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Math Problems
Grade 6
Divide whole numbers - 3-digit divisors
Express the trig ratios as fractions in simplest terms.
\newline
Answer
\newline
cos
L
=
\cos L=
cos
L
=
\newline
□
\square
□
\newline
sin
K
=
\sin K=
sin
K
=
\newline
□
\square
□
\newline
cos
L
and
sin
K
\cos L \text { and } \sin K
cos
L
and
sin
K
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Consider this matrix:
\newline
[
−
5
7
−
1
2
]
\left[\begin{array}{cc} -5 & 7 \\ -1 & 2 \end{array}\right]
[
−
5
−
1
7
2
]
\newline
Find the inverse of the matrix.
\newline
Give exact values. Non-integers can be given as decimals or as simplified fractions.
\newline
□
\square
□
\newline
□
\square
□
\newline
□
\square
□
\newline
□
\square
□
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Luke and Matthew ran a lemonade stand on Saturday. They agreed that Matthew would get
60
%
60\%
60%
of the profit because the lemonade stand was his idea. They made a profit of
$
25
\$25
$25
. How much, in dollars, did Matthew make?
\newline
◻
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f
(
x
)
=
{
x
2
−
4
當
x
>
1
2
x
−
5
當
x
≤
1
f(x)=\left\{\begin{array}{ll}x^{2}-4 & \text { 當 } x>1 \\ 2 x-5 & \text { 當 } x \leq 1\end{array}\right.
f
(
x
)
=
{
x
2
−
4
2
x
−
5
當
x
>
1
當
x
≤
1
, 求此函數在
x
=
3
x=3
x
=
3
之切線方程式
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