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tino4ka555 [31]
3 years ago
13

The sum of two numbers is fifteen. One number is three less than the other. Find the numbers.

Mathematics
1 answer:
almond37 [142]3 years ago
6 0

Answer:The answer is 9.

Step-by-step explanation: solve the equation

(x)+(x-3)=15

2x= 15+3

2x=18

2/2x=18/2

x=9

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Which 2 numbers have a mean of 10 and a range of 4?
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Answer:

12 and 8

Step-by-step explanation:

basic knowledge of math i guess

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8 0
3 years ago
Plot and label 3 different points with x-coordinate 3.
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(3,-4) (3,5) (3,6)

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Less than 5/6 with a denomintor
vichka [17]
It would be around 2/3
8 0
3 years ago
Part A) Julio makes a scale drawing of the kitchen floor to determine how many square feet of flooring he needs to buy . The sca
serg [7]
Part A) 
we know that
<span>scale ---------->  inch/4 feet=0.25 in/ft

</span>[scale]=[scale drawing]/[actual]
[actual]=[scale drawing]/[scale]

for <span>length --------> 4 1/2 in ---------> 4.5 in  (</span>scale drawing)
[actual]=[4.5]/[0.25]=18 ft

for <span>width ---------> 3 3/8 in</span> ---> (3*8+3)/8 ---> 27/8 in  (scale drawing)
[actual]=[27/8]/[0.25]=13.5 ft

the answer part A is
length actual <span>kitchen floor is 18 ft
</span>width actual kitchen floor is 13.5 ft

Part B)  
the area of one square in the actual=(1/2)*(1/2)=0.25 ft²
total area gray tiles=0.25*14=3.5 ft²
total area white tiles=0.25*10=2.5 ft²

find <span>how many tiles 2 in by 2 in of each color will he need
1ft</span>²-------------> 144 in²
gray tiles
3.5 ft²---------------> 3.5*144=504 in²
[tiles 2 in by 2 in gray]=504/(2*2)=126 gray tiles 

white tiles
2.5 ft²---------------> 2.5*144=360 in²
[tiles 2 in by 2 in white]=360/(2*2)=90 white tiles 

the answer Part B) is
126 gray tiles
90 white tiles 



6 0
3 years ago
Read 2 more answers
Jen has 2 meters of taffy. She wants to give each if her friends an equal amount of taffy. How many centimeters of taffy will ea
mash [69]

2 meters are 200 centimeters

you will need to know how many friends she has...

but, supposing she has 4 friends, each friend would get 50 centimeters...

i'm not really sure how to write that in a mixed number, but I hope this helps!!

6 0
4 years ago
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