I need help!!are these correct?

Answers

Answer 1

Answer: you are right only have to but is the name for each one like 1.line segment 2. ray 3. ray 4. point 5. line segment 6.line 7.line 8.ray

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Describe and correct the error(s) made in each of the problems below. 1−x / (5−x)(−x)=x−1 / x(x−5)5/s+2/5=2/s
the area of a rectangle is 42 square inches and one side is 12 inches long . find the perimeter of the rectangle
Adam bought three laptops for his office at a total cost of $1,300. The shopkeeper tried to sell Adam some upgrades and accessories that would have doubled the price of the first laptop and tripled the price of the third laptop, increasing the total cost to $2,400. Adam declined to buy the upgrades and accessories as he had already spent a lot on the first laptop, in fact $100 more than the combined price of the second and third laptops. What are the original individual prices of the three laptops?A. first laptop: $700second laptop: $400third laptop: $200B. first laptop: $700second laptop: $200third laptop: $400C. first laptop: $650second laptop: $250third laptop: $400D. first laptop: $650second laptop: $200third laptop: $450E. There is not enough information to solve for the unknowns.
What is 1.5 percent of 45000

A rectangle has an area of 4 square meters. The width is 1/5 meter. What is the length of the rectangle?

Answers

Given:
Area of a rectangle = 4 square meters
wight = 1/5 meter

find the length

Area of a rectangle = length * width

length = area / width
length = 4 m² ÷ 1/5 m
length = 4 m² * 5/1m
length = 20 m

length is 20 meters.

Area = 20 m * 1/5 m = 20 m² / 5 = 4m²

The lot that Dana is buying for her new one story house is 35 yards by 50 yards. Dana's house plans show that her house will cover 1,600 square feet of land. What percent of Dana's lot will not be covered by the house ? Explain your answer.

Answers

35x50=1,750-1,600=150. We need to find out what 150 is of 1,600.
150/1,600=?/100
1,600 divided by 100=16
do the same for 150
150 divided by 16=9.375
(you can make it whole if you want)
the answer is about 9%

What is the square root of 90000

Answers

so since you know 3×3 is 9 just count the zeros from 90000 and give each factor a zero and that should be 300×300...you might not understand but its the way i learned it

Please answer ASAP! An explanation is a MUST REQUIREMENT in order to receive points and the Brainliest answer. Thank you.

Answers

Slope represented as a ratio of rise over run. In this case, we have a straight horizontal line. No matter how far we go along the line, there will be no rise, so the slope is a constant ratio of

$(0)/(1)$

since for every one unit you move left or right, you are moving zero units up or down.

Any fraction with a numerator of 0 equals 0, so we can simplify this to say that the slope of our line is 0.
Choice 3 is correct.
Hope that helped! =)

A cone has a diameter of 30 in. and a slant height of 17 in.What is the approximate volume of the cone? Use 3.14 to approximate the value of PI.
Round your answer to the nearest tenth, if necessary.

Answers

Use the given formula :

$V=\frac{1}3\pi r^2h=\frac{1}3\pi (\frac{D}2)^2h$ where $D$ is the diameter.

By Pythagoras, $h=√(17^2-(30/2)^2)=8\text{ in}$

Hence $V\approx\frac{3.14}3*15^2*8=\boxed{1884.0\text{ in}^3}$

A patient was supposed to take 560mg of Medicine but only took 420mg. What percent of medicine did the patient take

Answers

75% because u do 420 times 100 divide it by 560 and that=75%

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