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SIZIF [17.4K]
3 years ago
15

An expression is shown below.

Mathematics
1 answer:
nordsb [41]3 years ago
8 0

Answer:

It is -4 and -5 2/3

Step-by-step explanation:

They are the only negatives that are 3, or over 3, units higher then -1 2/3.

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Help me with this very pls. I will give you the brainliest and a thanks!! :)) Can you do 1 and 4 thanks!! :)))
lubasha [3.4K]
Answer: 1. 12 and 4 I think
4 0
3 years ago
8x+3y= 28 and 7x-3y=2<br>solve for x and y simontaniasly using elimination ​
EleoNora [17]

Answer:

x=2, y=4

Step-by-step explanation:

When using elimination, the objective is to elimate one variable. In this case, we see that "y" can easily be eliminated by adding the two equations together since you will get 3y + (-3y) which will eliminate y because the value would become 0, letting us solve for x.

\left \{ {{8x+3y=28} \atop {7x-3y=2}} \right. +\\

Then we get

15x =30, because the y's will eliminated, and 8x+7x is 15x, and 28+2 is 30.

Then divide by 15 on both sides and you get x=2

If x=2, then we can substitute that value into any of the previous given equations and find the value of y.

8×2 +3y = 28

16+3y=28

3y=12

y=4

So the answer to your system of equations would be x=2, and y=4

You can substitute the answers we found to see that they satisfy the equation.

Hope this helped.

6 0
3 years ago
The mk family ochard has 120 apple trees and 90 pear trees.if each fruit tree produces an average of 590 pounds of fruit per yea
denis-greek [22]
If there’s a total of 210 fruit trees, and each tree produces 590 pounds a year, you multiply both those numbers and get 123,900 pounds a year.
6 0
3 years ago
Find the sum of the interior angles of a regular 29-gon.
aev [14]

Woah! A 29-gon. Impressive!

Sum of angles = 180(n-2) [where n is equal to the number of sides]

180(29-2)

180(27)

The sum of the interior angles of a regular 29-gon is 4860 degrees.

Hope that helps!


6 0
3 years ago
How many years in 9.7 scores?​
mamaluj [8]

Answer:

I think its 187 years

Step-by-step explanation:

Hope this helps!!

7 0
3 years ago
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