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garik1379 [7]
3 years ago
8

If 55 percent of a group of people have brown hair and 80 percent of the same group do not have red hair, what fraction of those

who do not have brown hair have red hair?
Mathematics
2 answers:
Irina-Kira [14]3 years ago
8 0
The fraction would be 4/9
tekilochka [14]3 years ago
3 0

See https://web2.0calc.com/questions/i-don-t-get-it_7.

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A function is given: f (x) = 2x + 3<br> What is the value of f(-2)?
Nadusha1986 [10]

Answer:

f(-2) = -1

Step-by-step explanation:

-2 is x, so replace x as -2 into the equation

f (-2) = 2(-2) + 3

f (-2) = -4 + 3

f (-2) = -1

5 0
3 years ago
Proportional fraction to 1/4
Pavel [41]
A proportional fraction to 1/4

1 * 1 1
- = -
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Also known as 1/16
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ohaa [14]
That would be 60 and 15
5 0
3 years ago
Read 2 more answers
Please help me. math.
KiRa [710]

Answer:

y =293(1.06) ^x

y = 370  after 4 years

Step-by-step explanation:

If we are using the model for growth

y = a ( 1+b)^x

a is the initial population

b is  the increase rate

We can substitute the values into the equation

y =293 (1+.06) ^ x

y =293(1.06) ^x


Let x equal 4 for the 4 years

y = 293(1.06)^4

y=369.9



3 0
3 years ago
Kylie starts with $145 in her piggy bank. Each month she adds $20.
djverab [1.8K]

Kylie's first month collection, a1= $ 145

Second month collection , a2= $145+ 20

Third month collection, a3  = $145 +2*20

.

.

.

.

so for n months collection = an-1+20

We get an= 20 + an-1  and a1=145


4 0
3 years ago
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