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zmey [24]
3 years ago
10

The grades on a geometry midterm at Springer are roughly symmetric with = 68 and o = 2.0.

Mathematics
1 answer:
snow_lady [41]3 years ago
8 0

Answer:

Z = 0.5

please follow up q q uagh

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-2x(6x^4 -7x^2 +x-5 in standard form pls
LuckyWell [14K]

Answer:

-12x^5 + 14x^3 -2x^2 + 10x

Step-by-step explanation:

-2x(6x^4 -7x^2 +x-5) =

-12x^5 + 14x^3 -2x^2 + 10x

8 0
3 years ago
Find the interest rate needed for the sinking fund to reach the required amount. Assume that the compounding period is the same
Maslowich

Answer:

so rate is 4.72 %

Step-by-step explanation:

Given data

time (t) = 5 year  = 5×4 = 20 quarterly

amount = $27456

principal = $1225

to find out

interest rate (r)

solution

we use here amount formula that is

amount = principal ((1+r)^{t} -1 ) / r      .....................1

put all value principal , amount and time in equation 1 and we get rate

rate is r/4 because it is quarterly payment

amount = principal ((1+r/4)^{t} -1 ) / r/4

27456 = 1225 ((1+r/4)^{20} -1 ) / r/4

((1+r/4)^{20} -1 ) / r/4  = 27456/ 1225

((1+r)^{20} -1 ) / r  = 27456/ (1225 × 4)

((1+r)^{20} -1 ) = r 27456/ (1225 × 4)

now by the tvm solver and amount  $27456

graph value

we get r = 0.0472

so rate is 4.72 %

5 0
3 years ago
Read 2 more answers
-5(9 - 6k) with k = -3
Jobisdone [24]

Answer:

-135

Step-by-step explanation:

-5(9 - 6k)

Let k = -3

-5 ( 9 - 6*-3)

-5 ( 9 + 18)

-5 ( 27)

3 0
3 years ago
App.nearpod.com<br> X +6= 14<br> 2.
djverab [1.8K]
X=8 I’m not that to sure but hope i helped!
4 0
3 years ago
Sue has baked 3 different types of circular cake, all measuring 8 inches across. There are equal numbers of coffee cakes and lem
GarryVolchara [31]
1) suppose for purposes of calculation that the cake is inscribed in a square of 8 by 8
the area of 1 cake=8*8=64 in²
the rectangular table area=576 in²-----> I assume square table 24 in x 24 in
576/64= 9----------- > Sue has baked 9 cakes
if just 1 carrot cake
then
(9-1)=8 ---------->  coffee cakes and lemon cakes
we know that equal numbers of coffee cakes and lemon cakes
therefore
coffee cakes=8/2=4
lemon cakes=4
carrot cake=1

the answer part 1) is
the dimensions of the table are 24 in x 24 in

the answer part 2) is
Sue has baked 9 cakes
coffee cakes=4
lemon cakes=4
carrot cake=1

part 3) distribution of the cakes in the table 24  in x 24 in

answer

let
Z------->carrot cake
C------->coffee cakes
L------->lemon cakes

Z-C-L    or      C-L-C             
C-L-C             Z-C-L
L-C-L              C-L-C
   

4 0
3 years ago
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