4 years ago

Solve the equation without the use of a calculator. please Help!!! Thank you!!! 5=x^2-4x

1 answer:

8 0

For this question the answer is x= 5, -1

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ehidna [41]

$\frac{9}{41}$

Step-by-step explanation:

The ratio cosine tell us that

In a right angled triangle, the cosine of an angle is the side adjacent to the angle divided by the hypotenuse of the triangle.

In other words,

$\cos(x) = \frac{adj}{hyp}$

The side adjacent to angle a is 9. The hypotenuse is 41.

$\cos(a) = \frac{9}{41}$

6 0

3 years ago

snow_lady [41]

-46

Hope this helps!

May I please have brainliest? :D

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3 years ago

garri49 [273]

Answer:

sorry I don't know the answer

Step-by-step explanation:

i will get some points that's why sorry

7 0

3 years ago

postnew [5]

Let's split it into rectange and tringle
BC= 2.1+ sqrt(3.2^2 - 1.9^2) = 4.67

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3 years ago

natima [27]

Can you show picture of sentences

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3 years ago