I need some help please

Answer:

C

Step-by-step explanation:

I got it right on Edge.

Answer: R = √(3*r^2)

Step-by-step explanation:

For a cylinder with radius r and height H, the volume is:

V = pi*r^2*H

For a cone of height H, and with a base of radius R, the volume is:

V = (1/3)*pi*R^2*H

In this case, we know that both figures have the same height, and the same volume, then we can write:

pi*r^2*H = (1/3)*pi*R^2*H

Now we can divide by pi in both sides to get:

(pi*r^2*H)/pi = ((1/3)*pi*R^2*H)/pi

r^2*H = (1/3)*R^2*H

Now we can divide both sides by H:

(r^2*H)/H = ((1/3)*R^2*H)/H

r^2 = (1/3)*R^2

Now we want to write R in terms of r.

Then we need to isolate R in the above equation:

r^2 = (1/3)*R^2

3*r^2 = R^2

√(3*r^2) = R

R = √(3*r^2)

Answer:

50 degrees

Step-by-step explanation:

You can see that angle ADC is composed of angle ADB and angle BDC

Angle ADB is 38 degrees and angle BDC is 12 degrees

Therefore angle ADC is 50 degrees

Angle ADC is opposite from angle ABC so they are congruent.

So angle ABC is 50 degrees

Answer:

if the two pizzas has 8 slices each and there's 9 boys everyone has one pizza and some leftover

Step-by-step explanation:

Answer:

4/9th??? i think im wrong

Answer:

12 cookies for both friends (assuming you don't get any)

Step-by-step explanation:

24/2=12

since you seem like a kid, that slash means divided by

Answer:

144

Step-by-step explanation:

12 times 12= 144

Answer:

(x,y) → (x +4, y + 2)

Step-by-step explanation:

H and N are congruent because they are both 58 degrees,

J and L are congruent because they are both 62 degrees,

and K and M are congruent because they are both 60 degrees.

Therefore triangle HJK is congruent to triangle NLM.

Answer:

The answer is C

Step-by-step explanation:

Kause i said so

Answer:

14

Step-by-step explanation:

All of the angles are marked as congruent, which means it is an equlateral triangle. This means that all of the sides are congruent too.

Therefore z + 2 = 2z -10

add 10 to each side

z + 12 = 2z

subtract z from each side

12=z

now that we know that, we can plug it back in to either line (it doesn't matter because they're congruent)

line AB is z+2 which is 12+2 or 14

and line CB is 2z-10 which is 2(12)-10 or 24-10 which is also 14

so line CA is also 14 units long.

Answer:

There were 35 cookies in the bag, she kept 21 for herself and gave 14 to Tim.

Step-by-step explanation:

2/5 = 40%

14 ÷ 40% = 35

14 is 40% of 35.

35 - 14 = 21

Answer:

hgb hfgb,rnvjdfjvfnvjfvjfjgv

Step-by-step explanation:

Answer:

for some reason i cant see ur attachment. lo siento

Answer:

the answer is 10.5m

Step-by-step explanation:

14.2m+3-2.1m+4.6

= 17.2m-2.1m+4.6

= 17.2m-6.7m

= 10.5m

the answer is 10.5m

Answer:

12.1m + 7.6

Step-by-step explanation:

14.2m + 3 - 2.1 + 4.6

Group like terms:

14.2 - 2.1 + 3 + 4.6

Add similar elements:

14.2m - 2.1m = 12.1m=

12.1m + 3+ 4.6

Add the numbers: 3 + 4.6 = 7.6=

12.1m + 7.6.

Answer: A or B is the correct answer i need brainlist so

Step-by-step explanation:

Answer: 4.56

Step-by-step explanation:

When you come across questions that says [a of b] this means [ab]

If you are still confused, I can provide some examples:

-----------------------------------------------------------------------------------------

Given

38% of 12

Solve

38% × 12= 4.56

Hope this helps!! :)

Please let me know if you have any questions

Answer:

5x2^5 is 160

Step-by-step explanation:

Answer:

160

Step-by-step explanation:

2^5 is 32. 32 x 5 is 260.

Hope it helps!

