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3 years ago

I really need help with this one it's due today!!

Mathematics

1 answer:

baherus [9]3 years ago

4 0

Answer:

-2/3

3/2

Step-by-step explanation:

So to have a line parallel the equation is: m1 = m2, meaning the slope (represented by m in this equation) is equal. So in the equation. 3y = - 2x + 4 you need to simplify the equation by dividing both sides by 3. Which would be like so: y = - 2/3x + 4/3, which the slope will be -2/3.

To be perpindicular you need the slope to be: m1 * m2 = - 1. So because we already know that the slope is -2/3, all we need to do is set up an equation: -2/3 * y = - 1

-2/3y = - 1

multiply both sides by 3/-2

y = 3/2

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Whats the answer and why?

san4es73 [151]

A) -13

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x^2-13x+12=0

x^2-x-12x+12=0

x(x-1)-12(x-1)=0

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3 years ago

2.7 times a number equals 8.37?

KIM [24]

Answer:

22.599

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3 years ago

Read 2 more answers

Kaylin buys a greeting card for $3.79. she then buys 4 postcards that all cost the same amount. the total cost is $5.11. how muc

Pie

Answer:

Step-by-step explanation:

Givens

Greeting Card = 3.79

Total Cost = 5.11

Post cards = x

Equation

Total Cost = Greeting Card + 4x

Solution

Substitute the gives into the equation

5.11 = 3.79 + 4x Subtract 3.79 from both sides

5.11 - 3.79 = 3.79 - 3.79 + 4x Combine

1.32 = 4x Divide by 4

1.32/4 = 4x/4

x = 33

Each post card costs 0.33 dollars

4 0

2 years ago

Mary is flying a kite and has let out 50 yards of kite string. Mary’s kite is directly above Erika.

ch4aika [34]

The distance of Erika from kite directly is 35.71 yards

Step-by-step explanation:

Considering the given situation as a right triangle with string as hypotenuse and the distance between both girls as base

So,

$h = 50\ yards\\b = 35\ yards$

As the triangle is a right triangle, we can use pythagoras theorem to solve this problem.

$h^2 = b^2 + p^2\\p^2 = h^2 - b^2\\p^2 = (50)^2 - (35)^2\\p^2 = 2500-1225\\p^2 = 1275\\\sqrt{p^2} = \sqrt{1275}\\p = 35.707\ yards$

Rounding off to nearest hundredth

=> 35.71 yards

Hence,

The distance of Erika from kite directly is 35.71 yards

Keywords: Triangle, Pythagoras

Learn more about triangle at:

#LearnwithBrainly

3 0

3 years ago

The distance from Baltimore to New York is about 171 miles this is about 189 miles less then the distance from Baltimore to Bost

SVEN [57.7K]

The distance from Boston to Baltimore is 360 miles away
Baltimore to New York is 171 miles
New York to Boston is 189 miles
Baltimore to Boston is 171+189
Baltimore to Boston is 360 miles away

3 0

3 years ago