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1 year ago

Find the x-intercept and the y-intercept of the line below. Click on "None" if applicable.

Mathematics

1 answer:

Andrej [43]1 year ago

3 0

Answer:

a) None

b) (0, -2)

Step-by-step explanation:

The x-intercept is the point at which the line cuts through the x-axis, while the y-intercept in the point at which the line cuts through the y-axis.

a) The line does not cut through the x-axis, thus it has no x-intercept.

b) The line cuts through the y-axis at y= -2, making its y-intercept (0, -2).

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Approximate the area between the xxx-axis and h(x) = \dfrac{1}{7-x}h(x)= 7−x 1 h, (, x, ), equals, start fraction, 1, divided

tiny-mole [99]

Answer:

$\dfrac{47}{60}$ sq. units.

Step-by-step explanation:

The given function is

$h(x)=\dfrac{1}{7-x}$

We need to find the area between x-axis and the given function from x=2 to x=5.

Left Riemann sum formula of area:

$Area=\sum_{n=0}^{N-1}f(x_n)(\Delta x_n)$

For given question,

$Area=\sum_{n=2}^{5-1}f(x_n)(\Delta x_n)$

$Area=\sum_{n=2}^{4}f(x_n)(\Delta x_n)$

$Area=f(x_2)(3-2)+f(x_3)(4-3)+f(x_4)(5-4)$

Now,

$Area=\dfrac{1}{7-2}\times (1)+\dfrac{1}{7-3}\times (1)+\dfrac{1}{7-4}\times (1)$

$Area=\dfrac{1}{5}+\dfrac{1}{4}+\dfrac{1}{3}$

$Area=\dfrac{12+15+20}{60}$

$Area=\dfrac{47}{60}$

Therefore, the required area is $\dfrac{47}{60}$ sq. units.

5 0

2 years ago

What is the factor expression of -20a-divided by 12b

s2008m [1.1K]

-20a divided by 12b would be -1.6

7 0

2 years ago

WILL MARK AS BRAINLIEST I NEED HELP ASAPPP

sattari [20]

Answer:

8.9 in.

Step-by-step explanation:

Area of triangle = (1/2) b. h

40 = (1/2) x*x

80 = x^2

square root (80) = x

x=> 8.944.... inch

Rounding off you get 8.9 in.

7 0

2 years ago

-1 + 1.9x = -6.4 + 9.2x

natka813 [3]

Answer:

0.74

Step-by-step explanation:

We can isolate x, getting 9.2x - 1.9x = -1 + 6.4

We can then simplify, getting 7.3x = 5.4, which we can solve by dividing both sides by 7.3:

x = 5.4 / 7.3 = 0.74

8 0

3 years ago

Read 2 more answers

A Air Freshener Used 3 3/4 milliliters perfume wanted to make 3 air freshners how many milliliters of perfume woud she use

larisa [96]

1 and a fourth because 3 3/4 devided by three equals 1 1/4

5 0

3 years ago