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Dvinal [7]
2 years ago
15

Give step by step explanation to this question​

Mathematics
1 answer:
Keith_Richards [23]2 years ago
5 0

Answer:

0.02km per 0.00027777 hours

Step-by-step explanation:

20/1000km = 0.02 km

1/3600 = 0.00027 repeater

0.02km per 0.00027777 hours

what they are doing is converting meters per second to km per hour. To change meters to km, you divide by 1000, to change seconds to hours you divide by 3600.

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The school store sells pencils for $0.30 each, hats for $14.50 each, and binders for $3.20 each.
astraxan [27]

Answer: the answer is $29.9

Step-by-step explanation:

No, she wrong it will be less than $20

4 0
3 years ago
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Simplify 5 1/3•5 2/3
Nadusha1986 [10]

Answer:

17 7/9 or 17.7

Step-by-step explanation:

7 0
3 years ago
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What is the slope intercept form of the equation of the line 5x-6y=36
irina1246 [14]
It's an easy problems. what equations are you trying to find?
3 0
3 years ago
Which would be used to solve this equation? Check all that apply.
puteri [66]

Answer:

multiplying both-side of the equation by 3

substituting 36 for p to check the solution

Step-by-step explanation:

To solve the equation p/3 = 12, we will follow the steps below;

first multiply 3 to both-side of the equation, that is:

p/3 × 3 = 12 × 3

On the left-hand side of the equation, 3 at the numerator will cancel-out 3 at the denominator, leaving us with just p while on the right-hand side of the equation 12 will be multiplied by 3

p= 36

To check the correctness of the equation, we can substitute p = 36 back into the equation and then check, that is;

p/3 = 12

36/3 = 12

This implies p = 36 is correct

3 0
3 years ago
What is vertex of x^2+5x-3
Art [367]

\text{The vertex of}\ ax^2+bx+c:\\\\(h,\ k),\ \text{where}\ h=\dfrac{-b}{2a};\ k=f(h)=\dfrac{-(-b^2-4ac)}{4a}

\text{We have:}\\f(x)=x^2+5x-3\\\\a=1,\ b=5,\ c=-3\\\\h=\dfrac{-5}{2\cdot1}=\dfrac{-5}{2}=-2.5\\\\k=f(-2.5)=(-2.5)^2+5(-2.5)-3=6.25-12.5-3=-9.25

\text{Answer: the vertex is in}\ (-2.5;\ -9.25)

6 0
3 years ago
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