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nalin [4]
2 years ago
7

Find x and Find y please​

Mathematics
2 answers:
3241004551 [841]2 years ago
6 0

Answer:

x = 12

y = 20

Step-by-step explanation:

lbvjy [14]2 years ago
5 0
Find x and y
X= 12
Y= 20
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Can someone help me please ???????
Inessa [10]

Answer:

d=1

Step-by-step explanation:

Factor d^2 - 2d - 8 into (d-4)(d+2)

Move -2/d+2 onto the other side, changing it into 2/d+2.

\frac{-3d}{(d-4)(d+2)} +\frac{3}{d-4}+\frac{2}{d+2} = 0

Let the empty side equal zero.

Add 3/d-4 and 2/d+2

\frac{5d-2}{(d+2)(d-4)}

Then add that to -3d.

\frac{2d-2}{(d+2)(d+4)}

Multiply 0 by d+2 and d-4 to get 2d-2 by itself.

2d=2

d=1

I can't edit the equation, but it's d-4 althroughout the question. Sorry for being so slow.

6 0
2 years ago
The point (x, 5/2) lies on the graph of y = x - 1/2. The value of x is 3 2 -3
Iteru [2.4K]
X=3
5/2=x-1/2
5/2+1/2=x
3=x

5 0
2 years ago
Read 2 more answers
A restaurant makes pizzas with 6-inch diameters ad 12-inch diameters. Which of the following statement is true?
a_sh-v [17]

Answer:

The correct option is c: the area of the 6-inch pizza is 1/4 the area of the 12-inch pizza.

Step-by-step explanation:

The area (A) of each pizza is given by:

A = \pi r^{2}

Where:

r: is the radius

For the 12-inch pizza we have:

A_{12} = \pi (\frac{12 inch}{2})^{2} = 113.1 inch

And for the 6-inch pizza we have:

A_{6} = \pi (\frac{6 inch}{2})^{2} = 28.3 inch

The ratio between A₆ and A₁₂ is:

\frac{A_{6}}{A_{12}} = \frac{28.3 inch}{113.1 inch} = 0.25 = \frac{1}{4}

Hence:

A_{6} = \frac{A_{12}}{4}

Therefore, the correct option is c: the area of the 6-inch pizza is 1/4 the area of the 12-inch pizza.

I hope it helps you!            

4 0
3 years ago
Write an equation of the line that passes through the point (6,-2) and is perpendicular to the line 6x+y=2
Scilla [17]

Answer:

y=2x-14

Step-by-step explanation:

Gradient as m(for 1st line m1 and m2 for 2nd line)

m1/m2=-1

m1=(-1)*(-2)=2

y-(-2)/x-6=2

y+2/x-6=2

y+2=2x-12

y=2x-14

8 0
3 years ago
Show your work for the last one! I kind of need this quickly :) <3
pishuonlain [190]

Answer:

3. is 3 (m - 16)(m + 4)

7. is also 3. (2x + 5)(3x - 5)

12. is 4 (x - 6)(x - 4)

the last one is i dont know

5 0
2 years ago
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