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dybincka [34]
3 years ago
11

Solve for j. please help meee

Mathematics
2 answers:
IgorC [24]3 years ago
8 0

Answer:

I believe the answer is 112 degrees

Step-by-step explanation:

If you know, a straight line hs 180 degrees. Well, then having this knowledge,  make a simple equation x+68=180.

Then Solve the equation

x+68=180

  -68  -68

x=112

Hope it helps!

Pepsi [2]3 years ago
7 0

Answer:

112 degrees

Step-by-step explanation:

Angle J and the other angle combines to form a straight angle. In other words, they must total 180 degrees. Thus:

68+j=180

Subtract 68 from both sides:

j=112\textdegree

And we're done!

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Mia and her 3 friends had £2468 between them. If her 3 friends all got 37% each of that the money. How much would be left for Mi
Ivan

Answer:

Mia had $1554.84

Step-by-step explanation:

100% = $2468

1% = $ 24.68

100 - 37 = 63%

63 % = 63 × $24.68

= $1554.84

6 0
3 years ago
The equation (x-6)^2/16 + (y+7)^2/4 = 1 represents an ellipse. What are the vertices of the ellipse?
topjm [15]

Answer:

The correct option is C.

Step-by-step explanation:

The given equation is

\frac{(x-6)^2}{16}+\frac{(y+7)^2}{4}= 1

It can be rewritten as

\frac{(x-6)^2}{4^2}+\frac{(y+7)^2}{2^2}= 1         .....(1)

The standard form of an ellipse is

\frac{(x-h)^2}{a^2}+\frac{(y-k)^2}{b^2}= 1           ....(2)

Where (h,k) is center of the ellipse.

If a>b, then the vertices of the ellipse are (h\pm a, k).

From (1) and (2) we get

h=6,k=-7,a=4,b=2

Since a>b, therefore the vertices of the ellipse are

(h+a, k)=(6+4,-7)\Rightarrow (10,-7)

(h-a, k)=(6-4,-7)\Rightarrow (2,-7)

The vertices of the given ellipse are (10, –7) and (2, –7). Therefore the correct option is C.

5 0
3 years ago
Read 2 more answers
What value of n makes the equation true? -2n + 1.8 =3.2
stich3 [128]

Answer:

-0.7

Step-by-step explanation:

-2n+1.8=3.2

-2n=3.2-1.8

-2n=1.4

n=1.4/-2

n=-0.7

4 0
3 years ago
Help&amp;EXPLAIN <br> =============
Serhud [2]

Answer:

circumference=7.85

πd=7.85

d=7.85/π=2.49=2.5ft.

3 0
2 years ago
What's the slope and y-intercept of the equation 3x + 4y = 8?
Anna71 [15]

Answer:

Slope = -3/4

y-intercept = 2

Step-by-step explanation:

3x+4y = 8\\\therefore 4y = -3x +8\\\therefore y = \frac{-3}{4}x+ \frac{8}{4}\\\therefore y = \frac{-3}{4}x+2\\Equating \: it \: with\: \\y=mx+b\\Slope\:(m) = \frac{-3}{4}\\y-intercept\:(b) = 2

6 0
3 years ago
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