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Serggg [28]
2 years ago
14

Look at the image below

Mathematics
1 answer:
Mandarinka [93]2 years ago
8 0

Answer:

282.7 mi^2

Step-by-step explanation:

Surface area of cone=pi*r*(r+l)=pi*5*18=282.7

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Easy geometry <br> I’m stuck pls help<br> Show work :)
Lynna [10]

Answer:

x=9.5

NMR= 18°

Step-by-step explanation:

MN bisects PMN so NMR is equal to PMN making it also 18° so with this info we can now find x

(4x-2)=36

4x=38

x=9.5

8 0
3 years ago
I need help please and thank you
Stels [109]

Answer:

2.72 x 10^4

Step-by-step explanation:

2.4 x 10^4

= 24000

3.2 x 10^3

= 3200

Therefore,

(2.4 x 10^4) + (3.2 x 10^3)

= 24000 + 3200

= 27200

= 2.72 x 10^4

8 0
3 years ago
a sixth grade class has 12 boys and 24 girls consider this statement: &lt;br /&gt;for every two boys there are 4 girls do you ag
Nitella [24]
So the ratio of boys to girls is 12:24.. now, is that an equivalent ratio as 2 boys for 4 girls? or 2:4?  let's see.

\bf \cfrac{boys}{girls}\qquad 12:24\qquad \cfrac{12}{24}\implies \boxed{\cfrac{1}{2}}&#10;\\\\\\&#10;\cfrac{boys}{girls}\qquad 2:4\qquad \cfrac{2}{4}\implies \boxed{\cfrac{1}{2}}

you could start simplifying the 12/24 fraction by dividing by some common multiple, say 2, and get 6/12, then divide by 3 and get 2/4  and stop there.

then you'll notice that 12/24 is really 2/4 in disguise.
4 0
2 years ago
James runs laps around the park. The distance of a lap is d yards. On Monday, James runs 4 laps, Tuesday 3 laps, Thursday 5 laps
ra1l [238]

Answer:

d + 18

Step-by-step explanation:

6 0
3 years ago
A lamp post with a height of 12 ft casts a shadow of 6 ft. A fire hydrant near it casts a shadow that is 1.5 ft long. How tall i
alex41 [277]

Answer:

3ft

Step-by-step explanation:

We are given that

Height of lamp, h=12ft

Height of shadow, l=6ft

Height of shadow of hydrant, l'=1.5ft

Let height of hydrant=h'

We have to find the height of fire hydrant.

All right triangles are similar

When two triangles are similar then, the ratio of their corresponding sides are equal.

Using the property

\frac{h}{h'}=\frac{l}{l'}

\frac{12}{h'}=\frac{6}{1.5}

h'=\frac{12\times 1.5}{6}

h'=3ft

Hence, the height of fire hydrant=3 ft

3 0
3 years ago
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