Fred has 8 dogs. 3 of the dogs are males and 5 are females. What decimal represents the amount of Fred's dogs that are males?

Mathematics

2 answers:

dlinn [17]2 years ago

7 0

Answer:

0.375

Step-by-step explanation:

Put 3/8 then divide.

Vaselesa [24]2 years ago

4 0

Answer:

0.375

Step-by-step explanation:

since 3 dogs are males it would be 3/8 since there are 3 male dogs out of all dogs there. 3 divided by 8 = 0.375

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Complete the following statements.

Ray Of Light [21]

1.
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4 1

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2.
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Answer to number 2. —- 0.5 mile.

3.
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Answer to number 3. —- 84 inches.

ANSWER:
1. 44 cups
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8 0

2 years ago

Which of the following matrices is the solution matrix for the given system of equations? x + 5y = 11 x - y = 5

givi [52]

<h2>The required solution is x = 6 and y = 11 </h2>

Step-by-step explanation:

Given system of equations are

x+5y = 11 and x-y =5

$A= \left[\begin{array}{cc}1&5\\1&-1\end{array}\right]$ $X=\left[\begin{array}{c}x\\y\end{array}\right]$

and $B= \left[\begin{array}{c}11\\5\end{array}\right]$

∴AX=B

$adj A = \left[\begin{array}{cc}{-1}&{-5}\\{-1}&1\end{array}\right]$

$A= \left|\begin{array}{cc}1&5\\1&-1\end{array}\right|=-6$

∴ $A^{-1} =\frac{adj A}{|A|}$

So, $A^{-1} =\frac{ \left[\begin{array}{cc}{-1}&{-5}\\{-1}&1\end{array}\right]}{-6}$

$A^{-1} ={ \left[\begin{array}{c \c} {{\frac{1}{6} }}&{\frac{5}{6}}\ \\ {{\frac{1}{6} }}&{\frac{-1}{6}} \end{array}\right]}$

$X =A^{-1}\times B$

⇒ $\left[\begin{array}{c}x\\y\end{array}\right] ={ \left[\begin{array}{c \c} {{\frac{1}{6} }}&{\frac{5}{6}}\ \\ {{\frac{1}{6} }}&{\frac{-1}{6}} \end{array}\right]} \times \left[\begin{array}{c}11\\5\end{array}\right]$