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4 years ago

What is 2 3/5 + 1 3/5

Mathematics

2 answers:

Vlada [557]4 years ago

6 0

Answer: 4 1/5

Step-by-step explanation:

Rewriting our equation with parts separated

=2 + 3/5 + 1 + 3/5

Solving the whole number parts

2 + 1= 3

Solving the fraction parts

3/5 + 3/5 = 6/5

Simplifying the fraction part, 6/5,

6/5 = 1 1/5

Combining the whole and fraction parts

3 + 1+ 1/5 = 4 1/5

Solution by Formulas

converting mixed numbers to fractions, our initial equation becomes,

13/5 + 8/5

Applying the fractions formula for addition,

=(13 × 5) + (8 × 5)/5 × 5

=65+40 / 25

=105/25

Simplifying 105/25, the answer is

=4 1/5

alina1380 [7]4 years ago

6 0

Answer:

4 1/5

Step-by-step explanation:

2 3/5 + 1 3/5

3 6/5

But we cannot leave an improper fraction

3 + 1 1/5

4 1/5

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The formula for the area, A, of a triangle is A=1/2bh, where b is the base and h is the height of the triangle. Find the area of

kenny6666 [7]

Answer:

x = 8

y = 3

Step-by-step explanation:

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Area = 1/2 ( 6*√12+ √48)

Area = 1/2 (6*√12 + 4√3) Multiply by 1/2

Area = 3√12 + 2√3

Area = 3*2√3 + 2√3

Area = 6√3 + 2√3

Area = 8√3

5 0

3 years ago

If the graph of y=cos⁡θ has a change in amplitude and a vertical translation, the equation becomes y=acos⁡θ+d, where a,d∈N and 0

worty [1.4K]

Answer:

The amplitude is 3 and the downward vertical translation is 4 ⇒ 3rd answer

Step-by-step explanation:

* Lets revise some facts about the cosine function

- The Amplitude of cos(x) is the height from the center line to the

peak (or to the trough). Or we can measure the height from

highest to lowest points and divide that by 2.

- The Vertical Shift is how far the function is shifted vertically from

the usual position.

* Now lets solve the question

∵ y = cos(Ф)

- There is a change in amplitude, it becomes a

- There is a vertical translation by b units

∴ y = a cos(Ф) + d

* Now lets look to the graph to find a and d

- From the graph:

∵ The highest value is -1

∵ The lowest value is -7

∴ The amplitude a = (-1 - -7)/2 = (-1 + 7)/2 = 6/2 = 3

∵ The highest value of y = cos(Ф) is 1

∵ The amplitude is 3

∴ The highest value of y = acos(Ф) = 3

∵ The highest value of y = acos(Ф) + d is -1

∴ d = 3 - (-1) = 4 ⇒ means downward vertical translation by 4

∴ y = 3 cos(Ф) - 4

* The amplitude is 3 and the downward vertical translation is 4

3 0

3 years ago

Hello you!

Xelga [282]

Its D because a the angle

7 0

4 years ago

Read 2 more answers

Enzo has $20.79 to spend on fruit. If each kiwi costs $0.99, how many kiwis, , can they purchase?

leonid [27]

Answer:

Enzo can only buy 21 kiwis from the store.

Step-by-step explanation:

We have to divide

But since it's going too be hard for me to show you the long division, I'm just going to use a multiplication trick!

Let's find what is 20x0.99 first, because I feel like this CAN be the answer.

20x0.99=19.8

So this is not the answer

Now, let's try 22x0.99

22x0.99=21.78

So this is also not the answer.

Now, let's try 21, I think only this one can be the answer.

21x0.99=20.79

So hence, 21 is the right answer. Enzo can buy 21 Kiwis

Thanks!

~ $FieryAnswererGT$ ~

5 0

3 years ago

Read 2 more answers

13x−2= − 10 x − 2 −10x−2

Misha Larkins [42]

Answer:

x=0

Step-by-step explanation:

13x-2 = 10x-2

Subtract 10x from each side

13x-10x-2 = 10x-2 -10x

3x-2 = -2

Add 2 for each side

3x-2+2 = -2+2

3x= 0

divide by 3

3x/3 = 0/3

x =0

3 0

4 years ago