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iris [78.8K]
3 years ago
7

Heyyyyyyy again, can you please help me?

Mathematics
1 answer:
Alisiya [41]3 years ago
5 0
The shirt costs 11 dollars (with discount) the shoes cost 22.50 the necklace with discount cost 2 dollars the sweater is 5%
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Find the exponential function that satisfies the given conditions: Initial value = 64, decreasing at a rate of 0.5% per week
mrs_skeptik [129]

Answer:

Step-by-step explanation:

An exponential function is of the form

y=ab^x

where a is the initial value and b is the growth/decay rate.  Our initial value is 64.  That's easy to plug in.  It goes in for a.  So the first choice is out.  Considering b now...

If the rate is decreasing at .5% per week, this means it still retains a rate of

100% - .5% = 99.5%

which is .995 in decimal form.

b is a rate of decay when it is greater than 0 but less than 1; b is a growth rate when it is greater than 1.   .995 is less than 1 so it is a rate of decay.  The exponential function is, in terms of t,

f(t) = 64(.995)^t

4 0
3 years ago
Please help A.S.A.P it's due tomorrow morning?<br><br> what is y = 2x + 5 and f(x) = 2x + 5
amid [387]

Answer:

they are equal

Step-by-step explanation:

f(x) means the same thing as y.

3 0
3 years ago
Read 2 more answers
IM just a little bit slow
viva [34]

Answer:

71°

Step-by-step explanation:

31-3x+19x-5=90

16x=90-26

16x=64

x=4

m<R=19x-5 = 19(4)-5 = 76-5 = 71

5 0
3 years ago
Read 2 more answers
***Please Help***
Neporo4naja [7]
D'(-3,-4)
E'(-3,-10)
F'(3,-6)
4 0
3 years ago
Translate the expression: “the difference between twice a number and 23”
kherson [118]

Answer:

23- 2x

Step-by-step explanation:

Twice a number is 2 and "x" represents "a number"

Key words: Twice, Difference (subtraction)

7 0
2 years ago
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