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Phoenix [80]
3 years ago
6

Explain solving systems of equations using substition?

Mathematics
1 answer:
Nitella [24]3 years ago
8 0

when solving a system of equations the difference between that and elimination is the when you're using the Elimination u have to first multiply the numbers but when substituting it's different unlike the Elimination this is all ik and can u mark me brainliest?

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What is the surface area of a triangular pyramid if each face has an area of 80 m2?
TiliK225 [7]
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7 0
3 years ago
On Sunday, Dan collected 6.8 pounds of aluminum for recycling. On Monday he collected another 8.75 pounds. What is the total num
sweet-ann [11.9K]
Lets look at the information we have:-

6.8 pounds on Sunday
8.75 pounds on Monday
How many pounds did he collect together on these 2 days?

Add:-

6.8 + 8.75 = 15.55
Dan collected 15.55 pounds of aluminum on these 2 days. 

CHECK OUR WORK:-

15.55 - 8.75 = 6.8
We were RIGHT!! 

So, Dan collected 15.55 pounds of aluminum on these 2 days. 

Hope I helped ya!! xD 
6 0
3 years ago
Can someone help I am really confused 15 points + brainliest
maksim [4K]

Answer:

A

Step-by-step explanation:

you can easly understand the question by read the question again and again.

6 0
3 years ago
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Sunny_sXe [5.5K]
They both have the same denominator or bottom half of the fraction so you need to compare the numerators. 6 is more than 4 so Martin bought more fruit than Jack.  Hope this helps. 
8 0
4 years ago
Read 2 more answers
Can someone please help? The Girl Scouts sold 4 boxes of sugar cookies to strangers and 124 boxes to relatives (all at the same
Vinvika [58]

Answer:

$2 dollars and 50c

Step-by-step explanation:

124 + 4 equals 128 and 320 divided by 128 is 2.5, so 2 dollars and 50 cents.

8 0
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