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yarga [219]
3 years ago
13

Which is a common denominator for the numbers: 40 and 28

Mathematics
2 answers:
Archy [21]3 years ago
8 0

Answer:

(a) 40 into 1120=28....28 into 1120=40 so 1120 is the denominator of 40&28

Agata [3.3K]3 years ago
4 0

9514 1404 393

Answer:

  a)  1120

Step-by-step explanation:

If 28 and 40 are denominators of fractions, one way to find a common denominator is to simply multiply these values:

  28×40 = 1120 . . . . a possible common denominator

__

The Least Common Denominator is the least common multiple (LCM) of these denominator numbers. The LCM is their product, divided by their greatest common factor. Here, that factor is 4, so the<em> least</em> common denominator is 1120/4 = 280.

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I want help ,i want an answer
Ainat [17]

These are the answers for the first 2 questions

<em></em>

<em>1.</em> 16.956 m

     <em><u> formula:</u></em> C = 2πr

    C = 2(3.14)(2.7)

    C = 6.28(2.7)

    C = 16.956

<em>4.</em> 15.7 ft.²

      <u><em>formula:</em></u> C = πd

    C = 3.14(5)

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3 0
4 years ago
What is the range of a function f(x)=-x+15 when the domain is {-3,-1,11}?
hodyreva [135]

Answer:

The range is the output value or the y value.

You would work backwards to find the domain.

f(x) = 4x - 1                              f(x) = 4x - 1

3 = 4x - 1                                    7 = 4x - 1

add 1 to both sides                    add 1 to both sides

4 = 4x                                            8 = 4x

divide both sides by 4              divide both sides by 4

x = 1                                              x = 2

f(x) = 4x - 1                                  f(x) = 4x - 1

11 = 4x - 1                                      15 = 4x - 1

add 1 to both sides                      add 1 to both sides

12 = 4x                                              16 = 4x

divide both sides by 4                  divide both sides by 4

x = 3                                                    x = 4

Domain { 1, 2, 3, 4}

Step-by-step explanation:

4 0
3 years ago
Plss help this is due tomorrow !! :((​
VladimirAG [237]

Answer:

A y= -3/4+6

Step-by-step explanation

I hope this helps good luck

I'm 100% sure

Good luck god bless you pass have a nice day

3 0
2 years ago
Read 2 more answers
Maya has 150 caramel apples to sell. Each caramel apple is covered with one topping.
icang [17]

Answer:

25

Step-by-step explanation:

First you have to figure out how much each is worth by itself.

carmel =30

coco chips =50

coconut= 45

then add all of them you'd get 125

subtract 125 from 150 and get 25

4 0
3 years ago
Read 2 more answers
How can x+8=-x+7 be set up as a system of equations A. Y=x+8 Y=-x+7 B. y=x+8 Y=-3x+7 C. Y=x+5 Y=-2x+11 D. Y=8 Y=-3x+7
ch4aika [34]
X + 8 = -x + 7

it can be set up like this :
y = x + 8
y = -x + 7
8 0
4 years ago
Read 2 more answers
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