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aksik [14]
3 years ago
12

What is thisssssssss plssssssss

Mathematics
1 answer:
RSB [31]3 years ago
6 0

Answer:

I think u should do 2.5 ÷n=r

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% is the correct percentage conversion for 2/5
denis-greek [22]

Answer:

%40

Step-by-step explanation:

<u>Step 1:  Divide 2/5</u>

2/5 = 0.4

<u>Step 2:  Convert to Decimal by multiplying by 100</u>

0.4 * 100 = %40

Answer:  %40

6 0
3 years ago
Read 2 more answers
Solve using quadratic formula x squared -2x-8=0
Aleks [24]
x= \frac{-b\pm  \sqrt{b^2-4ac} }{2a} for the equation ax^2+bx+c

Your question is x^2-2x-8=0

So a=1 \\b=-2\\c=-8

So plug in your numbers:
x= \frac{-(-2)\pm \sqrt{(-2)^2-4(1)(-8)} }{2(1)}

Simplify:
x= \frac{2\pm \sqrt{4-(-32)} }{2}

Simplify a little more:
\frac{2\pm6}{2}

So our answer is<u />
x= \frac{2+ 6 }{2} = 4\\x= \frac{2- 6 }{2}=-2

So x=4, x=-2
8 0
4 years ago
Read 2 more answers
Whats is the slope of the line that passes through the points (3,-1) and (-2,-5)
Alchen [17]
You just subtract the x's and subtract the y's. So it will be 3- -2 and -1 - -5. Subtracting a negative is like adding a positive so your answer will be 5/4. 
8 0
3 years ago
Read 2 more answers
URGENT!!!!! Will give brainliest to the right answer
inessss [21]

Answer:

center b and scale 3 is the correct option

3 0
3 years ago
Use what you know about signed numbers to complete these square box problems
morpeh [17]

Answer:

We need to know what the boxes are, you didnt include numbers so we cant help you :) Have a great day and i hope you figure the problem out with the help with our Brainly workers!  -Conner

Step-by-step explanation:

6 0
3 years ago
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