3 years ago

What are the solutions to f (x) = x2 + 5x – 24

Mathematics

1 answer:

maxonik [38]3 years ago

6 0

Answer: d/dx (f(x)) = 2x + 5
Ok done. Thank to me :>

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Find all solutions to the equation. <br> cos^2 x +2cosx+1=0

Schach [20]

$x= \pi$

Step-by-step explanation:

$\cos^2x+\cos x+1=0$

Let $u= \cos x$

Then $u^2+2u+1=(u+1)^2=0$

$\cos x = -1$

This gives us $x= \pi$ or all integer multiples of $\pi (n \pi)$

4 0

3 years ago

Express 429 as a product of its prime factors

lawyer [7]

Answer:

The answer is 429 = 3×11×13.

Step-by-step explanation:

You have to divide by prime number :

429 ÷ 3 = 143

143 ÷ 11 = 13

13 ÷ 13 = 1

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3 years ago

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Natalka [10]

Answer: Rounded: 350 miles/inch

Exactly 352 miles per inch.

Step-by-step explanation: Divide the miles by the inches to find miles per inch.

880/2.5 = 352.

It would make sense to round that to say the scale is 350 miles per inch.

One inch represents 350 miles

3 0

3 years ago

I am a 3-digit number with 7 in the tens place. My hundreds digit is

Vsevolod [243]

Answer:

170

270

271

371

372

370

470

471

473

472

574

573

572

571

570

675

674

673

672

671

670

776

775

774

773

772

771

770

877

876

875

874

873

872

871

870

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977

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Step-by-step explanation:

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3 years ago

Subtract 5x - 2 from -3x +4

Solnce55 [7]

Answer:

8x+2

Step-by-step explanation:

Or -8x+2 but i think its 8x+2

4 0

3 years ago