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ehidna [41]
3 years ago
8

A)0.5 B)2.5 C)-0.5 D)-2.5

Mathematics
1 answer:
7nadin3 [17]3 years ago
5 0

Answer:

B)2.5

Step-by-step explanation:

When x = 3 the actual = 6

Residual = actual - predicted = 6 - 3.5 = 2.5

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A function g(x) has x-intercepts at (1/2, 0) and (6, 0). which could be g(x)?
AlexFokin [52]
The x-intercepts of a function are used to express the function into factored form:
From (1/2, 0)
(x - 1/2)

From (6, 0)
(x-6)

(x - 1/2) (x-6) = 0
(2x -1)(x-6) = 0

The function is:
B. g(x) = (x – 6)(2x – 1)

5 0
3 years ago
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Which set of order pairs
REY [17]
The correct answer is A because the 4 in the X value repeats two time and on the other ones doesn't
8 0
2 years ago
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With a rectangle length of 309 cm.and width of 249cmdoes it have the perimeter of 1500 cm?
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7 0
3 years ago
Write the integral that gives the length of the curve y = f (x) = ∫0 to 4.5x sin t dt on the interval ​[0,π​].
Troyanec [42]

Answer:

Arc length =\int_0^{\pi} \sqrt{1+[(4.5sin(4.5x))]^2}\ dx

Arc length =9.75053

Step-by-step explanation:

The arc length of the curve is given by \int_a^b \sqrt{1+[f'(x)]^2}\ dx

Here, f(x)=\int_0^{4.5x}sin(t) \ dt interval [0, \pi]

Now, f'(x)=\frac{\mathrm{d} }{\mathrm{d} x} \int_0^{4.5x}sin(t) \ dt

f'(x)=\frac{\mathrm{d} }{\mathrm{d} x}\left ( [-cos(t)]_0^{4.5x} \right )

f'(x)=\frac{\mathrm{d} }{\mathrm{d} x}\left ( -cos(4.5x)+1 \right )

f'(x)=4.5sin(4.5x)

Now, the arc length is \int_0^{\pi} \sqrt{1+[f'(x)]^2}\ dx

\int_0^{\pi} \sqrt{1+[(4.5sin(4.5x))]^2}\ dx

After solving, Arc length =9.75053

5 0
3 years ago
Mr.Carter owned a ranch with 7 1/4 acres. Last year ,he bought 3 1/5 acres of land from his neighbor. Then he sold 2 1/4 acres.
almond37 [142]

Answer:

B - 8 1/5 acres

Step-by-step explanation:

1. Subtract 7 1/4 - 2 1/14 (what he sold) = 5 acres

2. Add 5 + 3 1/5 (what he bought)  = 8 1/5 acres

4 0
2 years ago
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