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Alex_Xolod [135]
2 years ago
8

Help please I forgot my notesNeed answers asap- it's due in a few hours​

Mathematics
1 answer:
ahrayia [7]2 years ago
4 0

I'm not to sure if I know the other ones but number 12th Is 6

Step-by-step explanation:

Since the two lines intersect at point Q(x,y) the x & y values of both lines must be equal at point Q. so 3x+14=7x-10. Solving for x yields x = 6.

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6 0
3 years ago
What is AB?<br> a. 6cm<br> b. 9cm<br> c. 4cm<br> d. 2.2cm
Fed [463]

Answer:

AB = 4 cm

Step-by-step explanation:

The tangent and secant are drawn from an external point to the circle.

Then the square of the measure of the tangent is equal to the product of the external part of the secant and the entire secant.

let AB = x, then

x(x + 5) = 6²

x² + 5x = 36 ( subtract 36 from both sides )

x² + 5x - 36 = 0 ← in standard form

(x + 9)(x - 4) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 9 = 0 ⇒ x = - 9

x - 4 = 0 ⇒ x = 4

However x > 0 ⇒ x = 4 ⇒ b = 4 CM

7 0
3 years ago
Enter the correct answer in the box.
expeople1 [14]

Answer:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

2, -1

Step-by-step explanation:

3 0
2 years ago
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A number x plus 10 is more than 2
makvit [3.9K]
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4 0
3 years ago
WILL GIVE BRAINLIEST HELP. IMAGE THERE
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Answer:

First slope=0

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Step-by-step explanation:

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