3 years ago

Plz help geometry question is below, asap

Mathematics

1 answer:

inessss [21]3 years ago

8 0

I would say the answer is b. It sounds like the best choice

hope i helped!

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Sheila walks 3 miles in of an hour. How fast does she walk per hour? Help me:(

arsen [322]

Answer:

3miles per hour or 3mph

Step-by-step explanation:

She walks 3 miles in one hour, so..

6 0

2 years ago

What is the area of this triangle? (Image Attached)

Snezhnost [94]

$\bf \textit{Law of Cosines}\\ \quad \\
c^2 = {{ a}}^2+{{ b}}^2-(2{{ a}}{{ b}})cos(C)\implies 
c = \sqrt{{{ a}}^2+{{ b}}^2-(2{{ a}}{{ b}})cos(C)}\\\\
-----------------------------\\\\
\textit{so, let's find the missing side}
\\\\\\
c=\sqrt{2.7^2+3.4^2-2(2.7)(3.4)cos(40^o)}
\\\\\\
c=\sqrt{4.78542402433556327368}\implies c\approx 2.187561204706182220$

or we can round it, to say c = 2.19, so hmm that's the missing side
now, we use Heron's Formula, which uses all 3 sides only

$\bf \textit{Heron's Area Formula}\\\\
A=\sqrt{s(s-a)(s-b)(s-c)}\qquad 
\begin{cases}
a=2.7\\
b=3.4\\
c\approx 2.19\\\\
s=\cfrac{a+b+c}{2}
\end{cases}$

and that'd be the area of it

6 0

3 years ago

Read 2 more answers

Jim baked 31 cookies. His family ate m of them. Using m, write an expression for the number of cookies that remained.

Serggg [28]

Answer:

31-m

Step-by-step explanation:

Hope this helps!

4 0

2 years ago

Read 2 more answers

Find m A. 12 B. 22 C. 52 D. 38

Nikolay [14]

C. 52

Work:

(5x - 22) + (4x + 4) = 90

9x - 18 = 90

9x = 108

x = 12

4(12) + 4 =

48 + 4 = 52

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2 years ago

Choose all the functions that are NOT linear.

Triss [41]

Answer:
B

Step:
The general equation for linear is y=mx+b

So all is linear except B

8 0

2 years ago