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____ [38]
3 years ago
7

Factor f(x) = 6x^4 - 9x^3 - 57x^2 - 18x +24

Mathematics
1 answer:
Kryger [21]3 years ago
7 0
3(x+1)(2x-1)(x-4)(x+2)
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How do I find the period of y = -2 cos 0.5x
nevsk [136]
Use the form (bx-c)+ d to find the amplitude , period shift, phase, and vertical shift.
amplitude:2 
period:12.56637061
phase shift : 0(0to the right ) 
vertical shift:0 
hope it helps!
please give me brainlest if its right .
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4 0
3 years ago
Half an hour after leaving her house Beverly was 20 miles from home. At this point she merged onto the highway and was traveling
N76 [4]

Answer:

1. 45.71 miles

2. 10 miles

3. 89.43 miles

4. 0.79 hr

5. 0.025 hr

Step-by-step explanation:

speed = distance/time

After 4 hrs Beverly was 200 miles from home , however she had spent 0.5hr travelling for 20 miles prior to getting to the highway.

Therefore;

Constant speed before Highway = 20/0.5 = 40 miles/hr

Constant speed at Highway = \frac{(200-20)}{(4-0.5)} = 51.43 miles/hr

1. in 1 hr beverly will have travelled;

⇒ (20 miles in 0.5 hr ) + (0.5 hr  at speed 51.43 miles/hr)

⇒ 20 + (0.5 x 51.43) = 45.71 miles

2. In 0.25 hr beverly had not reached the highway

⇒ distance = speed x time

⇒ distance = 40 x 0.25 = 10 miles

3. in 1.85 hrs beverly will have travvelld;

⇒ (20 miles in 0.5 hr ) + (1.35 hr at speed 51.43 miles/hr)

⇒ 20 + 69.43 = 89.43 miles

4. Time taken to get to 35 miles

⇒ (20 miles in 0.5 hr ) + (15 miles  at speed 51.43 miles/hr)

⇒ 0.5hr + (15/51.43) hr = 0.79 hr

5. Time taken to travel 1 mile

 ⇒ time = distance / speed = 1 mile  / 40 miles/hr

⇒ time = 0.025 hr

8 0
3 years ago
What is?<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%7D%7By%7D%20%20%2B%20x" id="TexFormula1" title=" \frac{x}{y} + x"
Fiesta28 [93]

Answer:

\frac{x+xy}{y}

Step-by-step explanation:

Given

\frac{x}{y} + x

Multiply x by \frac{y}{y} to create a common denominator

= \frac{x}{y} + x × \frac{y}{y}

= \frac{x}{y} + \frac{xy}{y}

= \frac{x+xy}{y}

7 0
3 years ago
Please help me!!! The directions are at the top!! I will give brainliest!!
Pavel [41]

Answer:

The relationship is that if you divide say, 88÷4=22 the relationship is that all of them divided would equal 22.

Hope this helped.

3 0
2 years ago
Read 2 more answers
IS THIS A FUNCTIONS OF NOT <br> I NEED HELP
Brilliant_brown [7]
1, 3, 5 are functions because they pass the vertical line test
4 0
2 years ago
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