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ivanzaharov [21]
3 years ago
13

Someone please help me find the surface area of the cone in the picture below

Mathematics
1 answer:
Dafna1 [17]3 years ago
5 0
 this is the formula: 
A=<span><span>πr</span><span>(<span>r+<span><span>h2</span>+<span>r2</span></span></span><span>)
Answer: 151.58 in</span></span></span>
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Are the two triangles below similar?
Hunter-Best [27]

Answer:- B) No; they do not have congruent corresponding angles.

Explanation:-

In ΔGHI ,

∠G=46° and  ∠I=27°

By angle sum property,

∠G+∠H+∠I=180°

⇒∠I=180°-∠G-∠H

⇒∠I=180°-46°-27°= 107°

In Δ JKL

∠K=108°and ∠L=27°

By angle sum property of triangles,

∠J+∠K+∠L=180°

⇒∠J=180°-∠L-∠K

⇒∠J=180°-27°-108°

⇒∠J=45°

Now we can see that there is only one pair of congruent angles [not two] in both the triangles i.e.∠I≅∠L.

⇒ They do not follow AA similarity criteria.

Thus ,the given triangles are not similar because they do not have congruent corresponding angles.


4 0
3 years ago
Read 2 more answers
Each student at some college has a mathematics requirement M (to take at least one mathematics course) and a science requirement
Furkat [3]

all students = 150

M = 60

S = 45

M and S = 25

(a) At least one of the two requirements:

M or S = M + S - (M and S) = 60 + 45 - 25 = 80

(b) Exactly one of the two requirements:

(M or S) - (M and S) = 80 - 25 = 55

(c) Neither requirement:

(all students) - (M or S) = 150 - 80 = 70

8 0
3 years ago
The Lloyd family's pancake recipe uses 2 teaspoons of baking powder for every 1/3 of a teaspoon of salt. How much baking powder
bogdanovich [222]

Answer:

6 teaspoons

Step-by-step explanation:

2 teaspoons = 1/3 tsp of salt

6 teaspoons = 1 tsp of salt

This was done by multiplying 2 by 3 since 3 thirds (3/3) make one whole.

So if 2 teaspoons are used for 1/3 teaspoon of salt, 4 teaspoons would be used for 2/3 teaspoon of salt and 6 teaspoons would be used for 1 teaspoon of salt.

6 0
3 years ago
I need help with number 8
murzikaleks [220]
Since we know what he earns hourly, and his sales, we can figure out his full gross pay for the week.
As so:

We can set up an equation like this:
<em>h</em> = hours
<em>s</em> = sales
9.60h + 5%s

Now, we substitute.
9.60(35) + 5%(230)

Next, solve.
336.00 + 11.50
$347.50

$347.50 was Glen's gross pay for the week.

Hope I could help! If my math is wrong, or I did not provide the answer you were looking for, let me know! However, if I did well, please consider marking as <em>Brainliest!
</em>Have a good one!

8 0
3 years ago
Read 2 more answers
Maya is building a sandbox that is 36 inches wide. The length is four times the width. What is the perimeter of the sandbox? Sho
Alex17521 [72]

Answer: I believe the answer is 360 in.

Step-by-step explanation:

You can use Khan Academy

3 0
3 years ago
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