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Radda [10]
3 years ago
14

Maria is adding a shelf to her bookcase. The piece of wood she has for her shelf is 30 1/2 inches long . The other shelves are e

ach 27 1/4 inches long. How much longer is the piece of wood than the other shelves
Mathematics
1 answer:
Scilla [17]3 years ago
4 0

Answer:

3 1/4

Step-by-step explanation:

Given that :

Length of piece of wood = 30 1/2

Length of other book shelves = 27 1/4

Difference between the length gives how much longer the piece of wood is than the other book shelves :

30 1/2 - 27 1/4

61 /2 - 109 /4 = (122 - 109) / 4

(122 - 109) / 4 = 13 /4

13 /4 = 3 1/4

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-3/10 + 4/15<br> Solve the above problem
Firlakuza [10]

Answer:

-1/30

Step-by-step explanation:

find the lcm of 10 and 15

then solve it

3 0
2 years ago
The vertex of this parabola is at 2, -1 When the y-value is 0 the x value is 5 what is the coefficient of the squared term in th
Olegator [25]

Answer:

\large \boxed{\sf \frac{1}{9}}

Step-by-step explanation:

\sf y=a(x-h)^2+k

\sf Vertex = (h,k)

y-value is 0 and the x value is 5

h = 2

k = -1

\sf 0=a(5-2)^2+-1

Solve for \sf a (the coefficient of the squared term).

\sf 0=a(3)^2+-1

\sf 0=9a-1

\sf 9a=1

\displaystyle \sf a=\frac{1}{9}

The coefficient of the squared term in the parabola equation is 1/9.

8 0
3 years ago
Read 2 more answers
C bisects AB. If AC = 8x - 1 and BC = 4x + 19, what is the length of AB?
tensa zangetsu [6.8K]

The length of AB is 78 units.

<h3>What is a Line Segment?</h3>

A line segment is defined as a measured path between two places. Line segments can make up any polygon's sides because they have a set length.

The figure is given below shows a line segment AB , where the length of line segment AB refers to the distance between its endpoints, A and B.

Given that C is the midpoint of AB

AC = 8x - 1 and BC = 4x + 19,

A______________C______________B

⇒ AB = AC+ BC

Since C is the bisects of AB, So AC = BC

⇒ AB = AC+ BC

⇒ AB = 2AC

Substitute the values of If AC = 8x - 1 and BC = 4x + 19,

⇒ 8x - 1 = 4x + 19,

Rearranging the terms in the above equation,

⇒ 8x - 4x  = 1 + 19,

⇒ 4x = 20,

⇒ x = 20/4,

⇒ x = 5

So AB = 2AC

⇒ AB = 2(8x - 1) = 16x -2

Substitute the value of x = 5 in the above equation,

⇒ AB = 16(5) -2

⇒ AB = 78

Hence, the length of AB is 78 units.

Learn more about the line segment here:

brainly.com/question/25727583

#SPJ1

8 0
1 year ago
Where would 3/5 be plotted in a number line?
Mamont248 [21]
Between 0 and 1, add dashes so you have a total of 6 marks including 0 and 1. Then count 3 over and that would be 3/5.

7 0
3 years ago
Read 2 more answers
Dave buys a baseball for $15 plus an 8% tax. Mel buys a football for $20 plus an 8$ tax. How much did each person pay?
-Dominant- [34]
Dave pays $15 and tax is $1.2 so dave spent a total of $16.20.

Mel pays $20 and tax is $1.6 so Mel spent a total of $21.60.

All you need to do is convert the percent to a decimal, so take 8 and divide by 100 and you get 0.08. then you need to  multiply the cost by the tax so 15*0.08=1.2 then you just add tax to original amount 15+1.2=16.2
:)
5 0
3 years ago
Read 2 more answers
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