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2 years ago

How do you subtract and reduce 9 - 2 over 5

2 answers:

4 0

I think once u get ur answer 9-2 then i think u divide your answer by five and then u get your final answer hope that works

Vadim26 [7]2 years ago

3 0

Answer:

8 and 3 over 5

Step-by-step explanation:

first you turn 9 into a improper fraction which is 45 over 5 then you subtract it which equals 43 over 5 and simplified equals 8 and 3 over 5

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80 of ___games is 32 games

kotykmax [81]

80.. of <em><u>0.4</u></em> games is 32 games

6 0

2 years ago

\The lengths of a lawn mower part are approximately normally distributed with a given mean Mu = 4 in. and standard deviation Sig

chubhunter [2.5K]

Answer:

68.26% of the parts will have lengths between 3.8 in. and 4.2 in.

Step-by-step explanation:

The lengths of a lawn mower part are approximately normally distributed

$\mu = 4$

Standard deviation = $\sigma =0.2$

We are supposed to find What percentage of the parts will have lengths between 3.8 in. and 4.2 in . i.e. P(3.8<x<4.2)

Formula : $Z=\frac{x-\mu}{\sigma}$

At x = 3.8

$Z=\frac{3.8-4}{0.2}$

Z=-1

Refer the z table for p value

p value =0.1587

At x =4.2

$Z=\frac{4.2-4}{0.2}$

Z=1

Refer the z table for p value

p value =0.8413

P(3.8<x<4.2)=P(x<4.2)-P(x<3.8)=0.8413-0.1587=0.6826

So, 68.26% of the parts will have lengths between 3.8 in. and 4.2 in.

3 0

3 years ago

X+2y=6 and x-y=3 solve by linear equations by substitution

nevsk [136]

X+2y=6
x-y=3x=6-2y
x=3+y

6-2y=3+y
3=3y
y=1

x=3+1
x=4
Answer: (4;1)

3 0

2 years ago

The table shows ordered pairs for a polynomial function, f.

Dovator [93]

f(x) means the function of x

so the function is the input is x and the output is f(x), read "f of x". The output f(x) is sometimes given an additional name y by y = f(x). The example that comes to mind is the square root function on your calculator.

4 0

2 years ago

netineya [11]

Answer:

100+90+7

200+20

Step-by-step explanation:

5 0

2 years ago