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juin [17]
3 years ago
11

The sum of a certain number and -3.4 is -8.1 find the number​

Mathematics
2 answers:
Andrews [41]3 years ago
7 0

Answer:

Step-by-step explanation:

x= unknown number

-3.4 + x = -8.1

x=  -8.1 + 3.4

x= -4.7

hoped this helped :)

kirza4 [7]3 years ago
6 0
Answer:

-4.7

Explanation:

-4.7 + -3.4 = -8.1

I’m giving you an Integer Rule Cheat Sheet that I use. Hopefully it can help you with Math problems like this!

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earnstyle [38]

Answer:

Week 4

Step-by-step explanation:

Ben has $250 in the beginning.  He saves $150 per week.

y = 150x + 250

Tim has $1,650 in the beginning.  He spends $200 per week.

y = 1650 - 200x

We are trying to find which x-value produces the same y-value for both equations.  You can do this by setting both equations equal to each other.

150x + 250 = 1650 - 200x

(150x + 250) + 200x = (1650 - 200x) + 200x

350x + 250 = 1650

(350x + 250) - 250 = (1650) - 250

350x = 1400

(350x)/350 = (1400)/350

x = 4

By week 4, they will have the same amount of money.

3 0
3 years ago
Find the lesser of two consecutive integers with a sum greater than 16.
Cerrena [4.2K]
A number that is less that 7.5 can be used as the lesser of the two consecutive integers with the sum greater than 16, but only if the number used was added with one.
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kupik [55]
Ok, MissWalker! Please try your best to understand this, it may get confusing.
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8 0
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Need help ASAP <br><br> Have a nice rest of your day <br> -Mellow
VMariaS [17]

Answer:

option c

Step-by-step explanation:

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the y-intercept is the point where the line intersects at the y-axis, in this case, at 3.

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