4 years ago

If one wheel on bob model is 4 inches across how many inches is the actual wheel on the bike

Mathematics

1 answer:

Alik [6]4 years ago

8 0

Answer:

16 inches

Step-by-step explanation:

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What are the determinants for solving this linear system? 5x + 3y = 17 −8x − 3y = 9 |A| = |Ax| = |Ay| =

valentina_108 [34]

For this case we have the following system of equations:

$5x + 3y = 17\\-8x - 3y = 9$

We can Rewrite the system of equations of the form:

$Ax = b$

Where,

A: coefficient matrix

x: incognita vector

b: vector solution

We have then:

$A=\left[\begin{array}{ccc}5&3\\-8&-3\end{array}\right]$

$x=\left[\begin{array}{ccc}x\\y\end{array}\right]$

$b=\left[\begin{array}{ccc}17\\9\end{array}\right]$

Then, the determinant of matrix A is given by:

$|A|=(5)(-3)-(3)(-8)\\$

$|A|=-15+24$

$|A|=9$

Answer:

The determinants for solving this linear system are:

$|A|=9$

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3 years ago

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In a family with 2 children, excluding multiple births, what is the probability of having a boy and a girl in any order?

ioda

50% because it can either girl or boy first. I hope i helped

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3 years ago

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Please help, i need to know this answer!!

VARVARA [1.3K]

Answer:

It is d

Step-by-step explanation:

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3 years ago

I need help with this 2 please

xeze [42]

Answer:

Step-by-step explanation:

The formula for C is

C=2πr (using 3.14 as pi)

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Find the unit rate.<br> 130 feet in 6.5 seconds

madam [21]

Answer:

20 feet per second

Step-by-step explanation:

130/6.5 = 20

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