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LekaFEV [45]
3 years ago
6

1800 doubles in value every 7 years

Mathematics
1 answer:
jok3333 [9.3K]3 years ago
6 0

Answer: 25200

Step-by-step explanation:

I hope that this is helpful, I'm bad at explaining answers so i wont. XD

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Use the quadratic equation 4x2+4x+1=0 to answer the questions.
Bad White [126]

Answer:

Step-by-step explanation:

4x²+4x+1=0

A.

(2x+1)²=0

2x=-1

x=-1/2

B.

Since the quadratic equation has one real solution, the graph of the quadratic equation intercepts the x-axis at (-1/2,0)

6 0
4 years ago
Hii i need help with a geometry problem. the picture is attached. i'll mark you brainliest!!
SVEN [57.7K]

Answer:

i would wanna say the first one

Step-by-step explanation:

4 0
4 years ago
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Write the equation for the perpendicular bisector of the given line segment.
Anon25 [30]

Answer:

y=\frac{1}{3}x+\frac{5}{3}

Step-by-step explanation:

Let

A(-5,5),B(-2,-4) ----> the given segment

step 1

Find the slope AB

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

substitute the given values

m=\frac{-4-5}{-2+5}

m=\frac{-9}{3}

m=-3

step 2

we know that      

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of the slopes is equal to -1)

so

the slope of the perpendicular bisector is equal to

m_1*m_2=-1

we have

m_1=-3

substitute

(-3)*m_2=-1

m_2=\frac{1}{3}

step 3

Find the midpoint segment AB

A(-5,5),B(-2,-4)

The formula to calculate the midpoint between two points is equal to

M(\frac{x1+x2}{2} ,\frac{y1+y2}{2})

substitute the values

M(\frac{-5-2}{2} ,\frac{5-4}{2})

M(-\frac{7}{2} ,\frac{1}{2})

step 4

Find the equation of the line in point slope form

y-y1=m(x-x1)

we have

m=\frac{1}{3}

M(-\frac{7}{2} ,\frac{1}{2})

substitute

y-\frac{1}{2}=\frac{1}{3}(x+\frac{7}{2})

step 5

Convert to slope intercept form

y=mx+b

isolate the variable y

y-\frac{1}{2}=\frac{1}{3}x+\frac{7}{6}

y=\frac{1}{3}x+\frac{7}{6}+\frac{1}{2}

y=\frac{1}{3}x+\frac{10}{6}

simplify

y=\frac{1}{3}x+\frac{5}{3}

see the attached figure to better understand the problem

5 0
4 years ago
Elysia has 2 apples she gives 1 to her friend so how many does she have?
VladimirAG [237]
I believe the correct answer is 1 apple. I can definitely see why you would struggle on this.
4 0
3 years ago
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Need help with Trigonometry
Masteriza [31]

Answer:

29

Step-by-step explanation:

using Pythagorean theory.

equate it to the hypotenus.

thus- hyp sq=adjacent sq +opposite sq

7 0
2 years ago
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