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PIT_PIT [208]
4 years ago
13

Please Help I will mark brainliest !!!

Mathematics
1 answer:
arsen [322]4 years ago
6 0

Answer:

No

Step-by-step explanation:

If the lines are perpendicular then they will be the negative reciprocals of each other.

Calculate the slope using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = P(- 8, - 10) and (x₂, y₂ ) = Q(- 5, - 12)

m_{PQ} = \frac{-12+10}{-5+8} = - \frac{2}{3}

Repeat the process with

(x₁, y₁ ) = R(9, - 6) and (x₂, y₂ ) = S(17, - 5)

m_{RS} = \frac{-5+6}{17-9} = \frac{1}{8}

The slopes are not the negative reciprocal of each other, thus they are not perpendicular.

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The Soup Shack usually makes tomato soup with 999 tomatoes for every 121212 bowls of soup. Today, they made 888 bowls of soup wi
marin [14]

Answer:

Same quanitity.

Step-by-step explanation:

The Soup Shack usually makes tomato soup with 9 tomatoes for every 12 bowls of soup.

Today, they made 8 bowls of soup with 6 tomatoes.

We need to compare today's soup to the usual recipe.

For 9 tomatoes for every 12 bowls of soup = \dfrac{9}{12}=\dfrac{3}{4}

For 8 bowls of soup with 6 tomatoes = \dfrac{6}{8}=\dfrac{3}{4}

It means we can see that both the soup has the same quantity. Hence, this is the required solution.

4 0
3 years ago
The snow is now 52 inches deep. If this was a 77% decrease, what was the initial depth? What equation can help you find this?
IrinaVladis [17]

Answer:

The required equation is:

0.23x = 52

Hence, option A is true.

Step-by-step explanation:

Given

Let 'x' be the initial depth

The snow is now 52 inches deep and it is a 77% decrease.

Let the initial 'x' depth be represented as 100%.

x → 100%

Given the current 52 inches is a 77% decrease. So, we need to decrease the 77/100 or 0.77 from the initial depth, so

[100% - 77%] of x = 52

[100/100 - 77/100] × x = 52

[1 - 0.77] × x = 52

0.23x = 52

Therefore, the required equation is:

0.23x = 52

Hence, option A is true.

7 0
3 years ago
A line has a slope of 1/4 and passes through .0.41 -1/2 what is the value of the Y intercept
MrMuchimi

Answer:

-1/2

Step-by-step explanation:

the y intercept is where the line crosses the y axis. The problem states that it passes through (.41, -1/2) which means the y intercept is -1/2. I'm not sure if the - is a dash or negative sign but either way you now know what the y intercept is.

5 0
3 years ago
This is geometry. Please help. Will mark brainliest.
nevsk [136]

Answer:Not Here

Step-by-step explanation:.dd

7 0
3 years ago
You deposit $400 into an account that pays 2% annual interest compounded quarterly.
jeka57 [31]
A.

A = 400 (1 + (0.02)/4)^4t    where t = number of years and A = amount after t years
simplifying that becomes

A = 400 (1.005)^4t

b  amount after 5 years is

400 (1.005)^(4*5)  = 400 (1.005)^20 =  $ 441.96
4 0
3 years ago
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