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2 years ago

Factor completely 8y²+6y+1

Mathematics

2 answers:

mel-nik [20]2 years ago

7 0

(2y +1)(4y + 1) is the factored form

jeka942 years ago

5 0

(4y + 1)(2y +1) this should be the answer: How to solve your problem
8

2
+
6

+
1
8
y
2
+
6
y
+
1
Grouping
1
Use the sum-product pattern
8

2
+
6

+
1
8
y
2
+
6
y
+
1
8

2
+
4

+
2

+
1
8
y
2
+
4
y
+
2
y
+
1
2
Common factor from the two pairs
8

2
+
4

+
2

+
1
8
y
2
+
4
y
+
2
y
+
1
4

(
2

+
1
)
+
2

+
1
4
y
(
2
y
+
1
)
+
2
y
+
1
3
Rewrite in factored form
4

(
2

+
1
)
+
2

+
1
4
y
(
2
y
+
1
)
+
2
y
+
1
(
4

+
1
)
(
2

+
1
)
(
4
y
+
1
)
(
2
y
+
1
)
Solution
(
4

+
1
)
(
2

+
1
)

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---------------------------------------------------------------------------------------
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3 years ago

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6 0

3 years ago

G a survey of property owners' opinions about a street-widening project was taken to determine if owners' opinions were related

Naily [24]

Answer:

The expected frequency for people against the project and who have over 120 feet of property foot frontage is 3.9.

Step-by-step explanation:

The data provided is:

Opinion

Front Footage For Undecided Against Total

Under 45 feet 12 4 4 20

45-120 feet 35 5 30 70

Over 120 feet 3 2 5 10

Total 50 11 39 100

The formula to compute the expected frequency is:

$E(X)=\frac{\text{Row Total}\times \text{Column Total}}{\text{TOTAL}}$

Compute the expected frequency for people against the project and who have over 120 feet of property foot frontage as follows:

$E(X)=\frac{\text{Row Total}\times \text{Column Total}}{\text{TOTAL}}$

$E(5)=\frac{10\times 39}{100}=\frac{39}{10}=3.9$

Thus, the expected frequency for people against the project and who have over 120 feet of property foot frontage is 3.9.

6 0

3 years ago

Factor completely 8y²+6y+1​

Factor completely 8y²+6y+1