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2 years ago

10

15-8. mixed number fractious

1 answer:

vovangra [49]2 years ago

6 0

1 as the big number 7 over 8

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koban [17]

The reason fractions need a common denominator before adding or subtracting is so that the numbers of pieces you are adding/subtracting are all the same size. Note that the numerator of a fraction just tells you how many pieces you have of that size.

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1 year ago

Eight times the sum of a number and 4 equals 3

BigorU [14]

The algebraic expression is: $8(x+4)=3$

And Value of x is: $x=\frac{-21}{8}$

Step-by-step explanation:

We need to write the expression of the statement:

Eight times the sum of a number and 4 equals 3

Let the number = x

The expression will be:

$8(x+4)=3$

Solving the expression to find value of x:

$8(x+4)=3\\8x+24=3\\Adding\,\,-24\,\,on\,\,both\,\,sides:\\8x+24-24=3-24\\8x=-21\\x=\frac{-21}{8}$

So, The algebraic expression is: $8(x+4)=3$

And Value of x is: $x=\frac{-21}{8}$

Keywords: Algebraic Expression

Learn more about Algebraic Expression at:

#learnwithBrainly

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2 years ago

6th grade math help me pleaseeee

Ilya [14]

Answer:

D :3 -Your friend, Bill Cipher

Step-by-step explanation:

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2 years ago

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all of the calandars at the bookstore are on sale this weekend for $5.75. if joanne bought $149.50 worth of calanders this weeke

MissTica

She bought 26 calandras
I divided 149.50 by 5.75

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2 years ago

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A race car was attempting to set a record the race car went 1000 feet in 4.5 seconds to the nearest Tenth what is the average sp

V125BC [204]

Answer:

222 ft/sec

Step-by-step explanation:

Essentially you're being asked to find the unit speed (that is, distance per sec).

1000 ft

------------ = 222 feet/sec is the approx. average speed / unit speed

4.5 sec

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3 years ago