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RUDIKE [14]
2 years ago
10

Will give correct answer brainliest

Mathematics
1 answer:
Helga [31]2 years ago
6 0

Answer:

can you please type it cause I can't see I help

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Write the equation of a line perpendicular to y=2x-5 that passes through the point (-2,5)
yawa3891 [41]

y = mx + b

The product of slopes of perpendicular lines is -1.  The slope of the given line is 2, so the slope of the perpendicular line is -1/2.

y = (-1/2)x + b

Now use the given point to find b and finish from here.

-5 = (-1/2)(2) + b

b = ?

3 0
2 years ago
Michele correctly solved a quadratic equation using the quadratic formula as shown below.
Fofino [41]

Answer:

The original equation must have been:

7x^{2} -5x-2=0

Step-by-step explanation:

A quadratic equation is in the form of :

ax^{2} +bx+c=0

And it is solved in the form of :

x=\frac{-b+\sqrt{b^{-4ac} } }{2a} and x=\frac{-b-\sqrt{b^{-4ac} } }{2a}

Now the given equation is :

x=\frac{-(-5)+-\sqrt{(-5)^{2} -4(7)(-2)} }{2(7)}

We can see that here;

a = 7

b = -5

c = -2

So, the original equation must have been:

7x^{2} -5x-2=0

5 0
3 years ago
Customary capacity lesson 17.2 <br> How many times can 72 pt go into a gal
SashulF [63]
The answer would be about 0.111
7 0
3 years ago
Read 2 more answers
Find the area and the circumference of a circle with diameter 8 cm. Use the value 3.14 for π , and do not round your answers. Be
Illusion [34]

Answer:

Area= 50.24 squared cm.

Circumference= 25.12 cm.

Step-by-step explanation:

To find the area of a circle- A= 3.14*(4 cm squared). ( The 4 cm is your radius. Half of the diameter.) After you square your radius you get 16cm squared. You then go onto multiply the 16 cm squared by 3.14 to get 50.24 cm squared.

To find the circumference of a circle- C= 2*(3.14)*(4cm). (Again the 4cm is your radius. Half of the diameter.) After you multiply the 2 and 3.14 you get 6.28. You then multiply the 6.28 by 4 cm to get 25.12 cm.

7 0
3 years ago
Which equation represents the line that passes
viktelen [127]

Answer:

1) y=3x+1

Step-by-step explanation:

passes through the points

(-1.-2) and (3, 10)

7 0
2 years ago
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