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Makovka662 [10]
3 years ago
10

I need help on number 8

Mathematics
1 answer:
Alexxandr [17]3 years ago
3 0

Answer:

D I believe

Step-by-step explanation:


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Luba_88 [7]

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I think the equation is 7l +5=60

Step-by-step explanation:


7 0
3 years ago
What is the domain of y = -x – 4+9
cupoosta [38]

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x

Step-by-step explanation:

5 0
2 years ago
The equations -6x + 3y = 6 and x² + y = 10 intersect at the
eimsori [14]

The values of the letters in coordinates (a, b) and (c,d) are;

<u><em>a = -4</em></u>

<u><em>b = -6</em></u>

<u><em>c = 2</em></u>

<u><em>d = 6</em></u>

<u><em /></u>

We are given two equations;

-6x + 3y = 6  ---(eq 1)

x² + y = 10 ---(eq 2)

  • We are told that they intersect at coordinates; (a, b) and (c, d).

Let us make y the subject in eq 2 to get;

y = 10 - x²  --(eq 3)

  • Let us put 10 - x² into eq 1 to get;

-6x + 3(10 - x²) = 6

expanding further gives;

-6x + 30 - 3x² = 6

rearranging gives;

3x² + 6x - 24 = 0

Using online quadratic equation <em>solver</em>, we have;

x = -4 and x = 2

Putting x = -4 into eq 3 gives;

y = 10 - (-4)²

y = 10 - 16

y = -6

Putting x = 2 into eq 3 gives;

y = 10 - (2)²

y = 10 - 4

y = 6

  • Thus, the coordinates are; (-4, -6) and (2, 6)

Comparing with (a, b) and (c,d), we have;

a = -4

b = -6

c = 2

d = 6

Read more at; brainly.com/question/15165519

5 0
2 years ago
Solve.
Alecsey [184]

Answer:

B

Step-by-step explanation:

Square root of 100 is 10

7 0
3 years ago
Read 2 more answers
How would I graph this?
vladimir2022 [97]
The difference between the two equations is the + 3. This means the vertex of the parabola will move 3 units to the left at the point (-3, 0)
7 0
3 years ago
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