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4 years ago

Whats is a unit rate

2 answers:

6 0

Unit rate is used to compare quantities in which the second quantity is one. Common examples of unit rate would include, miles per hour earnings per hour cost per gallon.

maria [59]4 years ago

4 0

Answer:

A unit rate is a comparison of a number to one indifferent unit. It is written as a fraction.

YOU Divide to simplify and always include units

Step-by-step explanation:

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For the function f(x) = -x^3 + 2x^2 + x - 2

kaheart [24]

Answer:

Step-by-step explanation:

$f(1)=-1^3+2*1^2+1-2=-1+2+1-2=0\\\\$

Rationnel roots are divisor of -2: -1,1,-2,2

$f(-1)=-(-1)^3+2*(-1)^2+(-1)-2=1+2-1-2=0\\\\\begin{array}{c|cccc}&x^3&x^2&x&1\\---&---&---&---&---\\&-1&2&1&-2\\x=1&&-1&1&2\\&-1&1&2&0\\\\x=-1&&1&-2\\&-1&2&0\\---&---&---&---&---\\\end {array}\\\\\\f(x)=-x^3+2x^2+x-2=(x-1)(x+1)(-x+2)\\\\$

c) see picture

4 0

3 years ago

Help me please. I really neeed it

PSYCHO15rus [73]

Answer: You need to put the same shape as it shows there on the top.

Step-by-step explanation: I hope this helped you.

5 0

2 years ago

Joey rode his bike 20 miles at a speed of 8 mph. How long did it take him?

Vlad1618 [11]

B) 2.5 hours , because 8 mph is 1 hour and the another 8mph is 1 hour 8+8mph =16mph 1+1hr=2hr half of 8 is 4mph is .5hr so therefore 8+8+4=20mph 1+1+ 30mins= 2.5hr

6 0

4 years ago

Read 2 more answers

Find the roots of the polynomial equation x^3-5x^2+7x-35=0 must show work

Yuri [45]

Answer:

toooooooooooooooo hard

Step-by-step explanation:

so so sorry

7 0

3 years ago

Please I need help!!!

egoroff_w [7]

Answer:

Equation is P=4s

Step-by-step explanation:

There is a pattern here:

8 is 4 times as much as 2

12 is 4 times as much as 3

20 is 4 times as much as 5

40 is 4 times as much as 10

Since P varies directly with s, we can make an equation: P=4s where k=4 in the form of y=kx

8 0

4 years ago