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3 years ago

What are two different numbers that round to 9.2 when rounded to the nearest tenth

Mathematics

1 answer:

cluponka [151]3 years ago

6 0

9.15
9.16
9.17
9.18
9.19
and any number between those numbers such as 9.187492

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Can someone help me? what’s 4+12x=5x-10 ??

laila [671]

X would be equivalent to -2 so x=-2

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3 years ago

Which is an equation of the line that passes through the points 1,3 and -1,1

kherson [118]

Answer:

Step-by-step explanation:

The points are (1, 3) and (-1, 1)

y2 = 1, y1 = 3, x2 = -1 and x1 = 1

Slope m = (y2 - y1)/(x2 - x1)

m = (1 - 3)/(-1 - 1)

m = -2/-2

m = 1

The question is

y - y1 = m(x - x1)

y - 3 = 1(x - 1)

y - 3 = x - 1

y = x - 1 + 3

y = x + 2

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3 years ago

How do you find the value of c that satisfy the equation:

victus00 [196]

Answer:

The value of c = -0.5∈ (-1,0)

Step-by-step explanation:

Step(i):-

Given function f(x) = 4x² +4x -3 on the interval [-1 ,0]

Mean Value theorem

Let 'f' be continuous on [a ,b] and differentiable on (a ,b). The there exists a Point 'c' in (a ,b) such that

$f^{l} (c) = \frac{f(b) -f(a)}{b-a}$

Step(ii):-

Given f(x) = 4x² +4x -3 …(i)

Differentiating equation (i) with respective to 'x'

f¹(x) = 4(2x) +4(1) = 8x+4

Step(iii):-

By using mean value theorem

$f^{l} (c) = \frac{f(0) -f(-1)}{0-(-1)}$

$8c+4 = \frac{-3-(4(-1)^2+4(-1)-3)}{0-(-1)}$

8c+4 = -3-(-3)

8c+4 = 0

8c = -4

$c = \frac{-4}{8} = \frac{-1}{2} = -0.5$

c ∈ (-1,0)

Conclusion:-

The value of c = -0.5∈ (-1,0)

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3 years ago

If you graph both sides of an identity, what will the graph look like

zloy xaker [14]

The graphs are identical and intersect at infinitely many points

Example of an identity:

x+2=x+2.

same expression on both sides. Reducing it will give 0=0 " identity"

-------------------------------------
Example of an equation

x+2=0

Reducing it will give you a solution x=-2.

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Vaselesa [24]

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3 years ago