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zalisa [80]
3 years ago
12

Estimate 1.3 - (-2.5)

Mathematics
1 answer:
Helen [10]3 years ago
8 0

Answer:

3.8

Step-by-step explanation:

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Refer to the equation 3x − 2y = 12.
-Dominant- [34]

Answer: don't know sorry what kind if grade is this

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4 0
3 years ago
Solve for substitution<br> x-2y+z=-11<br> 3x+2y-z=7<br> -x+2y+4z=-9
Alla [95]

Answer:

Unit rate miles per day is, 3

Step-by-step explanation:

Unit rate are defined as the rate are expressed as quantity of 1 such that 2 miles per hour or 5 km per hour.

As per the given statement: A construction crew built 1/2 miles of road in 1/6 days

by unit rate definition;

After substituting the given values we have

⇒  

or

Therefore, unit rate miles per day is, 3

Step-by-step explanation:

hhhthhg

6 0
3 years ago
Y = -2x<br><br> Please help
djyliett [7]
What’s the question?
8 0
3 years ago
One number is eight less than three times another number. If the sum of the numbers is 20, find the numbers.
mamaluj [8]

Answer:

7 & 13

Step-by-step explanation:

Let the first number be x

2nd number = 8 less than 3 times the other

2nd number = 3x - 8

Their sum = 20

X + 3x - 8 = 20

4x -8 = 20

Collect like terms

4x = 20+8

4x = 28

Divide both sides by 4

4x/4 = 28/4

X = 7

First number = 7

2nd number = 3x - 8

= 3(7) - 8

= 21 -8

= 13.

Therefore the numbers are 7 and 13

Pls mark as brainliest

4 0
3 years ago
What is the domain of the relation below?
Andrei [34K]

Answer:

the answer : domain is third one

Step-by-step explanation:

4 0
3 years ago
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