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Anni [7]
3 years ago
7

Solve by completing the square

Mathematics
2 answers:
Pavel [41]3 years ago
7 0

Answer:

Solve the equation for

s

by finding

a

,

b

, and

c

of the quadratic then applying the quadratic formula.

Exact Form:

s

=

−

1

+

√

7

,

−

1

−

√

7

Decimal Form:

s

=

1.64575131

…

,

−

3.64575131

Step-by-step explanation:

skelet666 [1.2K]3 years ago
6 0

Answer:

ez

Step-by-step explanation:

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Jon caught four fish that weighed a total of 252 pounds. The kingfish weighed twice as much as the amberjack and the white marli
Allushta [10]

Answer:

  • amberjack, 21 lbs
  • kingfish, 42 lbs
  • white marlin, 84 lbs
  • tarpon, 105 lbs

Step-by-step explanation:

Let k, a, m, t represent the weights of the kingfish, amberjack, marlin, and tarpon, respectively. The problem statement tells us ...

  • k = 2a
  • m = 2k
  • t = 5a
  • k + a + m + t = 252

Using substitution, we can rewrite the last equation as ...

... (2a) + (a) + 2(2a) + (5a) = 252

... 12a = 252 . . . . . collect terms

... a = 21 . . . . . . . . .divide by 12

Then k = 2a = 42; m = 2k = 84; t = 5a = 105.

8 0
3 years ago
Add. 1/2+(−3/5) <br><br><br> can u help me
attashe74 [19]
Exact form: -1/10

decimal form: -0.1
6 0
3 years ago
Read 2 more answers
Determine any data values that are missing from the table, assuming that the data represent a linear function.
Varvara68 [4.7K]

Answer:

c. 14

Step-by-step explanation:

Let the missing y value be y2.

If the data represent a linear function, then:

\frac{6 - 2}{2 - 1} = \frac{y_2 - 6}{4 - 2}

\frac{4}{1} = \frac{y_2 - 6}{2}

4 = \frac{y_2 - 6}{2}

Multiply both sides by 2

4 \times 2 = \frac{y_2 - 6}{2} \times 2

8 = y_2 - 6

Add 6 to both sides

8 + 6 = y_2 - 6 + 6

14 = y_2

The missing value is 14

6 0
3 years ago
If ABC is 160°, what is DBC?
Monica [59]
The answer should be A 160
5 0
3 years ago
Determine the greatest common factor of 28xy^9z and 32x^2y^7z
RSB [31]

Answer:

GCF = 4xy⁷z

Step-by-step explanation:

Do Prime Factorizations for each term and select only those terms common to each:

28xy⁹z = 2·2·7·x·y·y·y·y·y·y·y·y·y·z

32x²y⁷z = 2·2·2·2·2·x·x·y·y·y·y·y·y·y·z

GCF = 2·2·x·y·y·y·y·y·y·y·z

GCF = 4xy⁷z

5 0
2 years ago
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