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lesantik [10]
3 years ago
6

Kelsey correctly used the Fermi process and the following estimates to determine how many books would fill a railroad car.

Mathematics
2 answers:
rjkz [21]3 years ago
6 0
Book = 1x12x15=180ft.
<span>car    = 60x10x10= 6000ft.</span>
laila [671]3 years ago
5 0

Answer:

6 x 10^4

Step-by-step explanation:

took the quiz

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Plssss help i need to have this problem done by today or else my dad will be mad at me.
antoniya [11.8K]

Answer:

x is 24° it is bcs triangle have at all 180°

that bigger one have 180-94-41=45° on right side

180-111-45=24° ez

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Levi's car used 8 gallons of gas to drive 280 miles. At what rate does his car use gas in gallons per mile? Express your answer
Svetach [21]

Answer:

35 miles

Step-by-step explanation:

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3 years ago
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WILL MARK BRAINLIEST!! The coordinates of the vertices of quadrilateral JKLM are J(-3,2), K(4,-1), L(2,-5) and M(-5,-2). Find th
irinina [24]
Answer:
JKLM is a parallelogram
Explanation:
The slope m of a line through two points (x1,y1) and (x2,y2)is given by the formula:
m=Δy/Δx=y2-y1/x2-x1
So the slopes of the sides of our quadrilateral are:
mJK=(−1)−24−(−3)=−37
mKL=(−5)−(−1)2−4=2
mLM=(−2)−(−5)−5−2=−37
mMJ=2−(−2)(−3)−(−5)=2
So JK is parallel to LM and KL is parallel to MJ
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5 0
3 years ago
Multiply the polynomials (5x^2+4x-4)(4x^3-2x+6)<br> Explain your steps!!
Lapatulllka [165]
So distribute using distributive property
a(b+c)=ab+ac so

split it up
(5x^2+4x-4)(4x^3-2x+6)=(5x^2)(4x^3-2x+6)+(4x)(4x^3-2x+6)+(-4)(4x^3-2x+6)=[(5x^2)(4x^3)+(5x^2)(-2x)+(5x^2)(6)]+[(4x)(4x^3)+(4x)(-2x)+(4x)(6)]+[(-4)(4x^3)+(-4)(-2x)+(-4)(6)]=(20x^5)+(-10x^3)+(30x^2)+(16x^4)+(-8x^2)+(24x)+(-16x^3)+(8x)+(-24)
group like terms
[20x^5]+[16x^4]+[-10x^3-16x^3]+[30x^2-8x^2]+[24x+8x]+[-24]=20x^5+16x^4-26x^3+22x^2+32x-24

the asnwer is 20x^5+16x^4-26x^3+22x^2+32x-24




4 0
3 years ago
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