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scoundrel [369]

2 years ago

14

Find the equation of the line that contains the given point and is perpendicular to the given line. Write the equation in slope-

intercept form, if possible, (-7,-1);y=-7x+9

1 answer:

Colt1911 [192]2 years ago

4 0

Answer:

what is the value of X by the way

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The population of a town doubled every 5 years from 1960 to 1975. What is the percentage increase in population in this period ?

777dan777 [17]

Answer:

<h2>800%</h2>

Step-by-step explanation:

Let p represent the population

in 1965 → the population becomes 2p

in 1970 → the population becomes 2(2p) = 4p

in 1975 → the population becomes 2(4p) = 8p

p ——————> 100%

8p ————-—-> x%

then

$x=\frac{8p*100}{p}=800$

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3 years ago

1-tanA÷1+tanA=1-sin2A÷cos2A

Aleksandr-060686 [28]

hope u get it. I've used RHS to prove LHS

7 0

2 years ago

A car dealer has 8 rows of cars with 16 cars in each. In each of the first 3 rows, 6 are used cars. The rest of the cars new car

qwelly [4]

The answer is 110 because if you multiply 8•16=128 and 18 cars are used, you subtract 128-18 which is 110.

8 0

3 years ago

On a map the key indicates that 1/4 inch = 1/2 mile. if two cities on themap are 4 1/2 inches apart what is the distance between

Ilya [14]

Let the actual distance be x mile.
1/4 inch = 1/2 mile
9/2 inch = x mile
(9/2)/(1/4)=x/(1/2)
18=2x
x=9

the actual distance is 9 mile.

8 0

3 years ago

Score Number of Students

Radda [10]

Answer:

mean is 75

Step-by-step explanation:

8 0

2 years ago