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valina [46]
3 years ago
6

Use the property of equality to solve this equation 4.5x=18

Mathematics
2 answers:
IrinaK [193]3 years ago
4 0

Answer:

x = 4

Step-by-step explanation:

Given

4.5x = 18 ( divide both sides by 4.5 )

x = 4

Makovka662 [10]3 years ago
3 0

Answer:

x=4

Step-by-step explanation:

to isolate x, we need to divide both sides by 4.5, and 18/4.5 is equal to 4, so x=4.

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The sum of two numbers is 39 and the difference is 3. What are the numbers?
frosja888 [35]

Answer: 21 & 18

Step-by-step explanation:

Sum of two numbers is 39

Difference is 3

Let the numbers be x & y

X+y=39........equation 1

X-y=3...........equation 2

X=3+y............equation 3

Substitute equation 3 into equation 1

(3+y)+y=39

3+y+y=39

3+2y=39

2y=39-3

2y=36

Y=36/2

Y=18

Substitute for y in equation 2

X-y=3

X-18=3

X=3+18

X=21

The two numbers are 21 & 18

8 0
3 years ago
You ride a bicycle at a speed of 18 miles per hour. I am 3 miles behind my friend. My friend rides a bicycle at a speed of 12 mi
anzhelika [568]

Answer:

i think 9 but 6 could also be right

Step-by-step explanation:

18-12=6------18-3=15-------15-3=12-----------12-3=9

3 0
3 years ago
Which numbers represent the solutions to the inequality below? Check all that apply.
Degger [83]
Your answer will be -3 only
3 0
3 years ago
Yadier killed 3 4/5 miles from the Nature Center to the waterfall. Then he hiked another 2 2/3 miles to Overlook Point. How far
EastWind [94]

Answer: estimate 7

exact: 6 7/15

Step-by-step explanation: for the estimate round 3 4/5 to 4 and 2 2/3 to 3 and 4 + 3 = 7

for the exact number convert 3 4/5 to 3 12/15

and convert 2 2/3 to 2 10 /15

then add 3 + 2 = 5

and 12/15 + 10/15 = 22/15

convert 22/15 to a mixed number which is 1 7/15

then 5 + 1 7/15

answer 6 7/15

hope this helps mark me brainliest if it helped

7 0
3 years ago
A preliminary study of hourly wages paid to unskilled employees in three metropolitan areas was conducted. Included in the sampl
andriy [413]

There is a system glitch during the process of adding my answer here so i create a document file for the answer, you find it in the attachment below.

Download docx
5 0
3 years ago
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