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Scrat [10]
3 years ago
6

Mathematics question help

Mathematics
2 answers:
pantera1 [17]3 years ago
6 0
Answer:

4 square root of 5

Step-by-step explanation:



Nat2105 [25]3 years ago
4 0

Distance Formula: \sqrt{(x_{2} - x_{1})^2 + (y_{2} - y_{1})^2}

Point 1: (9,0)

Point 2: (5,-8)

D = sqrt[ (5 - 9)^2 + (-8 - 0)^2 ]

D = sqrt[ (-4)^2 + (-8)^2 ]

D = sqrt[ 16 + 64]

D = sqrt(80)

Hope this helps!

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"At ​$1.29 million​, they closed last month for...26 percent above what they paid in​ 2007." How much did they pay in​ 2007?
Morgarella [4.7K]

Answer:  Amount that they paid in 2007 is 1.01 millions.

Step-by-step explanation:

Since we have given that

Number of millions paid last month = $1.29 millions

According to question, it was 26% above what they paid in 2007.

Let the amount paid in 2007 be x

So, our equation becomes,

\frac{100+27}{100}\times x=1.29\\\\\frac{127}{100}\times x=1.29\\\\1.27\times x=1.29\\\\x=\frac{1.29}{1.27}\\\\x=1.01\ millions

Hence, Amount that they paid in 2007 is 1.01 millions.

7 0
3 years ago
Read 2 more answers
To the nearest foot, how long is Pennsylvania Ave. between 19th St. and 18th St? (Hint: The 425 ft on the map above represents t
fomenos
425 would be the answer
4 0
4 years ago
A line goes through the point (–4,–2) and has an x-intercept of –1.
Nady [450]

Answer:

(5,4)

Step-by-step explanation:

thanks to the second information we know that a certain second point of the line is (-1,0)

Now we can use a formula to find the equation of the line, that is

(y-y1)/(y2-y1) = (x-x1)/(x2-x1) where x and y 1 and 2 are the coordinates of the points.

(y+2)/2 = (x+4)/(-1+4)

y+2/2 = (x+4)/ 3

3y+6 = 2x+8

2x-3y+2 = 0

now we have to find the point that make true the equation (we have to sobstitute x and y with the coordinates of the given points)

1)  -12 +15 + 2 = 0 ; 3 = 0 (wrong)

2) 6-4+2 = 0 ; 4 = 0 (wrong)

3) 8-15+2 = 0 ; -5 = 0 (wrong)

4) 10-12+2 = 0 ; 0=0 (true)

so (5,4) is the correct answer

4 0
3 years ago
Read 2 more answers
Find the y-intercept of the following equation.
Dafna1 [17]

Answer:

(0,12)

Step-by-step explanation:

y = -3x^2 – 4x + 12

To find the y intercept, let x=0

y = -3(0) -4(0) +12

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The y intercept is (0,12)

6 0
4 years ago
Evaluate each expression if x = 4 and y = -3.
Phoenix [80]

Answer:

15) 8

16) -2

Step-by-step explanation:

For each problem, use 4 where there is an x and -3 where there is a y!

15) 11+y=? If y=-3 it is 11+(-3) and that is 8!

16) x+(-6)=? If x=4 it is 4+(-6) and that is -2!

The other ones seem to be missing something so I don't understand those, but if you need more help reply to this and I'll help!

3 0
4 years ago
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