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NARA [144]
3 years ago
9

3. Find the scale factor using the given scale drawings and measurement below

Mathematics
1 answer:
MariettaO [177]3 years ago
3 0
Actual = 3cm
Scale=5cm

3x=5
3/3x=5/3
X=5/3

The scale factor is 5/3.
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Claire has a hot tub with a diameter of 7 feet. She wants to purchase a cover to protect the hot tub. What is the area of the co
lara [203]

She needs to purchase a cover to protect the hot tub of an area of 38.5 square feet.

<h3>What is a circle?</h3>

It is a locus of a point drawn at an equidistant from the center. The distance from the center to the circumference is called the radius of the circle.

Claire has a hot tub with a diameter of 7 feet. She wants to purchase a cover to protect the hot tub.

The area of the circle is given by

\rm Area = \dfrac{\pi}{4}d^2

We have d = 7 ft, then the area of the circle will be

\rm Area = \dfrac{3.14}{4}*7^2\\\\Area = 38.5 \ ft^2

More about the circle link is given below.

brainly.com/question/11833983

5 0
3 years ago
What is the equation of a line that is parallel to 2x+3y=3 and passes through the point (3, −4) ? Enter your answer in the box.
adell [148]
(3,-4) is your x and y. Plug it in the equation so,

For x,

2x+3y=3
2x+3(-4)=3
2x-12=3
2x=12+3
2x=15
2x/2=15/2
x=7.5

For y,

2(3)+3y=3
6+3y=3
3y=-6+3
3y=-3
3y/3=-3/3
y= -1
8 0
3 years ago
Melody lives 30 miles due south of her cousin's house and 40 miles due west of her grandparents' house. One day, she drove to he
guajiro [1.7K]

Answer:

It’s 70 bc from cousin to her house is 30. From grandparents to her house is 40. To find the distance from cousins house to grandparents house u add 30 miles and 40 miles. This should give a total distance of 70 miles from cousins to grandparents.

Step-by-step explanation:

Hope this helps

7 0
3 years ago
Read 2 more answers
How many square inches are needed to cover a square foot?
Rudik [331]

Answer:144 square inches



Step-by-step explanation:


7 0
4 years ago
mark wants to order a pizza. which is the better deal 10.00 with a diameter of 12 or 20.00 with a diameter of 18
satela [25.4K]
I'm gonna calculate by the area of pizza to see how much food you get for 10 and 20 dollars

A...area
r...radius
d...diameter

d1=12 r1=6
d2=18 r2=9

A1=r1^2×3.14
A1=6^2×3.14
A1=36×3.14
A1=113.04

A2=r2^2×3.13
A2=9^2×3.14
A2=81×3.14
A2=254.34

if you bought 2, 12 diameter pizzas for 20 dollars you would get 226.08 area od food,still less if you bought 1, 18 diameter pizza for 20 dollars. because 223.08 < 254.34
7 0
3 years ago
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