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3 years ago

Pablo is going for a walk. He takes 5 hours to walk 12.5 miles. What is his speed?

Mathematics

2 answers:

taurus [48]3 years ago

6 0

So just multiply 5 and 12.5 5x5=25 5x2=10 1x5= 5 so it’s 625 6.25

Vera_Pavlovna [14]3 years ago

4 0

poablo's speed would be 2.5

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3 years ago

Solve the following quadratic equations by any method. The solutions are:

Nataly_w [17]

Answer:

Option C .

Step-by-step explanation:

We would like to solve the below quadratic equation ,

$\longrightarrow f(x) = x^2-12x +32$

Step 1 : Equate f(x) with 0 :-

$\longrightarrow f(x) = 0\\$

$\longrightarrow x^2-12x + 32=0$

Step 2 : Factorise the RHS :-

$\longrightarrow x^2-8x - 4x +32=0\\$

$\longrightarrow x(x-8)-4(x-8)=0\\$

$\longrightarrow (x-8)(x-4)=0\\$

Step 3 : Equate each factor with 0 :-

$\longrightarrow x - 8 = 0\\ \qquad x -4=0$

$\longrightarrow x = 8 \qquad x = 4$

$\longrightarrow \underline{\underline{\boldsymbol{ x = 8,4}}}$

Hence option C is correct .

8 0

2 years ago

Which expresses 216:270 in its simplest form

NeX [460]

216:270 = 4:5

divide top and bottom by 54
hope it helps

5 0

3 years ago

Read 2 more answers

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zavuch27 [327]

You need to add 5d with 5d then add the d to it for it to get the length and the width

7 0

3 years ago

Compare the strengths and weaknesses of the horizontal and vertical methods for adding and subtracting polynomials. Include comm

Pavlova-9 [17]

Answer:

Overall vertical is visually better, if done correctly

it forces you to "line up" all the common exponents.

The disadvantage is that it usually requires re-writing the problem, and it takes up space.

most problems are presented horizontally, that becomes the issue to locate the common exponents.

in both cases the biggest issue is people forget

that when subtracting "subtracting a negative is like adding a positive"

-5x - (-8x) = 3x [that is a positive 3x]

or:

-7x

- - 10x

-------------

everyone misses those eventually so you have to watch out for that in both methods

Step-by-step explanation:

5 0

3 years ago