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Mekhanik [1.2K]
3 years ago
8

I need help with this

Mathematics
1 answer:
yanalaym [24]3 years ago
6 0

Answer:

(-2, -4)

Step-by-step explanation: because its going backwards it should be a negative slope :)

I'm sorry if I'm wrong  but i hope this helps :)

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*15 points help easy question*
DIA [1.3K]

Answer:

x = 12

Step-by-step explanation:

The segment from the vertex to the base is a perpendicular bisector.

Using Pythagoras' identity on the right triangle on the right.

(\frac{1}{2} x )² + 3² = (\sqrt{45} )² , that is

\frac{1}{4} x² + 9 = 45 ( subtract 9 from both sides )

\frac{1}{4} x² = 36 ( multiply both sides by 4 )

x² = 144 ( take the square root of both sides )

x = \sqrt{144} = 12

8 0
2 years ago
2x - 5y = - 15
UkoKoshka [18]

Answer:

2x+15=5y

y=(2x+15)/5

hope this helps

7 0
3 years ago
Read 2 more answers
Given right triangle ABC with altitude BD drawn to hypotenuse AC. If AB = 8
Delicious77 [7]

Answer:

x = 32

Step-by-step explanation:

∠BCA = ∠DBA (90 - ∠DBC)

∠A = ∠A

ΔABD similar to ΔACB

AC/AB = AB/AD

x / 8 = 8 / 2

x = 32

4 0
3 years ago
Y = -3x + 11<br> y = -6x - 13
Marysya12 [62]

Answer:

x= -8 and so y=35.....solving equation

5 0
3 years ago
Find the area and the circumference of a circle with the radius 3 ft.Use 3.14 for pi
Lilit [14]

ANSWER

• Circumference: 18.84 ft

,

• Area: 28.26 ft²

EXPLANATION

The circumference of a circle of radius r is,

C=2\pi r

In this case, the radius is r = 3 ft and we have to use 3.14 for π,

C=2\cdot3.14\cdot3ft=18.84ft

Hence, the circumference of this circle is 18.84 feet.

The area of a circle of radius r is,

A=\pi r^2

In this case, r = 3 ft and π = 3.14,

A=3.14\cdot3^2ft^2=28.26ft^2

Hence, the area of this circle is 28.26 square feet.

6 0
1 year ago
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