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3 years ago

Write the equation of a line through the point (7,-10) and perpendicular to 5y + 3x = 15.

Mathematics

1 answer:

Alla [95]3 years ago

7 0

Step-by-step explanation:

In order to find the equation I used the following formula:

y - y1 = m ( x - x1)

P.s y1 & x1 are the coordinates of the given point

If you have any questions about the way I solved it, don't hesitate to ask me in the comments below :)

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Sandra needs to obtain a random sample of 20 students from her school, in order to do a project for her statistics class. Which

ser-zykov [4K]

Answer: D) At the next school assembly, choose one student from each of 20 randomly selected rows.

Step-by-step explanation:

A wouldnt be correct because it is all students from the spots program

B isnt correct because it is 10 girls and 10 boys from the girls' and boys' soccer teams

C wouldnt be correct because it would be the first 20 students she sees once she leaves statistics class

D is the only unbiased, completely random selection choice.

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4 years ago

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What fraction of $1.00 is $0.40?

Irina18 [472]

Can be 40/100 but when you simplify it will give you 4/10 give me thanks if it helps!!! I hope it did;))))

4 0

3 years ago

Read 2 more answers

A parallelogram has a base of length xplus 7 and a height of xplus 2 and has an area of 50 square units. Find the base and heigh

iris [78.8K]

Hello,

$(x+7)(x+2)=50\\\Rightarrow\ x^2+9x+14=50\\\Rightarrow\ x^2+9x-36=0\\\Rightarrow\ x^2+12x-3x-36=0\\\Rightarrow\ x(x+12)-3(x+12)=0\\\Rightarrow\ (x+12)(x-3)=0\\\Rightarrow\ x=-12\ or\ x=3\\If \ x=-12\ then\ x+7$

7 0

4 years ago

If sin(x) = 1 and cos(x) = 0, what is cot(x)? 0 1 undefined

kipiarov [429]

Answer:

Hello!! the answer is undefined

Sin(x) = 0 where x = 0

Cos(x) = 1 where x = 0

Cot(0) is undefined

7 0

3 years ago

The top missing part of the screenshot says : Every year, a dog sled race is held in Alaska and is approximately 1,150 miles in

Molodets [167]

Answer:

-The equation that represents the approximate distance Aaron's dog sled team travels over time is Y = 5.32X.

-The equation that represents the approximate distance Dallas' dog sled team travels over time is Y = 5.48X.

-The equation that represents the approximate distance Mitch's dog sled team travels over time is Y = 5.42X.

Step-by-step explanation:

Given that every year, a dog sled race is held in Alaska and is approximately 1,150 miles in distance, based on the listed information, the speed rate of every racer is:

Aaron = 575 miles in 4 days and 12 hours = 575 miles in 108 hours = 5.32 mph

Dallas = 1,150 miles in 8 days and 18 hours = 1,150 miles in 210 hours = 5.476 mph

Mitch = 287.5 miles in 2 days and 5 hours = 287.5 miles in 53 hours = 5.42 mph

Therefore, the correct answers are:

-The equation that represents the approximate distance Aaron's dog sled team travels over time is Y = 5.32X.

-The equation that represents the approximate distance Dallas' dog sled team travels over time is Y = 5.48X.

-The equation that represents the approximate distance Mitch's dog sled team travels over time is Y = 5.42X.

6 0

3 years ago