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Kaylis [27]
4 years ago
10

Please help me emergency

Mathematics
1 answer:
gayaneshka [121]4 years ago
6 0
He had 28.5kg but then he sold 16.93kg so that would be 28.5kg - 16.93kg which is 12.57kg, and then he sold another 9.807 so you do 12.57 - 9.807 which is 2.763kg. Are you sure this is middle school maths and not primary school?
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If a person invests $500 at 2% simple interest for 4 years how much interest is earned
irinina [24]
$40
500×2% is 10×4 is 40
6 0
4 years ago
Simplify: $\frac{1}{\sqrt{2}+\frac{1}{\sqrt{8}+\sqrt{200}+\frac{1}{\sqrt{18}}}}$.
dmitriy555 [2]

Answer:

Step-by-step explanation:

its no way to answer how u texted it

5 0
2 years ago
Alec is doing a test of 50 questions. He gets 2 marks for every question that is correct, but loses 1 mark for every question th
slega [8]

Alec got 33 and a half questions correctly because he got one mark on the 34th Question

Step-by-step explanation:

50×2=100

100-67=33 and a half

4 0
3 years ago
F(x)=x^3+10x^2+31x+30
Colt1911 [192]

The factors of the given polynomial will be ( x + 2 ), ( x + 5 ) and ( x + 3 ).

<h3>What is an expression?</h3>

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication and division.

The given expression will be solved as:-

f(x) = x³ + 10x² + 31x + 30

f(x) = ( x³ + 7x² + 10x + 3x² + 21x + 30

f(x) = ( x² + 7x + 10 ) ( (x + 3 )

f(x) = ( x²+ 5x + 2x + 10 ) ( x + 3 )

f(x) =[ x ( x+ 5 ) +2 ( x+ 5) ] ( x + 3 )

f(x) = ( x + 5 ) ( x + 2 ) ( x + 3 )

Therefore factors of the given polynomial will be ( x + 2 ), ( x + 5 ) and ( x + 3 ).

To know more about Expression follow

brainly.com/question/723406

#SPJ1

5 0
2 years ago
W+1/8 =8 plzz help me i need it
Marina CMI [18]

Answer:

w = 7 7/8

Step-by-step explanation:

w + 1/8 = 8

First, subtract 1/8 from both sides of the equation

w + 1/8 = 8

   - 1/8    - 1/8

w = 7 7/8

8 0
3 years ago
Read 2 more answers
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