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3 years ago

Which equation represents the line that passes through the point (3,4) and is parallel to the x-axis?

1 answer:

3 0

Paralell to x axis means x=something

it is first 2 choices

(x,y)
(3,4)
has to pass through x=3

answer is x=3 (2nd option)

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One person can complete a typing project in 6 hours ,and another can complete the same project in 8 hours .How long will it take

Elan Coil [88]

It would take them precisely 7 hours

5 0

3 years ago

Find Percent of a Number - Instruction - Level F

dimaraw [331]

Answer:

Sierra's team has a greater percent of left-handed batters.

25% of Sierra's team bat left handed and 20% of Aubrey's team bat left handed.

Step-by-step explanation:

Sierra: 7/28 = 1/4

1/4 written as a percentage is 25%

Aubrey: 5/25 = 1/5

1/5 written as a percentage is 20%

25% is greater than 20%, so Sierra's team has a greater percent of left-handed batters.

25% of Sierra's team bat left handed and 20% of Aubrey's team bat left handed.

Hope this helps ;)

6 0

3 years ago

Read 2 more answers

Gravel is being dumped from a conveyor belt at a rate of 15 ft3/min, and its coarseness is such that it forms a pile in the shap

gayaneshka [121]

Answer:

0.13 ft/min

Step-by-step explanation:

We are given that

$\frac{dV}{dt}=15ft^3/min$

We have to find the increasing rate of change of height of pile when the pile is 12 ft high.

Let d be the diameter of pile

Height of pile=h

d=h

Radius of pile,r= $\frac{d}{2}=\frac{h}{2}$

Volume of pile= $\frac{1}{3}\pi r^2 h=\frac{1}{12}\pi h^3$

$\frac{dV}{dt}=\frac{1}{4}\pi h^2\frac{dh}{dt}$

h=12 ft

Substitute the values

$15=\frac{1}{4}\pi(12)^2\frac{dh}{dt}$

$\frac{dh}{dt}=\frac{15\times 4}{\pi(12)^2}$

$\frac{dh}{dt}=0.13ft/min$

7 0

4 years ago

A circle with the equation (x + 3)2 + (y - 2)2 = 25 is reflected over the line x = 2.

zlopas [31]

(x-7)² + (y-2)² = 25

3 0

3 years ago

Read 2 more answers

What's the correct answer and why?

alexandr402 [8]

3x^4 becomes 3(3x)^4=3*3^4*x^4
y^2 becomes (3y)^2=3^2y²
the new z=3² the old z, so b is correct.

4 0

3 years ago