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Inga [223]
3 years ago
5

( 5^2 2 ) plus 3^ 3 4

Mathematics
1 answer:
-Dominant- [34]3 years ago
4 0

So, 5/2 could also be written as 2.5.

2.5^2    or   2.5 x 2.5 = 6.25

3/4^3   is  3/4 x 3/4 x 3/4

3/4 x 3/4 x 3/4 = 0.46875

6.25 + 0.46875 = 6.71875!

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What's bigger 2/3 or 4/5
Eduardwww [97]
The best thing to do is either to find a common denominator or convert them to decimals.
I will find a common denominator.
A common denominator of 3 and 5 is 15.
You multiply the first fraction by 5
2*5= 10
This then becomes 10/15
You then multiply the second by 3.
4*3= 12
Therefore, this becomes 12/15
As the second of these fractions is larger, this means that 4/5 is larger.
The alternative method is to put them into decimals, in which case 2/3= 0.66 and 4/5= 0.8
Hope this helps :) 
4 0
3 years ago
Read 2 more answers
The ratio of pencils to pens is 3:5. If there are ten more pens than pencils, how many pencils are there? *
Ugo [173]

Answer:

6 is the answer

pencil/pen=3/5

5pencil=3pen

1 pencil=3/5 pen

1 pen=5/3pencil

pencil/pen=3/5

pencil/10=3/5

pencil=30/5=15

6 0
3 years ago
Read 2 more answers
Please help me with this!!<br> Thank u
topjm [15]

Answer:

Step-by-step explanation:

Left

When a square = a linear, always expand the squared expression.

x^2 - 2x + 1 = 3x - 5                Subtract 3x from both sides

x^2 - 2x - 3x + 1 = -5

x^2 - 5x +1 = - 5                      Add 5 to both sides

x^2 - 5x + 1 + 5 = -5 + 5

x^2 - 5x + 6 = 0

This factors

(x - 2)(x - 3)

So one solution is x = 2 and the other is x = 3

Second from the Left

i = sqrt(-1)

i^2 = - 1

i^4 = (i^2)(i^2)

i^4 = - 1 * -1

i^4 = 1

16(i^4) - 8(i^2) + 4

16(1) - 8(-1) + 4

16 + 8 + 4

28

Second from the Right

This one is rather long. I'll get you the equations, you can solve for a and b. Maybe not as long as I think.

12 = 8a + b

<u>17 = 12a + b         Subtract</u>

-5 = - 4a

a = - 5/-4 = 1.25

12 = 8*1.25 + b

12 = 10 + b

b = 12 - 10

b = 2

Now they want a + b

a + b = 1.25 + 2 = 3.25

Right

One of the ways to do this is to take out the common factor. You could also expand the square and remove the brackets of (2x - 2). Both will give you the same answer. I think expansion might be easier for you to understand, but the common factor method is shorter.

(2x - 2)^2 = 4x^2 - 8x + 4

4x^2 - 8x + 4 - 2x + 2

4x^2 - 10x + 6    The problem is factoring since neither of the first two equations work.

(2x - 2)(2x - 3)     This is correct.

So the answer is D

5 0
3 years ago
A computer code is based on the prime facttorization of 160. find the prime factorization of 160
igor_vitrenko [27]
Prime factorization of 160 = 2 x 2 x 2 x 2 x 2 x 5
3 0
3 years ago
The distance from home plate to left field in a model of a baseball stadium measures 16.4 in. The scale of the model to the actu
Katen [24]

Answer:

317

Step-by-step explanation:

Since the ratio is 1:232, multiply 232 by 16.4:

232*16.4=d

d=3804.8 in

Divide by 12 to find the feet

3804.8÷12=d

d=317.066

Round to the nearest foot

d=317

3 0
3 years ago
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