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faust18 [17]
3 years ago
15

Please help! Twenty points.

Mathematics
2 answers:
aleksandrvk [35]3 years ago
5 0
C but i need 20 characters so......
rjkz [21]3 years ago
3 0
Spefify your help please
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In AXYZ, X = 260 inches, y = 580 inches and ZZ=8°. Find the area of AXYZ, to the
satela [25.4K]

Answer:

10494

Step-by-step explanation:

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3 years ago
In a recent year 33.2% of all registered doctors are female. If there were 56,400 female register doctors that year, what was th
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4 0
3 years ago
Find the HCF and LCM of 4x^2 - 36 ,2x^2 - 12x + 18 and 2x^2 + x - 21​
olga_2 [115]

Answer:

(x-3), 4 (x - 3)^2 (x + 3) (2 x + 7)

Step-by-step explanation:

Factor all the expressions,

1st expression= 4x^2 - 36=4(x^2-9)=4(x+3)(x-3)

2nd expression=2x^2 - 12x + 18 =2(x^2-6x+9)=2 (x - 3)^2=2(x-3)(x-3)

3rd expression=2x^2 + x - 21​=(x - 3) (2 x + 7)

HCF=Commo factor=(x-3)

LCF=Common factor*Remaining factor=4(x+3)(x-3)(x-3) (2 x + 7)=4 (x - 3)^2 (x + 3) (2 x + 7)

4 0
3 years ago
An object accelerates from rest at 10m/s2 for 20s. Calculate the velocity reached. ​
Nata [24]

Answer:

400 m/s

Step-by-step explanation:

u=0 m/s

t=20 s

a=20 m/s²

v=u+at

=0+20×20

=400 m/s

7 0
3 years ago
Find the average rate of change of k(x)=5x–19 over the interval [<br> -<br> 14,<br> -<br> 4].
rusak2 [61]
The rate of change of a function can be modeled with the following expression:

\frac{\Delta{k{x)}}{\Delta{x}}

Where Δx is the change in x value, and Δk(x) is the corresponding change in k(x). We're given the two extremes of x, so we can calculate the change in x to be

\Delta{x}=-4-(-14)=10

To find the change in k(x), we can calculate the values of k(x) at x = -14 and x = -4 and find the difference between them:

k(-14)=5(-14)-19=-70-19=-89\\ k(-4)=5(-4)-19=-20-19=-39\\ \Delta{y}=k(-14)-k(-4)=-89-(-39)=-50

So, the rate of change for the function from x = -14 to x = -4 is

\frac{\Delta{y}}{\Delta{x}}= \frac{-50}{10}=-5
7 0
3 years ago
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