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3 years ago

8

Given the following diagram, is ∠1 a supplement of ∠COF?

1 answer:

Dimas [21]3 years ago

7 0

Answer:

yes

Step-by-step explanation:

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The 6 term of a G.P is -2\27 and it's first term is 18.what is the common ratio

Airida [17]

Answer:

r = - $\frac{1}{3}$

Step-by-step explanation:

The n th term of a GP is

$a_{n}$ = a₁ $r^{n-1}$

where a₁ is the first term and r the common ratio

Here a₁ = 18 and a₆ = - $\frac{2}{27}$ , then

18 $r^{5}$ = - $\frac{2}{27}$ ( divide both sides by 18 )

$r^{5}$ = - $\frac{1}{243}$ ( take the fifth root of both sides )

r = $\sqrt[5]{-\frac{1}{243} }$ = - $\frac{1}{3}$

4 0

3 years ago

Which of the following expressions is equal to 1?

Vikki [24]

I think it's d okay maybe

8 0

3 years ago

Given two points M & N on the coordinate plane, find the slope of MN , and state the slope of the line perpendicular to MN .

telo118 [61]

Answer:

Problem 1) $m = \dfrac{1}{4}$ $slope_{perpendicular} = -4$

Problem 2) $m = \dfrac{1}{3}$ $slope_{perpendicular} = -3$

Step-by-step explanation:

$slope = m = \dfrac{y_2 - y_1}{x_2 - x_1}$

$slope_{perpendicular} = \dfrac{-1}{m}$

Problem 1) M(9,6), N(1,4)

$slope = m = \dfrac{6 - 4}{9 - 1} = \dfrac{2}{8} = \dfrac{1}{4}$

$slope_{perpendicular} = \dfrac{-1}{\frac{1}{4}} = -4$

Problem 2) M(-2,2), N(4,-4)

$slope = m = \dfrac{4 - 2}{4 - (-2)} = \dfrac{2}{6} = \dfrac{1}{3}$

$slope_{perpendicular} = \dfrac{-1}{\frac{1}{3}} = -3$

4 0

3 years ago

40 POINTS!!!!<br><br> What is the value x?<br><br> 15<br><br> 25<br><br> 30<br><br> 35

harina [27]

Answer:

35

Step-by-step explanation:

If the two lines are parallel and has other line intersect ; the angle will be equal so the answer is 35.

7 0

3 years ago

Elsie bought a video game for $85.00. If the store charges 170% of it's cost for the game, how much is the store's profit?

stira [4]

Answer:

The stores profit is $59.50

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers