Solve the following system of equations graphically on the set of axes below. y=x+8 y=−2x−1

1 answer:

6 0

This makes sense because every point on the gold line is a solution to the equation
y
=
1
2
x
+
3
y=
2
1

x+3start color #e07d10, y, equals, start fraction, 1, divided by, 2, end fraction, x, plus, 3, end color #e07d10, and every point on the green line is a solution to
y
=
x
+
1
y=x+1start color #0d923f, y, equals, x, plus, 1, end color. So, the only point that's a solution to both equations is the point of intersection

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Consider the error in using the approximation e−x≈1−x on the interval [−1,1]. (a) reasoning informally, on what interval is this

crimeas [40]

$e^{-x} \approx 1 - x$

is a classic approximation, true for small x.

The next term in the polynomial expansion will be $+kx^2$ where k is a positive number. So our estimate 1-x is definitely an underestimate on both sides of x=0.

Since for negative xs the exponential rises exponentially and the line only linearly, the exponential exceeds the line for all negative x. For positive x, the line quickly goes negative while the exponential is always positive.

So, there's no interval for which our approximation is an overestimate.

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513 is 114% of what number<br>

Liono4ka [1.6K]

Answer:

450

Step-by-step explanation:

513÷114=4.5 then move decimal 2 places to the right

513÷450= 1.14 then move decimal 2 places to the right

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2 years ago