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3 years ago

Y = 1/2(x+4) compare to y = (x-1)^2-3 on graph

2 answers:

8 0

The first one is going to be greater because the second one will come out to have a negative exponent which will be a fraction under 1

notsponge [240]3 years ago

6 0

The first one will also have a negative exponent. In fact, the first one will be smaller because 1/(2x+8) is smaller than
1/(x-1)

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Find the area of a sector with a central angle of 120° and a diameter of 7.3 cm. Round to the nearest tenth.

Andru [333]

Answer: $14cm^{2}$

Step-by-step explanation:

diameter=7.3cm

radius= $\frac{diameter}{2}$

= $\frac{7.3}{2}$

=3.65cm

angle =120°

area= $\frac{angle (tita)}{360}$ × $\frac{\pi r^{2} }{1}$

= $\frac{120}{360}$ × $\frac{22}{7}$ × $3.65^{2}$

= $13.95cm^{2}$

≅ $14cm^{2}$

6 0

4 years ago

Determine the slope of the line that has the following coordinates: (5, 9)(11, - 3)

AlladinOne [14]

Answer:

$x_1 = 5, x_2 =11, y_1 =9, y_2 = -3$

The slope can be founded with this formula:

$m =\frac{y_2 -y_1}{x_2 -x_1}$

And replacing we got:

$m =\frac{-3 -9}{11-5}= -2$

And the best answer for this case would be :

$m=-2$

Step-by-step explanation:

For this case we have the following two points given:

$x_1 = 5, x_2 =11, y_1 =9, y_2 = -3$

The slope can be founded with this formula:

$m =\frac{y_2 -y_1}{x_2 -x_1}$

And replacing we got:

$m =\frac{-3 -9}{11-5}= -2$

And the best answer for this case would be :

$m=-2$

7 0

4 years ago

Please help me! i'm stuck on it

den301095 [7]

Answer:

x = 15.4

Step-by-step explanation:

Because this is a right triangle, you can use the pythagorean theorem to find the length of the hypotenuse. the theorem is a^2 + b^2 = c^2

9^2 + 12.5^2 = c^2

solving this will give you 15.4

8 0

3 years ago

Multiple 1.229 by 15 and round to the nearest cent

podryga [215]

When you multipy 1.229 x 15 your answer is 18.435. Rounding to the nearest cent will only include 2 numbers after the decimal. Looking at 18.435, the last number, 5 will round your answer to 18.44

7 0

4 years ago

Solve for x. A. 37 B. 27 C. 30 D. 31

dexar [7]

Answer:

Step-by-step explanation:

The formula for finding the relationship between a secant and a tangent is

tangent length ^2 = external segment secant/full length of secant

In this case

60^2 = 48*(x + 48) Expand

3600 = 48*(x + 48) Remove the brackets/

3600 = 48x + 48^2 Expand

3600 = 48x + 2304 Subtract 2304 from both sides

3600 - 2304 = 48x

1296 = 48x Divide both sides by 48

1296 / 48 = x

x = 27

8 0

3 years ago