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STatiana [176]
2 years ago
10

Find the equation of tangent and normal to the circle 2x² + 2y² -7x +4y - 3= 0 at (3/2, 3)

Mathematics
1 answer:
mr_godi [17]2 years ago
8 0

Answer:

2(3/2)^2+2(3)^2+4(3)-3=0

Step-by-step explanation:

3(4)^2+4(2)=0

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Identify proportional relationships
enot [183]

9514 1404 393

Answer:

  No

Step-by-step explanation:

The initial balance at the beginning of the year is not zero, so the balance is not proportional to the time since the beginning of the year.

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A proportional relationship always starts at zero when the independent variable is zero.

6 0
3 years ago
A bricklayer charges $8 per square foot to lay a patio.How much would it cost for the bricklayer to lay a 12-foot-x 16-foot pati
IrinaVladis [17]

Area of patio = 12 x 16

                      = 192 square feet

Cost = 192 x 8

        = $1536

5 0
3 years ago
A reporter collected. Data on y, the current market value in dollars of a cetian car for various years x ,after it had been purc
Nastasia [14]
How much value the car depreciates each year.
4 0
3 years ago
The set of ordered pairs below represents a function.
ArbitrLikvidat [17]

Given:

The set of ordered pairs below represents a function.

{(–9, 1), (–5, 2), (0, 7), (1, 3), (6, –10)}

Josiah claims that the ordered pair (6, –10) can be replaced with any ordered pair and the set will still represent a function.

To find:

All the ordered pairs that could be used to show that this claim is incorrect.

Solution:

We need to find the ordered pairs that can be replaced with (6,-10) and for which the set is not a function.

A relation is called function if there exist a unique output for each input.

If (-9,-6) is replaces with (6,-10), then the set has two outputs y=1 and y=-6 for x=-9. So, the claim is incorrect.

If (1,12) is replaces with (6,-10), then the set has two outputs y=12 and y=3 for x=1. So, the claim is incorrect.

If (-10,-10) is replaces with (6,-10), then there exist unique output for each input. So, the claim is correct.

If (4,7) is replaces with (6,-10), then there exist unique output for each input. So, the claim is correct.

If (-5,1) is replaces with (6,-10), then the set has two outputs y=1 and y=2 for x=-5. So, the claim is incorrect.

Therefore, the correct options are (a), (b) and (e).

8 0
3 years ago
Work out the length of x
Naddik [55]

Answer:

0.0707 cm

Step-by-step explanation:

We can solve this using pythgaoras theorem:

a² + a² = c² (We can use the same letter, a, because the lengths are the same length; a² + a² = 2a²)

2a² = 0.1² (simplify the right side; 0.1 × 0.1 = 0.01)

2a² = 0.01 (0.01 ÷ 2 = 0.005)

a² = 0.005 (square root both sides)

a = 0.070710... ≈ 0.0707 cm

Hope this helps!

7 0
2 years ago
Read 2 more answers
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