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Alika [10]
3 years ago
14

The difference of x and 5 is less than 21. Translate the sentence into an inequality.

Mathematics
1 answer:
Ad libitum [116K]3 years ago
3 0

Answer:

x-5<21

Step-by-step explanation:

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Graph 2x-5y=1 <br> Help I don’t know how to do it
lapo4ka [179]

Answer:

Step-by-step explana

Move all terms that don't contain

x

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x

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2

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5 0
2 years ago
A right rectangular prism has edges of 2 1/4 in, 1 1/2 in and 1 1/2 in. How many cubes with lengths of 1/4 in would be needed to
Zielflug [23.3K]

The volume of a rectangular prism is (length) x (width) x (height).

The volume of the big one is  (2.25) x (1.5) x (1.5) = <em>5.0625 cubic inches</em>.

The volume of the little one is  (0.25)x(0.25)x(0.25)= 0.015625 cubic inch

The number of little ones needed to fill the big one is

             (Volume of the big one)  divided by (volume of the little one) .

       5.0625 / 0.015625  =  <em>324 tiny cubies</em>

=================================================

Doing it with fractions instead of decimals:

The volume of a rectangular prism is (length) x (width) x (height).
Dimensions of the big one are:

   2-1/4  =  9/4
   1-1/2  =  3/2
   1-1/2  =  3/2

   Volume = (9/4) x (3/2) x (3/2) =
 
                 (9 x 3 x 3) / (4 x 2 x 2)  =

                           81 / 16  cubic inches.

          As a mixed number:    81/16  =  <em>5-1/16 cubic inches</em>

Volume of the tiny cubie = (1/4) x (1/4) x (1/4) =  1/64 cubic inch.   

The number of little ones needed to fill the big one is

             (Volume of the big one)  divided by (volume of the little one) .

                 (81/16) divided by (1/64)  = 

                     (81/16) times (64/1)  = 

                             5,184/16  =  <em>324 tiny cubies</em>.


5 0
3 years ago
What digits can be in the ones place of a number that has 5 as a factor
ra1l [238]
The only two numbers can be a factor of 5 in the ones place is 5 and 1
6 0
3 years ago
There are 10 kids on the math team. Two kids will be selected from the team to compete in the state competition. How many ways a
patriot [66]

Answer:

45 ways

Step-by-step explanation:

Total number of kids = 10

We have to select the 2 kids

So the number ways to select two kids ^{10}C_2

We know that ^{n}C_r=\frac{n!}{r!(n-r)!}

So ^{10}C_2=\frac{10!}{2!(10-2)!}=\frac{10!}{2!\times 8!}=\frac{10\times 9\times 8!}{2\times 8!}=45

So there are 45 ways to select 2 competitors

8 0
3 years ago
What is the area of the shaded region below?
lisabon 2012 [21]

Answer: the answer is 256

Step-by-step explanation:

i hope this helped.

6 0
3 years ago
Read 2 more answers
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