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expeople1 [14]
3 years ago
5

Item: Circle D has a radius of 16 inches and right central angle, _EDF. Find the exact length of EF.

Mathematics
1 answer:
marysya [2.9K]3 years ago
4 0
Formula:
C= 2 r π
Step 1: plug the given radius into the formula
C= 2(16) π
Step 2: multiply them and you should get
C= 32 π

Step 3: then you will want to divide the circumference by 4

360/90 =4
32 π /4 = 8 π

Answer: 8 π inches
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6 − x = −12<br><br> A) -18<br><br> B) -6<br><br> C) 0<br><br> D) 18
Leya [2.2K]

Answer: D) 18

Step-by-step explanation:

6 - x = -12

Subtract 6 from both sides.

-x = -18

Divide by -1 on both sides so as to isolate x.

x = 18

6 0
3 years ago
Read 2 more answers
The function f(t) = −5t 2 + 20t + 60 models the approximate height of an object
Natalija [7]
F(t) = -5t^2 + 20t + 60
-5(t^2 - 4t - 12)
-5(t + 2) (t - 6)
t = -2 or t = 6

6 seconds
5 0
3 years ago
Read 2 more answers
Answers please?? Thank you!
Free_Kalibri [48]
A= 1,3
B= 5,5
C= 6,1
Here you go
8 0
3 years ago
Ryan has deposited $100 into a retirement account at the end of every month for 50 years. The interest rate on the account is 1.
Andre45 [30]

Answer:

future payment is $77056.92

total interest is paid after 45 year is  $23056.42

Step-by-step explanation:

Given data

payment (P) = $100

No of installment (n) = 12

rate of interest ( r ) = 1.5 %  i.e. = 0.015

time period (t) = 45 years

to find out

future payment and interest after 45 year

solution

we know future payment formula i.e. given below

future payment = payment × (1+\frac{r}{n})^{nt} - 1) / (r/n)

now put all these value in equation

future payment = $ 100  × (1+\frac{0.015}{12})^{12*45} - 1) / (0.015/12)  

future payment = $ 77056.92

payment paid in 45 year @ $100 total money is paid is 45 × 12 × $100 i.e. = $54000

total interest = future payment  - money paid

total interest = $77056.42 - $54000

total interest = $23056.42

4 0
3 years ago
PLEASE HELP! I have been working on this IXL for over 30 minutes and I keep getting the questions wrong. I am not good at graphi
ollegr [7]
The equations are in slope intercept form which is

y = mx+b

m is the slope of the equation. slope is rise/ run meaning that if a slope is 2, you can also say 2/1. this means you go up 2 squares and to the right 1 point. if the slope is negative, it looks like a downhill and the line falls left to right. if the slope is positive, it looks like uphill and the line falls right to left.

the x is what the slope is multiplied by but isn’t significant in graphing because it’s always just x

the b represents the y intercept. the y axis is the vertical line on the graph. for example if b = 7, then the line goes through 7 on the graph and basically tells us that (0,7) is a point on the line.

for y= x + 7, the slope is 1. that equation is just saying y= 1x+7 but the one is unnecessary usually because it’s implied that the x means 1x

i attached a picture of the graphed lines

4 0
3 years ago
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