Answer:

A= 4

Step-by-step explanation:

Answer:

11. 35 ft²

12. 24 cm²

13. 18 ft²

14. 28 in²

15. 9 in²

Step-by-step explanation:

11. A= (b×h)÷2

= (10×7)÷2

= 70 ÷ 2

= 35 ft²

12. A= (b×h)÷2

= (8×6)÷2

= 48 ÷ 2

= 24 cm²

13. A=(b×h)÷2

=(9×4)÷2

= 36 ÷ 2

= 18 ft²

14. A=(b×h)÷2

=(7×8)÷2

= 56 ÷ 2

= 28 in²

15. A=(b×h)÷2

=(3×6)÷2

= 18 ÷ 2

= 9 in²

Good luck ^_^

Hope this answer your question

Answer:

5.  Since ∠CBD ≅ ∠CDB and ∠BAE ≅ ∠DEA, ΔABD and ΔBDE are equal. Therefore, the distances AD and EB are the same.

6.  Since ∠EBC ≅ ∠ECB and AE ≅ DE, ΔABE and ΔCDE are equal. Therefore, the distances AB and DC are the same.

I hope this helps!

Answer:

ΔCBD is isosceles as angles B and D are congruent

ΔCAE is also isosceles as angles A and E are congruent

CA ≅ CE as the triangle ΔCAE is isosceles

AD ≅ EB - corresponding parts of congruent triangles

ΔAEB ≅ ΔDEC - SAS congruency theorem

AB ≅ DC - corresponding parts of congruent triangles

Answer:

A

Step-by-step explanation:

Random samples of days from the previous years, 20 from high school A and 15 from high school B, and calculates

Nutrition is the study of food and how it works in your body. Nutrition includes all the stuff that's in your food, such as vitamins, protein, fat, and more. It's important to eat a variety of foods, including fruits, vegetables, dairy products, and grains, so you have what you need to grow and be healthy.

Students in a large district's two high schools are offered a "Second Breakfast' program after their first-period class.

Random samples of days from the previous years, 20 from high school A and 15 from high school B, and calculates

Learn more about Nutrition:

https://brainly.com/question/26750988

#SPJ2

Answer:

See below

Step-by-step explanation:

a)

[tex] \frac{20}{ \sqrt{10} } = \frac{20 \sqrt{10} }{ \sqrt{10} \times \sqrt{10} } = \frac{20 \sqrt{10} }{10} = 2 \sqrt{10} [/tex]

b)

[tex] \frac{ \sqrt{2} }{2 \sqrt{5} - 1 } \\ \\ = \frac{ \sqrt{2} \times (2 \sqrt{5} + 1 )}{(2 \sqrt{5} - 1)(2 \sqrt{5} + 1) } \\ \\ = \frac{ \sqrt{2} \times 2 \sqrt{5} + \sqrt{2} \times 1 }{(2 \sqrt{5} ) ^{2} - (1)^{2}} \\ \\ = \frac{ 2 \sqrt{10} + \sqrt{2}}{20 - 1} \\ \\ = \frac{ 2 \sqrt{10} + \sqrt{2}}{19} \\ \\ equating \: it \: with \: \\ \frac{ a + \sqrt{b}}{c} \\ \\ a = 2 \sqrt{10} \\ \\ b = 2 \\ \\ c = 19[/tex]

Answer:

The above answer is correct

Answer:

What is your question dude???

Step-by-step explanation:

Answer:

Point C

Step-by-step explanation:

I just did It :). it went clockwise which is why it's NEGATIVE 30. If it were point D, it'd probably be about 60 degrees or so.

Answer:

6

Step-by-step explanation:

Answer:

4x - 11

Step-by-step explanation:

Answer:

Acute angles are less than 90 degrees and obtuse angles are great than 90 degree angles.

Answer: an acute a is anything lower than 90 degrees. And obtuse is anything higher than 90 degree.

Step-by-step explanation:

Answer:

8

Step-by-step explanation:

Answer: the answer is 8

Answer:(-5/16)x^2 +(5/2)x

Step-by-step explanation:

Answer:

1/12

Step-by-step explanation:

1/6 divided by 2 = 1/12