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irina1246 [14]
3 years ago
6

The sum of two numbers is 48. One number is 4 less than the other. Find the numbers.

Mathematics
1 answer:
Kruka [31]3 years ago
8 0

Answer:

=26

=22

Step-by-step explanation:

\:  \:   \: x+x-4=48 \\  = 2x - 4 = 48 \\  = 2x = 48 + 4\\  = 2x = 52 \\ =  x = 26 \\   \:  \:  \:  \:  \:  \:  \:  \:  \:= x - 4 = 26 - 4 = 22

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Debora [2.8K]

Answer:

42sq

Step-by-step explanation:

       5:7

30 sq: x sq

30/5=6 sq for 1 of the ratio

6*7=42 sq for 7 of the ratio

4 0
2 years ago
Evaluate the expression when a=- 7 and x=3.<br> a-8x
FinnZ [79.3K]

Answer:

-31

Step-by-step explanation:

a - 8x will change to (-7) - 8(3) = -31

3 0
2 years ago
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18. The Sahara Desert is the largest desert in the world. It covers 3,500,000 square miles. The Australian Desert is the second
ruslelena [56]
Solution:
3,500,000 - 2,030,000 = 1,470,000 square miles
Explanation:
Let's fully understand what this word problem is saying. Break it down.
The Sahara Desert is the largest desert in the world.
The Australian Desert is the second largest desert. 
This means that the Australian Desert has an area that is less than the Sahara desert. 
We are given the size of the Sahara, which is 3,500,000 square miles, but not the size of the Australian desert.The area of the Australian desert is less by 2,030,000 square miles.This is the amount we have to subtract from the area of the Sahara to find the size of the Australian desert:
3,500,000-2,030,000= 1,470,000 square miles. Hope this helps!
6 0
3 years ago
What is the answer to 3a+5-x+7x-2a
Black_prince [1.1K]
The answer to your problem is a+6x+5.
4 0
3 years ago
Jim and his dad are building a rectangular flower bed. They have a total of 35 feet of landscaping timber to use, and they want
Mama L [17]
The perimeter is 35.  If we were to change the width, which is one of the dimensions of the flower bed, The perimeter will change.  This means that perimeter will no longer be 35.  So in order to keep the perimeter as it is, if we change one dimension, we must also change the other. Let's solve for the length, using the formula to see how much the length changes from. p = 2l + 2w 35 = 2l + 2(15) 35 = 2l + 30 5 = 2l 2.5 = l  We must increase the length from 2.5 feet.  This is because decreasing one dimension will decrease the perimeter.  But if we increase the other dimension as well, it will restore the perimeter to where is was initially.
4 0
3 years ago
Read 2 more answers
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