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VashaNatasha [74]
3 years ago
6

Sandy lives 200 m from school. One

Mathematics
1 answer:
lisov135 [29]3 years ago
3 0

Answer:

Following are the solution to the given question:

Step-by-step explanation:

For question 1:

Calculating the speed between A and B:

Time\ (t)= 1 \ hours\\\\Distance\ (d)= 10 \ km\\\\V=\frac{d}{t}=\frac{10}{1}= 10 \ kmph

For question 2:

Calculating the speed between B and C:

Time\ (t)= (2-1)=1 \ hours\\\\Distance\ (d)= (15-10)= 5\ km\\\\V=\frac{d}{t}=\frac{5}{1}= 5 \ kmph\\  

For question 3:

In this the speed between A and B is the double to speed between B and C.

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Ms. Smith is making 10 snack packs with 1 apple
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Step-by-step explanation:

1snack pack cost 1.6dollars($0. 6+$1)

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($0. 6+$1)×10 =/ unequal $9

6 0
2 years ago
Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE
EleoNora [17]

Answer:

0, 10

Step-by-step explanation:

The given function is:

g(y) = \frac{y-5}{y^2-3y+15}

According to the quotient rule:

d(\frac{f(y)}{h(y)})  = \frac{f(y)*h'(y)-h(y)*f'(y)}{h^2(y)}

Applying the quotient rule:

g(y) = \frac{y-5}{y^2-3y+15}\\g'(y)=\frac{(y-5)*(2y-3)-(y^2-3y+15)*(1)}{(y^2-3y+15)^2}

The values for which g'(y) are zero are the critical points:

g'(y)=0=\frac{(y-5)*(2y-3)-(y^2-3y+15)*(1)}{(y^2-3y+15)^2}\\(y-5)*(2y-3)-(y^2-3y+15)=0\\2y^2-3y-10y+15-y^2+3y-15\\y^2-10y=0\\y=\frac{10\pm \sqrt 100}{2}\\y_1=\frac{10-10}{2}= 0\\y_2=\frac{10+10}{2}=10

The critical values are y = 0 and y = 10.

5 0
3 years ago
Easy Problem just need to make sure I got it right
zloy xaker [14]

Answer:

a

Step-by-step explanation:

We first require the fraction of English to Total

Total = 84 + 38 + 18 + 47 + 69 = 256 , then

\frac{69}{256} × 100% ≈ 27% ( nearest whole number )

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3 years ago
What is 171.76 divided by 555? Pls show work
vekshin1
171.76 ÷ 555 = 0.3094774775
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How can you tell when a pattern shows counting on by tens
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All the number end in a zero 10 20 30 40 50 60 70 80 90
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