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s344n2d4d5 [400]
3 years ago
12

PLEASE HELP BIG BIG POINTS 20 POINTS!!!!

Mathematics
2 answers:
Sever21 [200]3 years ago
8 0

chur answer is x=-3 i think

Finger [1]3 years ago
5 0

Answer:

<h2>x = -3</h2>

Step-by-step explanation:

Answer:

<h2>x = -3</h2>

Step-by-step explanation:

It's a vertical line. Regardless of what point you go to on the line, it always has a value of -3 because it is going vertically (up and down) at -3.

Therefore the equation of a line is x = -3.

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What equation is perpendicular to 4y=3x-8 and passes through (-12,7)
-BARSIC- [3]
Here is the answer to your problem

7 0
3 years ago
a cone has a radius of 6cm and height 9 calculate a)the volume and curved surface area b) total surface area
Orlov [11]

Answer:

V = 339.3 cm³; L = 203.9 cm²; A = 317.0 cm²  

Step-by-step explanation:

a) Volume

The formula for the volume (V) of a cone is

V = ⅓πr²h

V = ⅓π × 6² × 9

V = ⅓π × 36 × 9

V = 108π cm³

V ≈ 339.3 cm³

=====

Curved surface area  

The formula for the lateral surface area (L) of a cone is

L = πr√(r² + h²)

L = π×6√(36 + 81)

L = 6π√[9(4 + 9)]

L = 6π√(9 × 13)

L = 18π√13 cm²

L ≈ 203.9 cm²

===============

b) Base surface area

The base is a circle, so the formula for base surface area (B) is

B = πr²

B = π×6²

B = 36π cm²

B ≈ 113.1 cm²

=====

Total surface area

A = L + B

A = 18π√(13 +36π)

A = 18π(2 + √13) cm²

A ≈ 203.9 + 113.1

A ≈ 317.0 cm²

3 0
3 years ago
If a car can travel 435 miles on 25 gallons of gas how many miles per gallon does the car get?
nirvana33 [79]

Answer:17.4

Step-by-step explanation:435 Divided by 25

6 0
4 years ago
Hey ! Can anyone help me with this problem please thank you !!
Artist 52 [7]

Answer:

2

Step-by-step explanation:

7x + 3 = 8x + 1

2 = x

these are geometry problems.

3 0
3 years ago
Michael took in 91 mile bike trip. he left home at 7 AM. If he stopped for a total of two hours for rest and food and averaged 1
Korvikt [17]
Distance = rate * time
t = d / r

t = 91 / 14 = 6.5 hrs

plus 2 hour rest stop

8.5 hrs

start at 7 AM
end at 3:30 PM
5 0
3 years ago
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