangle, the slant height is the hypotenuse, the leg 1 is the unknown height, and leg 2 is half of the square side.

Using pythagoras:

hypotenuse^2=leg1^2+leg2^2

substituting our values, and indicating that leg 1 is height h:

(10in)^2=h^2+(4in)^2

100in^2=h^2+16in^2

and solving for the height:

h^2=100in^2-16in^2\\h^2=84in^2\\h=\sqrt{84in^2}\\ h=9.165in

and finally we calculate the volume using this height and the area of the base:

V=\frac{A_{b}h}{3}

V=\frac{(64in^2)(9.165in)}{3} \\V=195.5in^3

rounding to the nearest cubic inch: V=196in^3

4 0
3 years ago
What is the slope of a line perpendicular to the line containing the points (4,-7) and (-5,-1)? Express your answer as a common
just olya [345]

Answer:

3/2

Step-by-step explanation:

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Slope 2 perpendicular to Slope 1 :

-1 ÷ -⅔ = 3/2

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If the tip varies directly with the number of guests, which equation represents the relationship between the tip, t, and the num
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<span>If the tip, t, varies directly with the number of guests, g, then it means that any change in tip there is a corresponding change in the number of guests. When the tip increases the number of guests increases as well. Therefore,

t </span>α g

To change the it to equal sign, we incorporate a proportionality constant, k.

t =<span> kg
</span>
This equation will represent the relation of t to g
3 0
3 years ago
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There are 23 students in ms day”s class. Only 17 students are present today use the model to find A the number of students that
hodyreva [135]

Answer:

6 students are absent.

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2 years ago
To the nearest tenth, what is the area of the shaded segment when AG = 6 ft?
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