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3 years ago

Find the length of the third side. If necessary, round to the nearest tenth. 6 10

Mathematics

1 answer:

Pavlova-9 [17]3 years ago

6 0

If you round, it’ll be 7,0

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Step by step please (variable expression)

Naddika [18.5K]

Answer:

139

Step-by-step explanation:

Substitute x for 15.

9(15)+4

Then multiply:

135+4

And then add:

139

6 0

3 years ago

I Hope That This Ain't A Fairytale

inysia [295]

Answer:

what song?

Step-by-step explanation:

is that a song wrely

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3 years ago

Find the equation of a line that passes through the point (4,2) that is perpendicular to the line y=4/3 x

Mrac [35]

Answer:

$y=\frac{3}{4}x-1$

Step-by-step explanation:

Since we're looking at perpendicular lines, the slope of the new line is the reciprocal of the original line.

So the slope of our new line is $\frac{3}{4}$

So far, we are looking at $y=\frac{3}{4} x+b$

Now we need to find the b value by plugging in the given point.

$2=\frac{3}{4}(4)+b\\ 2=3+b\\ b=-1$

So the final equation is $y=\frac{3}{4}x-1$

8 0

3 years ago

A tree that is next to a telephone pole is 15 feet tall and casts a shadow 4 feet long.

mestny [16]

Answer:

Step-by-step explanation:

15 =4

15x 6=90

4x6=24

5 0

3 years ago

Read 2 more answers

If AB=BC,AB=4=4x-2,andBC=3x+3,fine the length of AB

laila [671]

Answer:

Step-by-step explanation:

First, I'm assuming AB=4=4x-2 was a typo and it's supposed to be AB = 4x - 2

AB=BC

AB = 4x - 2 BC = 3x + 3

4x - 2 = 3x + 3

Solve for x Add 2 to each side

4x - 2 = 3x + 3

4x - 2 + 2 = 3x + 3 + 2

4x = 3x + 5 Subtract 3x from each side.

4x - 3x = 3x- 3x + 5

4x - 3x = 5

x = 5

Now plug back in to the original equations

AB = 4x - 2 BC = 3x + 3

AB = 4 (5) - 2 BC = 3(5) + 3

AB = 20 - 2 BC = 15 + 3

AB = 18 BC = 18

So AB is 18

3 0

3 years ago