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quester [9]
2 years ago
11

Round the number shown to the underlined place value 7.657

Mathematics
1 answer:
ladessa [460]2 years ago
8 0
The answer is A. 7.66 and B. which is also 7.66
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Can someone help me with this? its a relatively simple problem for extra credit in algebra 1.
suter [353]
(2x^2+3x+4)(x^3+4x^2+3x)(x+4)

First use the distributive property for the first two:

(2x^5+8x^4+6x^3+3x^4+12x^3+9^2+4x^3+16x^2+12x)(x+4)

And then combine like terms:

(2x^5+11x^4+22x^3+25x^2+12x)(x+4)

Continue use the distributive property:

(2x^6+11x^5+22x^4+25x^3+12x^2+8x^5+44x^4+88x^3+100x^2+48x)

Continue combine like terms:

(2x^6+19x^5+66x^4+113x^3+112x^2+48x)
And that is your final answer.

Hope that help:)
4 0
2 years ago
What are the next three numbers in the pattern: 2, -4, 6, -8, 10
kiruha [24]
-12, 14, -16.
8 0
3 years ago
Is 55 miles per hour a unit rate ?
sveticcg [70]

Answer: wait I was wrong I saw thinking about something else

yes that is a unit rate.

3 0
2 years ago
Read 2 more answers
The following graph describes function 1 and the equation below it describes function 2:
Tanya [424]
Function 1: 
f(x) = -x² + 8(x-15)f(x) = -x² <span>+ 8x - 120
Function 2:
</span>f(x) = -x² + 4x+1
Taking derivative will find the highest point of the parabola, since the slope of the parabola at its maximum is 0, and the derivative will allow us to find that.
Function 1 derivative: -2x + 8 ⇒ -2x + 8 = 0 ⇒ - 2x = -8 ⇒ x = -8/-2 = 4

Function 2 derivative:  -2x+4 ⇒ -2x + 4 = 0 ⇒ -2x = -4 ⇒ x = -4/-2 ⇒  x= 2
Function 1: f(x) = -x² <span>+ 8x - 120 ; x = 4
f(4) = -4</span>² + 8(4) - 120 = 16 + 32 - 120 = -72
<span>
Function 2: </span>f(x) = -x²<span> + 4x+1 ; x = 2
</span>f(2) = -2² + 4(2) + 1 = 4 + 8 + 1 = 13

Function 2 has the larger maximum.
8 0
3 years ago
The sets L and B are given below.
trapecia [35]

L= (-2, 2, 8) \\ B= (-2, 1, 2, 4, 8) \\ L \: n \: B \:  =  \: ( - 2, 2, 8) \\ L \: u \: B = ( - 2, 2, 1, 4, 8)

7 0
3 years ago
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