All categories

3 years ago

PLEASE HELP!!! ILL GIVE BRANLIEST EXTRA POINTS dont skip :((

Mathematics

1 answer:

Helen [10]3 years ago

3 0

Answer:

I think the answer is 10

Step-by-step explanation:

You might be interested in

Need answer ASAP will give brainliest check out the picture

valentinak56 [21]

Answer:

i think... x=6

Step-by-step explanation:

3x+9=x+21

3x−x=12

2x=12

x=6

8 0

3 years ago

Use differentials to find an approximate value for <img src="https://tex.z-dn.net/?f=%20%5Csqrt%5B3%5D%7B65%7D%20" id="TexFormul

Sveta_85 [38]

: Let y = f(x) = x^1/3
Then dy = 1/3*x^(−2/3) dx
Since f(64) = 4.
We take x = 64 and dx = ∆x = 1
This gives dy = 1/3*(64)^(−2/3)* (1) = 1/48
∴65^(1/3) = f(64 + 1) ≈ f(64) + dy = 4 + 1/48 ≈ 4.021 <span>
</span>

6 0

4 years ago

Read 2 more answers

Which expression represents the product of 8 and the sum of 3 and k.

Alina [70]

It should be c
sum if 3 and k parenthesis and then multiply by 8

5 0

3 years ago

What value of x is in the solution set of 8x-6>12+2x

mojhsa [17]

Answer:

x > 3

Step-by-step explanation:

8x - 6 > 12 + 2x....,just move the values with variable x to one side and those without to the other side

; 8x - 2x > 12 + 6

; 6x > 18...., then divide by 6,both sides of the inequality

; x > 3

5 0

3 years ago

Read 2 more answers

A person on a moving sidewalk 21 feet in 7 senconds the moving sidewalk has a lenght of 180 feet. How long will it take to move

aliina [53]

Answer:

He will take 60 seconds to move from one end of the sidewalk to other.

Step-by-step explanation:

Given:

A person on a moving sidewalk,

21 feet in 7 seconds

Then 180 feet

To Find:

Total time =?

Solution:

Speed:

Speed is defined as the rate of distance covered in per unit time.

It is given as

$\textrm{Speed }=\dfrac{\textrm{Distance}}{Time}$

Substituting the given values we get

$\textrm{Speed }=\dfrac{21}{7}=3\ m/s$

Now, With this speed if he walk 180 feet then the time is

$\textrm{Time}=\dfrac{\textrm{Distance}}{Speed}$

Substituting Speed and Distance we get

$\textrm{Time}=\dfrac{180}{3}=60\\\\Time=60\ s$

He will take 60 seconds to move from one end of the sidewalk to other.

5 0

3 years ago

PLEASE HELP!!! ILL GIVE BRANLIEST *EXTRA POINTS* dont skip :((

PLEASE HELP!!! ILL GIVE BRANLIEST EXTRA POINTS dont skip :((