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ser-zykov [4K]
2 years ago
10

Ok so i thought i knew what i was doing but then i didn't know what i was doin-

Mathematics
2 answers:
Butoxors [25]2 years ago
7 0

Answer:

uh pretty sure the answer is C

olga55 [171]2 years ago
7 0
Answer: A

explanation: i did this last year and kept my paper! good luck!
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-1.3n =7.8 need help​
xxMikexx [17]

Hey there!

-1.3n = 7.8

First, you have to DIVIDE both sides by -1.3

-1.3n / -1.3 = 7.8 / -1.3

Cancel out: -1.3 / -1.3 because it gives you the value of 1

Keep: 7.8 / -1.3 because it gives us the value of n

7.8 ÷ -1.3 = -6

Thus, n = -6 ✅

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)

7 0
3 years ago
How do uou do this problem
Ronch [10]
The first step to solving an equation like this is to find the slope of a line that will be perpendicular to the line given. The slope of a line that's perpendicular to another line is the negative reciprocal. The negative reciprocal of -1/5 is 5. So, so far our equation is y = 5x + b. Now, to find what b is equal to, we should substitute the values of x and y from the point (1,2) since we know that our line goes through the point. Our equation becomes:

2 = 5 + b
b= -3

That means that the equation of our new line is y = 5x - 3
4 0
3 years ago
A photographer is planning to enlarge a photograph by a scale factor of 1:5 . The original photograph has an area of 154 square
Step2247 [10]
Your answer should have been 3850 in^2 

1^2/5^2 = 1/25

1/25 = 154/x
1x= 154 (25)
1x/1= 3850/1
x= 3850
8 0
3 years ago
Read 2 more answers
−3=z−8<br><br> Find what Z is
PolarNik [594]

Answer:

z=5

Trust me I don't know how to explain it.

6 0
3 years ago
Read 2 more answers
In designing a true/false test you use a random number generator to determine if the answer is true or false. This gives you a r
yan [13]

Answer:

no because

Step-by-step explanation:

the results were not tested enough

5 0
3 years ago
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