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soldi70 [24.7K]
2 years ago
7

Find the equation of lines on graph

Mathematics
1 answer:
olga nikolaevna [1]2 years ago
3 0
That link is somethin else -
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What is the equation of the line that passes through <br><br> (−3,5) and has a slope of<br> −2?
Tatiana [17]

Answer:

y-5=-2(x+3)

Step-by-step explanation:

y-y1=m(x-x1)

m=-2

y-5=-2(x-(-3))

y-5=-2(x+3)

5 0
2 years ago
the length of a diagonal of a square field is 220 metres find the length of a side in metres and the area of the field in hectar
andre [41]

Answer:

Step-by-step explanation:

h^2=x^2+y^2, since this is a square x=y=s so

220^2=2s^2

2s^2=48400

s^2=24200

s=24200^(1/2)m (exact)

s=155.56m (rounded to nearest hundredth of a meter)

One hectare is equal to 10000m^2

A=24200m^2(h/10000m^2)

A=2.42 hectares

7 0
2 years ago
The room is 12 feet by 8 feet. what is the side measure of the largest square tile that you can use to cover the whole floor so
barxatty [35]
The measurement of the largest square tile is 4 ft. by 4 ft.
You would need 6 of these tiles to fill the room.
8 0
3 years ago
Emily wants to know the volume of a beach ball. She deduces that the beach ball has diameter of 12 inches, and then uses the fol
Over [174]

Answer:

D. She used the beach's ball's diameter when she should have used the radius

Step-by-step explanation:

To find the volume of the beach ball, using the volume of a sphere is the right formula to use, which is ⁴/3πr³.

The formula she used is correct.

Since the diameter of the ball is assumed to be 12 inches, what is needed to find the volume is the radius.

Radius (r) = ½(diameter) = ½(12) = 6 in.

This is where Emily made a mistake.

She used the diameter of the beach ball instead of its radius (r) which is needed in the equation.

She should have gotten,

V = ⁴/3(3.14)(6)² = 904.32 cubic inches

7 0
2 years ago
Bought to video games for a total of $55 their prices have a difference of $15
shepuryov [24]

Answer:

The answer is 40

Step-by-step explanation:

55-15=40

5 0
3 years ago
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