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2 years ago

Help me with this.thank you

Mathematics

1 answer:

nexus9112 [7]2 years ago

5 0

Answer: 3 miles.

Step-by-step explanation:

Since we are given the information that Ms. Wilson walked ¾miles each day. To calculate the total distance that Ms. Wilson will walk for 4 days, we have to multiply the distance walked each day by 4.

This will be:

= ¾miles × 4

= 3 miles

Therefore, Wilson walked a distance of 3 miles for the 4 days.

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At a local swimming pool, the diving board is elevated h = 9.5 m above the pool's surface and overhangs the pool edge by L = 2 m

beks73 [17]

<h2>Answer:</h2>

$s_{y}=u_{y}t+\frac{1}{2}a_{y}t^{2}\\9.5=4.9t^{2}$

and,

$v_{x}=1.39a_{x}+2.5$

<h2>Step-by-step explanation:</h2>

In the question,

Taking the elevation of pool along the y-axis, and length of the board along the x-axis.

On drawing the illustration in the co-ordinate system we get,

lₓ = 2 m

uₓ = 2.5 m/s

and,

$h_{y}=9.5\,m$

So,

From the equations of the laws of motion we can state that,

$s_{y}=u_{y}t+\frac{1}{2}a_{y}t^{2}$

So,

On putting the values we can say that,

$s_{y}=u_{y}t+\frac{1}{2}a_{y}t^{2}\\9.5=(0)t+\frac{1}{2}(9.8)t^{2}\\t^{2}=\frac{9.5}{4.9}\\t^{2}=1.93\\t=1.39\,s$

Now,

The <u>equation of the motion in the horizontal</u> can be given by,

$v_{x}=u_{x}+a_{x}t\\v_{x}=2.5+a_{x}(1.39)\\So,\\v_{x}=1.39a_{x}+2.5$

<em><u>Therefore, the equations of the motions in the horizontal and verticals are,</u></em>

$s_{y}=u_{y}t+\frac{1}{2}a_{y}t^{2}\\9.5=4.9t^{2}$

and,

$v_{x}=1.39a_{x}+2.5$

6 0

2 years ago

-3(n+3) - 10(8n + 9)

MrMuchimi

−3(n+3)−10(8n+9)

(−3)(n)+(−3)(3)+(−10)(8n)+(−10)(9)

=−3n+−9+−80n+−90

=(−3n+−80n)+(−9+−90)

=−83n+−99 <- ANSWER

3 0

2 years ago

Read 2 more answers

20 points! Jason is 22, which is 6 years older than twice his sister Taylor’s age. How old is Taylor? Enter your answer in the b

Dovator [93]

Answer:

Step-by-step explanation:

Jason = 22

Taylor = x

2x + 6 = 22
2x = 22 -6
2x = 16
x = 16/2
x= 8

Taylor is 8

4 0

2 years ago

PLEASE HELP IM TIMED

Ipatiy [6.2K]

Answer:

20.16

Step-by-step explanation:

add

4 0

2 years ago

Chance has hired a construction crew to renovate his kitchen. They charge $3.55 per square foot for materials and $121.26 per da

Fantom [35]

The renovation took 14 days ⇒ answer A

Step-by-step explanation:

Chance has hired a construction crew to renovate his kitchen

They charge $3.55 per square foot for materials
They charge $121.26 per day of labor
Chance spent $2,450.24 on the renovation
The number of square feet is 198 more than the number of days it took for the renovation

We need to find for how long the renovation took

Assume that the renovation took x days

∵ The renovation took x days

∵ The number of square feet is 198 more than the number of days

∴ The number of square feet = x + 198

∵ They charge $3.55 per square foot

∵ They charge $121.26 per day of labor

∴ The cost of renovation = 3.55(x + 198) + 121.26(x)

- Simplify the expression

∴ The cost of renovation = 3.55 x + 702.9 + 121.26 x

- Add like terms

∴ The cost of renovation = 124.81 x + 702.9

∵ Chance spent $2,450.24 on the renovation

- Equate the cost of renovation by the money that Chance spent

on the renovation

∴ 124.81 x + 702.9 = 2,450.24

- Subtract 702.9 from both sides

∴ 124.81 x = 1,747.34

- Divide both sides by 124.81

∴ x = 14

The renovation took 14 days

Learn more:

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3 0

2 years ago