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katovenus [111]
3 years ago
10

To pass this year’s math class, Miriam needs to earn at least an 82%. Write an inequality that shows the scores Miriam could get

to pass her math class.
Mathematics
2 answers:
denpristay [2]3 years ago
5 0

Answer:

y \geq 82%

Step-by-step explanation:

Since she could get 82 percent and still pass her class, that means that the inequality would also have a line at the bottom which means "including." So this would read as "y is 82 percent and higher."

Gala2k [10]3 years ago
3 0

Answer:

2

She has to believe in herself so she would ace that test

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Carla wants to start a college fund for her daughter Lila. She puts $63,000 into an account that grows at a rate of 2.55% per ye
Oksanka [162]

Answer:

Step-by-step explanation:

We would apply the formula for determining compound interest which is expressed as

A = P(1+r/n)^nt

Where

A = total amount in the account at the end of t years

r represents the interest rate.

n represents the periodic interval at which it was compounded.

P represents the principal or initial amount deposited

From the information given,

P = 63000

r = 2.55% = 2.55/100 = 0.0255

n = 12 because it was compounded 12 times in a year.

Therefore, function, C(t), that represents the amount of money in the account t years after the account is opened is

C(t) = 63000(1 + 0.0255/12)^12t

C(t) = 63000(1.002125)^12t

For C(t) = 100000,

100000 = 63000(1.002125)^12t

100000/63000 = (1.002125)^12t

1.587 = 1.002125)^12t

Taking log of both sides

Log 1.587 = log 1.002125)^12t

Log 1.587 = 12tlog 1.002125)^

0.2005 = 12t × 0.00092

0.2005 = t × 0.01104

t = 0.2005/0.01104

t = 18.16 years

5 0
3 years ago
In 2003 there were 1078 JC Penney stores and in 2007 there were 1067 stores.
Tamiku [17]

Answer:

a) f(s)=\frac{-11}{3}s+\frac{3245}{3} f(1)=1078 stores b) 2012, 1049 stores. 2014, 1041 stores. c) Yes it is a downsizing company.

Step-by-step explanation:

a)

s=year | f(s) = number of stores per year

1 | 1078

4| 1067

m=\frac{1067-1078}{4-1}\Rightarrow m=\frac{-11}{3}\\1078=-\frac{11}{3}*1+b\Rightarrow b=\frac{3245}{3}\\f(s)=\frac{-11}{3}s+\frac{3245}{3}

s=1 in 2003

s=1 year =2003\\ Testing\\f(1)=\frac{-11}{3}(1)+\frac{3245}{3}=\frac{3234}{3}=1078\\ f(1)=1078

b) For 2012, s=9. For 2014, s=11

\\f(s)=\frac{-11}{3}s+\frac{3245}{3}\\ \\f(9)=\frac{-11}{3}(9)+\frac{3245}{3}\cong1049\\\\f(11)=\frac{-11}{3}(11)+\frac{3245}{3}\cong=1041

c) In deed. Since the function shows a decreasing amount of JC Penney stores. Maybe this is a downsizing from this company, progressively closing some stores.

4 0
3 years ago
Which graph best represents the solution to this system of inequalities?
Agata [3.3K]

Answer:

D

Step-by-step explanation:

D is the only graph where the shaded region is on 6 and less.

6 0
2 years ago
Find the reciprocal of each number. Do not simplify. 5/4
posledela
Google it.... <em> </em>I just did and there is a video.
7 0
3 years ago
In April, the water level in a mountain reservoir increased 0.6 m as the snow began to melt. In May, the water level increased a
Svetach [21]

Step-by-step explanation:

x+0.6+0.3-0.2=14.2

x+0.7=14.2

x=14.2-0.7

x=13.5

8 0
2 years ago
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