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a_sh-v [17]
3 years ago
5

7. An example for using estimation would be:

Mathematics
2 answers:
Aliun [14]3 years ago
4 0
Guessing the number of pennies in a jar
stiks02 [169]3 years ago
4 0
The answer should be c I hope it helps My friend have a nice day
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allsm [11]

180-72=108

108/3=x

x=36

B=36x2=72

8 0
4 years ago
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Evaluate BC for A = 5, B = -4, and C = 2
sweet-ann [11.9K]
BC means B times C
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7 0
3 years ago
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Which measure is cloest to the length of a side of a square that has an area of 221 square feet? 11.0 ft 14.69 ft 16.4 ft 55.2 f
Degger [83]

Answer:

14.69 ft.

Step-by-step explanation:

Area of a square:

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3 years ago
The height of a ball​ (in feet) after t seconds is given by the quadratic function h=-16(t-5)^2+116
Dmitriy789 [7]

Check the picture below, so pretty much reaches its maximum height at the vertex, now let's take a peek at the equation above hmmmm

~~~~~~\textit{vertical parabola vertex form} \\\\ y=a(x- h)^2+ k\qquad \begin{cases} \stackrel{vertex}{(h,k)}\\\\ \stackrel{"a"~is~negative}{op ens~\cap}\qquad \stackrel{"a"~is~positive}{op ens~\cup} \end{cases} \\\\[-0.35em] ~\dotfill\\\\ h(t)=-16(t ~~ - ~~ \stackrel{h}{5})^2~~ + ~~\stackrel{k}{116}~\hfill \underset{maximum~height}{\stackrel{vertex}{(5~~,~~\underset{\uparrow }{116})}}

6 0
2 years ago
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A sail is in the form of a right triangle the angle at its lower edge is 57 degrees what is the size of the angle formed at the
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