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Ostrovityanka [42]
2 years ago
12

HELPPPPP ASAP!!!! I’m on a limit

Mathematics
2 answers:
nadezda [96]2 years ago
3 0

Answer:

<h2>look at the photo.........</h2>

nirvana33 [79]2 years ago
3 0

Step-by-step explanation:

A) 55°

(The exterior angle is equal to the sum of interior opposite angles)

Hope it's helpful to you

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What is 9.39 to one decimal place
mafiozo [28]
9.4 because the number after the firs decimal point is higher than 5
5 0
3 years ago
Three consecutive vertices of a parallelogram are (– 2, 1); (1, 0) and (4, 3). Find the coordinate of the fourth vertex and find
antiseptic1488 [7]

Answer:

D(1,4) - the fourth vertex, the area is equal to 12

Step-by-step explanation:

A(2,-1), B(1,0),C(4,3), They are consecutive, we need to find the point D, find the midpoint of AC (O)

xo= (xA+xc)/2    x0= (-2+4)/2=1

y0=(yA+yC)/2    y0= (1+3)/2=2

0(1,2)

O is the midpoint of BD, so let's find the vertex D

X0= (xB+xD)/2     1= (1+xD)/2   xD=1

y0= (yB+yD)/2      2= (0+yD)/2    yD=4

D(1,4)

the vector DA is (-2-1, 1-4)= (-3,-3)

the vector DC is (4-1, 3-4)= (3,-1)

The modul of DC is sqrt ((-3)^2+(-3)^2)= 3*sqrt2(the length of the side Dc)

The modul of DA is sqrt (3^2+(-1)^2)= sqrt10(the length of the side DA)

cosD= (-3*3+(-3)(-1))/3*sqrt2*sqrt10=-6/3*2*sqrt5=-1/sqrt5

sinD= sqrt (1- 1/5)=2/ sqrt5

S=3sqrt2*sqrt10*2/sqrt5= 12

6 0
2 years ago
The function y = x * ln(x + e) has two distinct x intercepts. One is at x = a and the other is at x = b. The value of a + b is
Snezhnost [94]
As points, x-intercepts take the form (x,0), so to find the intercepts we can set y=0 and solve for x.

x\ln(x+e)=0\implies\begin{cases}x=0\\\ln(x+e)=0\end{cases}

From the first equation alone, we already know that x=0 is a solution, which means one intercept is (0,0).

The second equation gives

\ln(x+e)=0\implies e^{\ln(x+e)}=e^0\implies x+e=1\implies x=1-e

so that the second intercept occurs at (1-e,0).

So if a=0 and b=1-e, we have a+b=1-e, giving C as the answer.
3 0
3 years ago
Figure B is a scale image of Figure A, as shown.
galina1969 [7]

Answer:

heyjsjsbsjwskozkdndjsisjwjsks

3 0
3 years ago
A board measures 2½m by 1¼m and costs 750 naira. calculate the cost of 1m² of the board. ​
maw [93]

Answer:

240naira

Step-by-step explanation:

The board measures 2½m by 1¼m

The area of the board is;

2½× 1¼ = 5/2 × 5/4 = 25/8 m²;

But 25/8 m² cost 750 naira;

Therefore 1m² cost 750 / 25/8

750 × 8/25 =

30 × 8

240naira

3 0
3 years ago
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