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3 years ago

13

Webster was cleaning his room and found 57 books under his bed. He put them in stacks with the same number of books in each stac

k ( one book it self does not count as a stack.) How many stacks did he make?

1 answer:

Alika [10]3 years ago

5 0

3 stacks of 19
or
19 stacks of 3

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2. Find the sum of the digits of each multiple of 9 below.

FrozenT [24]

Answer:

Step-by-step explanation:

Take the sum of each answer and add the two digits together.
9.2=18 1+8=9

9.3=27 2+7=9

9.4=36. 3+6=9

The sum of the digits added together will always equal 9

4 0

2 years ago

PLEASE HELP ASAP!! VERY IMPORTANT!!!

erica [24]

It is c I think I'm not positive but Ive done this one

7 0

3 years ago

Need to show my work

dalvyx [7]

Answer:

$\large\boxed{x=\dfrac{5}{4},\ y=\dfrac{15}{16}}$

Step-by-step explanation:

$\left\{\begin{array}{ccc}y=\dfrac{3}{4}x&(1)\\\dfrac{5}{2}x+2y=5&(2)\end{array}\right\\\\\text{Substitute}\ (1)\ \text{to}\ (2):\\\\\dfrac{5}{2}x+2\left(\dfrac{3}{4}x\right)=5\\\\\dfrac{5}{2}x+\dfrac{3}{2}x=5\\\\\dfrac{5+3}{2}x=5\\\\\dfrac{8}{2}x=5\\\\4x=5\qquad\text{divide both sides by 4}\\\\x=\dfrac{5}{4}$

$\text{Put the value of}\ x\ \text{to (1)}\\\\y=\dfrac{3}{4}\cdot\dfrac{5}{4}\\\\y=\dfrac{15}{16}$

4 0

3 years ago

Read 2 more answers

the sum of three consecutive even integers is 36. Let X represent the first integer, x + 2 represent the second integer, and x +

ozzi

Answer:

see explanation

Step-by-step explanation:

Sum the 3 consecutive integers and equate to 36

x + x + 2 + x + 4 = 36

3x + 6 = 36 ( subtract 6 from both sides )

3x = 30 ( divide both sides by 3 )

x = 10

The 3 consecutive integers are

10, 10 + 2, 10 + 4, that is

10, 12, 14

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3 years ago

A kite is flying at a height of 60 m and is attached to a string inclined at 30° to the horizontal. What is the length of the st

Aneli [31]

Answer: 120

Step-by-step explanation:

Because it is

5 0

3 years ago