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Pavel [41]
3 years ago
14

At the Italian deli, the sandwich maker cut 4 2/3 lb of turkey and 9 3/5 of roast beef. How many more pounds of roast beef were

cut?
Mathematics
1 answer:
kherson [118]3 years ago
4 0

Answer:

4 14/15 more pounds of roast beef

Step-by-step explanation:

subtract 4 2/3 from 9 3/5

9 3/5 - 4 2/3= 4 14/15

So your answer is 4 14/15

You might be interested in
13. The radius of Earth is approximately 6.4 x 100 m. Use the formula V = 4/3pr^3
romanna [79]

<u>We are given</u>

  • Radius of Earth; 6.4 x 100 meters = 640 meters

Clearly, the shape of the earth is a sphere. Thus, to determine the volume of the earth, we will use a formula that determines the volume of a sphere.

\implies \text{Volume of sphere =} \   \dfrac{4\pi r^{3}}{3}

When we substitute the radius in the formula, we get;

\implies\text{Volume of sphere} = \dfrac{4\pi (640)^{3}}{3}

\implies\text{Volume of sphere} = \dfrac{4\pi (640)(640)(640)}{3}

Take π as 3.14

\implies\text{Volume of sphere} = \dfrac{4\pi (640)(640)(640)}{3}

\implies \text{Volume of sphere} = \dfrac{4(3.14)(640)(640)(640)}{3}

Simplify the numerator;

\implies \text{Volume of sphere} = \dfrac{4(3.14)(640)(640)(640)}{3}

\implies \text{Volume of sphere} = \dfrac{3292528640}{3}

Divide the numerator by 3;

\implies \text{Volume of sphere} = \dfrac{3292528640}{3}

\implies \text{Volume of sphere} = \boxed{1097509546.67 \ \text{m}^{3} } \ \ \ (\text{Estimated})

4 0
1 year ago
What is 3.9047 rounded to the nearest thousandth?
aleksley [76]

Answer: 3.905 rounded

Step-by-step explanation: The thousandth in this number is 4.

Round it up since when its 5 or more you add 1 more/raise the score

The answer is 3.905

3 0
2 years ago
Which relation is a function?
uysha [10]
B, because nothing repeats.
4 0
3 years ago
Julie runs 2 1/2 miles in the morning for 3 days per week, 6 1/2 miles in the morning for 2 days a week, the other days she ride
Makovka662 [10]
2.5*3 = 7.5 She run's 2 1/2 miles, which is equivalent to 2.5 miles, and 3 days per week, so you multiply 2.5 by 3
6.5 *2 = 13 She run's 6.5 miles per day for 2 days, again, because 6 1/2 is equivalent to 6.5 miles. Since she ran for 2 days so you multiply 6.5 by 2
13+7.5 = 20.5 miles
as for the answer, you just add the two numbers you got from Julie running 
5 0
3 years ago
Please help i don't understand!
meriva

Step-by-step explanation:

you did not tell us what we need to create or find or calculate.

I guess from the picture this is one of the new methods to factoring equations. typically where the method is often more complicated than just thinking logically and doing it.

let's see if I can figure that one out.

but first, the basic, normal approach.

factoring the equation means that find in this case (as it is a quadratic equation) 2 terms in x in the form

(ax + b)(cx + d) = 10x² - x - 2

with a, b, c, d being integer values.

after doing the multiplications we get

acx² + bcx + adx + bd = 10x² - x - 2

acx² + (bc + ad)x + bd = 10x² - x - 2

we see

ac = 10

bc + ad = -1

bd = -2

10 can be factored as

10×1

-10×-1

5×2

-5×-2

-2 can be factored as

-1×2

1×-2

so, get -1 for the middle one, I am trying to get -5 + 4. and that is possible by saying

b = -1

c = 5

d = 2

a = 2

to check

ac = 2×5 = 10

bc + ad = -1×5 + 2×2 = -5 + 4 = -1

bd = -1×2 = -2

that works perfectly.

so the factoring is

(2x - 1)(5x + 2) = 10x - x - 2

now to the box method :

the general quadratic equation is

ax² + bx + c

that means for us

a = 10

b = -1

c = -2

the box square starts with

-2

10x²

now we find 2 numbers that multiply across to a×c = -20 and add together to b = -1

n×m = -20

n+m = -1

n = -1 - m

and that we use in the first equation

(-1 - m)×m = -20

-m² - m + 20 = 0

m² + m - 20 = 0

using the general solution for such quadratic equations

m = (-1 ± sqrt(1² - 4×1×-20))/(2×1) = (-1 ± sqrt(81))/2 =

= (-1 ± 9)/2

m1 = (-1 + 9)/2 = 8/2 = 4

m2 = (-1 - 9)/2 = -10/2 = -5

as we see (n×m = -20) m1 = n2 and m2 = n1

so, the 2 numbers (sequence irrelevant) are -5, 4.

they represent -5x and 4x. the negative one goes in the upper enough box.

-5x -2

10x² 4x

now we create a column to the left of the box table, and a row below the box table.

the left column gets the greatest common factor of the line elements.

the greatest common factor of -5x and -2 is -1.

the greatest common factor of 10x² and 4x is 2x.

-1 -5x -2

2x 10x² 4x

the bottom row divides the last row by the left column element

10x² / 2x = 5x

4x / 2x = 2

-1 -5x -2

2x 10x² 4x

5x 2

and the factorization is then the left column and the bottom row :

(2x - 1)(5x + 2)

now anybody tell me this is not much more complicated than the direct method.

this is only advisable, if the direct method has too many options to try and combine.

I hope I found the right thing your teacher wants here.

8 0
2 years ago
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