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2 years ago

Why there must be at least two lines on any given plane

2 answers:

3 0

Part of tue reason is to balance the plane so you arent flying sideways.. :D not many happy people on a sideways plane ;) I am an idiot haha oh welp go ahead and delete it haha

natulia [17]2 years ago

3 0

The answer is that any plane must have a X and a Y. I hope this helped :)

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You are hiking in the woods at a rate of 3 mph. The function y=3x describes how many miles y you walk in x hours. create an inpu

Finger [1]

Answer:

x ---- y

1 ---- 3

4 ---- 12

6 ---- 18

Step-by-step explanation:

Given

$y = 3x$

Required

Create a table that represents this scenario

Because x represents time, x can not be negative. So, the domain of x is:

$x \geq 0$

Assume $x = 1$

$y = 3 * 1 = 3$

Assume x = 4

$y=3*4 = 12$

Assume x = 6

$y=3*6 = 18$

Hence, the table is:

x ---- y

1 ---- 3

4 ---- 12

6 ---- 18

4 0

3 years ago

Can someone help me with this two problems?

ANEK [815]

2x+4y=0

substitute y with 0

2x+4(0)=0

solve the equation

2x+0=0

2x=0

divide by 2 on both sides

x=0

4x+8y=7

substitute y with 0

4x+8(0)=7

solve the equation

4x+0=7

4x=7

divide by 4 on both sides

x=7/4 or x=1 3/4 or x=1.75

3x-7y=-29

2x+2y=6

solve the bottom equation

3x-7y=-29

x=3-y

substitute for x

3(3-y)-7y=-29

solve the equation

y=19/5

now substitute for y

x=3- $\frac{19}{5}$

solve for x

x=-4/5

the possible solution of the system is the ordered pair

(x,y)=( $-\frac{4}{5} ,\frac{19}{5}$ )

3 0

3 years ago

The diameter of a baseball is approximately 3 inches. what is its volume?

Arada [10]

Answer:

About 14.14

Step-by-step explanation:

V = 4/3pi x r^3

To find the radius, divide the diameter by 2 (1.5)

Substitute 1.5 in place of r and solve the equation.

4 0

3 years ago

Read 2 more answers

A napkin is folded into an isosceles triangle, triangle ABC, and placed on a plate, as shown. The napkin has a perimeter of 38 c

gavmur [86]

The area of plate which is covered by the napkin is equal to the area of folded napkin.

Before finding the area of folded napkin, we should find the dimension of the napkin.
Find the length of the leg side, the two leg has similar length.
perimeter = 38
l + l + 8 = 38
2l + 8 = 38
2l = 30
l = 15
Each leg is 15 cm long.

Find the area of folded napkin
area = 1/2 × s × s × sin of angle between the sides
area = 1/2 × 15 × 15 × sin 30°
area = 1/2 × 15 × 15 × 1/2
area = 225/4
area = 56.25
to the nearest whole number >> 56 cm²
The answer is third option

6 0

3 years ago

Read 2 more answers

Janelle went to the bank twice and withdrew a total of $40 from

Oduvanchick [21]

Answer:

20$ each visit

Step-by-step explanation

Divide 40 by 2 for her 2 visits to the bank

$\frac{40}{2} = 20 \\$