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soldier1979 [14.2K]
3 years ago
14

X^2+26x+c find the value of c that makes each trinomial a perfect square

Mathematics
1 answer:
alekssr [168]3 years ago
3 0

Answer:

c = 169

Step-by-step explanation:

We can use FOIL to determine this after factoring out the equation.

(x+13)(x+13)

F: (x*x)

O: (x*13)

I: (13*x)

L: (13*13)

x^2 + 26x + 169

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The Social Security Administration increased the taxable wage base from $106,800 to $110,100. The 6.2% tax rate is unchanged. Jo
Rzqust [24]

Answer:

The Social Security Administration increased the taxable wage base from $106,800 to $110,100.

A:

The percent increase in the base =

\frac{110100-106800}{106800}\times100=3.09%

B:

Previous year tax = 0.062\times106800=6621.60 dollars

This year tax = 0.062\times110100=6826.20 dollars

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5 0
2 years ago
Find all missing angles<br> I need help please
aksik [14]

Answer:

1) 34º

2) 52º

3) 56º

4) 94º

Step-by-step explanation:

let 3 be x

let 1 be y

let 2 be z

let 4 be j

180=86+38+x              56=x

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4 0
2 years ago
A certain type of bacteria doubles in population every 6 hours. There were approximately 100 bacteria at the beginning of the da
Zepler [3.9K]

Answer:

1600 after 24 hours

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5 0
2 years ago
In a group of 42 students, 9 study both Art and Biology.
LUCKY_DIMON [66]
Answer:
The probability the student studies Art and
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Step-by-step explanation:
Denote the events as follows:
A = a students studies Art
B= a students studies Biology
The information provided is:
N = 42
n (An B) = 9
n (A' n B) = 10
n (A' n B') =7
Then the number of students who study Art
but not Biology is:
n(An B') = N -n (An B) -n (A' nB) - n (A'n B')
= 42 - 10 - 7 - 9
= 16
The number of students who study Art but
not Biology is 16.
Compute the probability the student studies
Art and Biology as follows:
P(ANB)
n(ANB)
= 0.2143
Thus, the probability the student studies Art
and Biology is 0.2143.
3 0
2 years ago
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