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3 years ago

Can someone help with Geometry

Mathematics

1 answer:

wel3 years ago

4 0

I believe it is the final choice because it correctly compares 2 sets of corresponding sides.

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The diagram shows a cone and its axis of rotation. Which type of cross section is formed when the cone is intersected by a plane

yKpoI14uk [10]

Answer:

Right-triangle

Step-by-step explanation:

Take a right triangle for example, then twist it 360 degrees, keeping the longest leg at the center of rotation. It will then form a cone.

8 0

3 years ago

Read 2 more answers

Which expression is equivalent to

Nutka1998 [239]

Answer:1/5

if u do the work in ur head by adding and divide then multiplying the fractions and then divided it by 2.231 u get 1/5 on a calculator

8 0

2 years ago

What is n/7 = 3/22 ?

gayaneshka [121]

Answer:

The answer is 21/22

Step-by-step explanation:

n/7=3/22

then you cross-multiply

we have 22n=21

divide both sides by 22 to make n the subject of formula

n=21/22

6 0

3 years ago

Gabriel is performing an experiment in which he is measuring the energy and work being done by a ball rolling down a hill. Descr

kirza4 [7]

Answer:

They will both be recorded in joules.

Step-by-step explanation:

They will both be recorded in joules.

As energy and work both are measured in joules. If we define work it is the force applied on an object as it moves a certain distance and Energy is the ability to do work. Both are closely related because work done on an object can cause a change in energy. Now if a ball is rolling down a hill then there is no frictional loss then its energy will be conserved but the work done by the ball will continuously change.Therefore they will both be measured in joules.

4 0

2 years ago

The sum of two integers is 26. the sum of the squares of the two integers is 340. what is the product of the two numbers?

Phoenix [80]

Lets say that the two unknown integers are $n$ and $m$ .

We know the following things about $n$ and $m$ :

$n+m=26$
$n^2+m^2=340$

And, we want to find $nm$ .

To solve this, we'll use the expansion of the squared of the sum of any two inegers; this is expressed as:

$(n+m)^2=n^2+2nm+m^2$

So, given what we know about the unknown integers, the previous can be written as:

$(26)^2=340+2nm$

We can easily solve for $nm$ :

$nm= \frac{(26)^2-340}{2}= \frac{676-340}{2}= \frac{336}{2}=168$

The answer is 168.

Another approach to solve the problem is, from the two starting equations, compute the values of $n$ and $m$ , which are 12 and 14, and directly compute their product; however, the approach described is more elegant.

5 0

2 years ago