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grin007 [14]
2 years ago
12

Salary raises at USC will average

Mathematics
1 answer:
sladkih [1.3K]2 years ago
5 0

Answer: A

Step-by-step explanation:

A and C both look right, but 'between 2.5% and 6%' usually includes the two parameters that is mentioned unless said otherwise.

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The height of a ball thrown directly up with a velocity of 10 feet per second from a initial height of of 100 feet is given by t
Nutka1998 [239]
The ball will hit the ground when h(t)=0 so:

-16t^2+10t+100=0

Using the quadratic equation:

t=(-10±√6500)/-32, and since t>0

t≈2.8 seconds (to nearest tenth of a second)


5 0
3 years ago
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What is the unit rate of 40 meters in 16 seconds?
soldi70 [24.7K]
40 meters in 60 seconds could be expressed as

\frac{40 meters}{16 seconds}

So, in order to get the unit rate, we divide the numerator and denominator by 16.

\frac{40}{16} \\  \frac{40/16}{16/16} \\  \frac{2.5}{1} \\  \frac{2.5 meters}{1 second}

So, the unit rate is 2.5 meters per second (or every one second)
5 0
3 years ago
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Can y’all help me find the slope
vitfil [10]

Answer:

Step-by-step explanation:

#3 slope is the change in y divided by the change in x

So -10-(-8)/13-15 = -2/-2=1

for #5 the slope is always the coefficient of x when written in slope intercept form so the slope is 3

#7 the gradient is infinite

3 0
3 years ago
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A man invested $10,000 in the bank. if the account pays 5% pa interest compounded monthly, how long would take for the man to ac
sesenic [268]

Answer:

<u>3.63 years</u>

Step-by-step explanation:

The formula would be of compound growth, which is:

F=P(1+\frac{r}{n})^{nt}

Where

F is future amount (with interest)

P is initial deposit

r is rate of interest in a year

n is number of compounding in 1 year

t is the time in years

Given in this problem:

To accumulate 2000 interest means the future amount will be:

10000+2000 = 12,000

Present amount is 10,000

r is the annual interest, which is 5% or 0.05

compounded monthly means, 12 times a year, so n = 12

t is time in years, which we need to find

Substituting, we have:

F=P(1+\frac{r}{n})^{nt}\\12000=10000(1+\frac{0.05}{12})^{12t}\\1.2=(1.0042)^{12t}\\Ln(1.2)=Ln((1.0042)^{12t})\\Ln(1.2)=12t*Ln(1.0042)\\12t=\frac{Ln(1.2)}{Ln(1.0042)}\\12t=43.50099\\t=3.63

The time it will take is around <u>3.63 years</u>

8 0
3 years ago
Does anyone understand and can help me asap?
nydimaria [60]

Answer:

see below

Step-by-step explanation:

Circumference of circle = 2πr =dπ

Area of circle =πr²

1) Circle1 d =4 in, r =2 in

Circumference of circle1 =4π in

Area of circle1 = 2²π =4π in²

2) Circle2: d =3 in, r =1.5 in

Circumference of circle2 =3π in

Area of circle2 = 1.5²π =2.25π in²

3)  Circle3:  r =1 in, d =2 in

Circumference of circle3 =2π in

Area of circle3 = 1²π =π in²

4) Circle4:  r =2 1/2 in = 2.5 in, d =5 in

Circumference of circle4 =5π in

Area of circle4 = 2.5²π = 6.25π in²

5) 2/3 of the Area of circle1 = (2/3)*4π in²= (8/3)π in²

6) 1/2  of the Area of circle2 = (1/2)*2.25π in² = (1/2)*(9/4)π in² = (9/8)π in²

7) 1/4  of the Area of circle3 = (1/4)π in²

8) 1/3  of the Area of circle4 = (1/3)* 6.25π in² =(1/3)*(25/4)π in² = (25/12)π in²

6 0
3 years ago
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