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3 years ago

PLEASE HELP TRAMSERRAN you dont have to show work!

Mathematics

2 answers:

Harlamova29_29 [7]3 years ago

8 0

Answer:

1. Slope: -0.75x or -3/4x

Y-intercept: 7

Equation: -0.75x+7 or -3/4x-7

Remember -0.75 and -3/4 are the same!

2. Equation: 0.5x-3 or 1/2x-3

I used slope intercept form to solve. (y2-y1 over x2-x1) If you need more help comment below or send me a link!

Inga [223]3 years ago

7 0

Answer: (1) -3/4 (2) 7 (3) y = (-3/4)x + 7 (4) 1/2

<u>Step-by-step explanation:</u>

1) COUNT the number of spaces from one point to the other point.

from (0, 7) to (4, 4) is: down 3 and right 4 → m = -3/4

2) the y-intercept is where the line crosses the y-axis (when x = 0).

The line crosses the y-axis at (0, 7) → b = 7

3) Slope-Intercept form is y = mx + b

m = -3/4 and b = 7 → y = (-3/4)x + 7

4) COUNT the number of spaces from one point to the other point.

from (-2, -4) to (2, -2) is: up 2 and right 4 → m = 2/4 = 1/2 when simplified

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If cot theta = -2, find the value of cot theta + cot (theta -pi) + cot (theta-2pi)

nika2105 [10]

Given:

$\cot \theta = -2$

To find:

The value of $\cot \theta +\cot (\theta -\pi)+\cot(\theta -2\pi)$ .

Solution:

We know that,

$\cot (\theta -n\pi)=\cot \theta$ ...(i)

Where n is an integer.

We have,

$\cot \theta +\cot (\theta -\pi)+\cot(\theta -2\pi)$

Using (i), it can be written as

$\cot \theta +\cot (\theta -\pi)+\cot(\theta -2\pi)=\cot \theta +\cot \theta +\cot \theta$

$\cot \theta +\cot (\theta -\pi)+\cot(\theta -2\pi)=3\cot \theta$

It is given that $\cot \theta = -2$ .

$\cot \theta +\cot (\theta -\pi)+\cot(\theta -2\pi)=3(-2)$

$\cot \theta +\cot (\theta -\pi)+\cot(\theta -2\pi)=-6$

Therefore, the value of the given function expression is $-6$ .

6 0

3 years ago

Help me on my math homework first and correct one gets brain.lyest :)

stira [4]

The answer is the third choice they both equal -16/77. Hope this helps:)

7 0

3 years ago

Read 2 more answers

A building is 3 ft from a 9-fence that surrounds the property. A worker wants to wash a window in the building 14 ft from the gr

kvv77 [185]

The height of the fence is irrelevant. The bottom of the ladder is 3+8 = 11 feet from the building. The window is 14ft above the ground:
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6 0

3 years ago

ASAP!!! help its emergent

Bezzdna [24]

Answer:

Step-by-step explanation:

F(x)=(5 t^2+t )x to x+3

=5((x+3)^2-x^2)+(x+3-x)

=5(x^2+6x+9-x^2)+3

=5 (6x+9)+3

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3 0

3 years ago

(1 point) In 7 years Harry and Sally would like to have $14000 for a down payment on a house. How much should they deposit each

den301095 [7]

Answer:

$110.37

Step-by-step explanation:

Assuming the monthly payment is made at the beginning of the month, the formula for the monthly payment P that gives future value A will be ...

... A = P(1+r/12)((1+r/12)^(nt) -1)/(r/12) . . . . n=compoundings/year, t=years

... 14000 = P(1+.11/12)((1+.11/12)^(12·7) -1)/(.11/12)

... 14000 = P(12.11)((1+.11/12)^84 -1)/0.11 ≈ P·126.84714 . . . . fill in the given values

... P = 14000/126.84714 = 110.37 . . . . . divide by the coefficient of P

They should deposit $110.37 at the beginning of each month.

6 0

3 years ago