2 years ago

Plzzzz helpppp2222. steppss

Mathematics

2 answers:

Ostrovityanka [42]2 years ago

8 0

Answer:

I think its a two step

Step-by-step explanation:

welp try your best good luck

Sauron [17]2 years ago

5 0

Theyre parallel

hope this helps!:)

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-x-6=3 How do u do this

Hatshy [7]

Answer:

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What is the diameter, circumference, and area of a circle that has the radius of 7?

user100 [1]

Answer:

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Step-by-step explanation:

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9a.
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Find the solutions of the quadratic equation -9c² +2 +3 = 0.

Tresset [83]

Given that,

An equation : -9c² +2c +3 = 0

To find,

Find the value of x.

Solution,

We have, -9c² +2c +3 = 0

We can solve it using the formula as follows :

$x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}$

Here, a = -9, b = 2 and c =3

Put the values,

$c=\dfrac{-2\pm \sqrt{(2)^2-4(-9)(3)}}{2(-9)}\\\\c=\dfrac{-2+\sqrt{(2)^{2}-4(-9)(3)}}{2(-9)}, \dfrac{-2-\sqrt{(2)^{2}-4(-9)(3)}}{2(-9)}\\\\c=-0.47, 0.69$

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2 years ago

If m<7 is 2x + 30 and m<28 is 3x - 10, find the following:

topjm [15]

Answer:

x = 32

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m∠8 = 86

m∠3 = 94

Step-by-step explanation:

(2x + 30) + (3x - 10) = 180

5x + 20 = 180

5x = 160

x = 32

m∠7 = 2(32) + 30 = 94

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or

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m∠3 ≈ m∠7 (corresponding angles)

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