Processing math: 100%
Cecilia's Random Thoughts
Monday, August 31, 2015
Problem:
Solution:
1
17
(
−
48
−
42
√
2
+
7
√
3
+
4
√
6
)
graph the piecewise
Problem:
Solution:
Quadratic
Problem:
Solution.
k
=
−
4
f
(
2
)
=
2
Fractions
Problem
As far as I can read, the problem is
3
5
x
−
2
=
1
3
.
Solution.
x
=
50
9
Saving
Problem:
Solution:
165 + 15w
Solve!
Problem:
Solution:
x
=
0
or
x
=
6
Solve this!
Problem:
Solution:
x
=
8
5
.
Mental Math
20
3x - 11 = 22
Answer: x = 11
Multiple Choice
Problem:
Solution
:
1
11
−
x
2 x 5 x 100
Answer: 1,000
36^(3/2)
Problem
Solution:
216
Solve equation again
Problem:
4x - 5 = (-3/2)x + 12
Solution:
x
=
34
11
Solve equation
Problem:
Solution:
d
=
−
4
11
3
x
2
+
5
x
+
2
=
0
Problem:
3
x
2
+
5
x
+
2
=
0
Solution:
x
=
−
1
or
x
=
−
2
3
Fraction subtraction
Problem
2
3
−
3
5
Solution:
1
15
Hyperbola
Problem:
Solution:
The curve is a hyperbola, this is a special case of this one where a and b are both 1
Divide!
Problem:
Solution:
13, with remainder 3
2
x
+
1
x
2
−
8
x
+
16
+
3
x
+
3
2
x
2
−
32
+
12
4
−
x
=
0
Problem:
2
x
+
1
x
2
−
8
x
+
16
+
3
x
+
3
2
x
2
−
32
+
12
4
−
x
=
0
Solution:
x
=
5
or
x
=
−
76
17
Temperature
Problem:
the temperature at noon was 20 degrees feirenheight. the temperature fell 2 degrees every hour until 3 a.m. the next day. What was the temperature at 11 p.m that evening
Solution:
-2
It is an negative integer
Protein
Problem:
Solution:
80 grams
Triangle
Problem
I am only given this diagram
Solution:
The area of the triangle is 99.
PN =
√
445
Perimeter =
29
+
√
445
.
what is the value of x
Problem:
53
=
4
x
−
8
Solution:
x
=
15
1
4
-10 + z - 1 = 7z - 5
Problem:
-10 + z - 1 = 7z - 5
Solution:
z = -1
Find
n
where
10
3
=
10
×
10
n
Problem:
Find
n
where
10
3
=
10
×
10
n
Solution:
n
=
2
−
12
=
8
+
f
2
Problem:
−
12
=
8
+
f
2
Solution:
f
=
−
40
√
100
÷
√
25
+
3
2
⋅
2
−
14
Problem:
√
100
÷
√
25
+
3
2
⋅
2
−
14
Solution:
6
3
1
5
×
−
2
2
3
Problem:
3
1
5
×
−
2
2
3
Solution:
−
8
8
15
4 x 4 x 4
Problem:
4 x 4 x 4
Solution:
64
More arith
Problem
I read it as (10/(1/5))
Solution:
50
Arithmetic again
Problem
As I read, it is 2(-5) = ?
Solution
2
×
(
−
5
)
=
−
10
Arithmetic
Problem:
8 - 5(2) - 1
Solution:
-3
Sequence
Problem:
6, -12, 24, -48
Solution:
The name term is 96, every term is -2 times the previous one.
Division
Problem:
Solution:
16 with remainder 456
Loss
Problem:
Solution:
$425
Average
Problem:
Solution:
Total gas = 12
Total #car = 12
Average = 1 gallon
a + 3 = 10
a = 7
5t + 2 = 7
Problem:
5t + 2 = 7
Solution:
t = 1
Graph problem
Problem:
Solution:
y = 3/2 x + 1/2
When x = 13, y = 20
Problem:
I read it as
What is the interest earned on $500 invested for 7 years is an account that earn simple interest at a rate of 4% per year?
Solution:
500 x 7 x 0.04 = $140
5
3
8
Problem:
5
3
8
Solution:
It can be written as improper fraction
43
8
or in decimal 5.375
Find x
Problem:
Solution:
x = 31
o
Dilation
Problem
Solution:
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