Three workers arrive at work 15 minutes late, at a cost of $11/hour how will it cost company?

Answers

Answer 1

Answer: $1h=60min\n\n\begin{array}{ccc}60min&-&\$11\n\n15min&-&\$x\end{array}\n\n\ncross\ multiply:\n\n60x=11\cdot15\ \ \ /:60\n\nx=(11\cdot15)/(60)\n\nx=(11)/(4)\n\nx=2.75\ (\$)\leftarrow Answer$

$other\ method:\n\n\$11\ -\ 60min\ \ \ \ /:4\n\n\$11:4\ -\ 60min:4\n\n\$2.75\ -\ 15min$

$Answer:a\ cost\ (\$2.75)/(15min)$

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Manuel buys 7.9 pounds of strawberries. Each pound costs $3.89. Which expression gives the best estimate of the cost of the strawberries?(8)($4)(7)($4)(8)($3)(7)($3)

Answers

The options you gave are extremely confusing, but if you round 7.9 it is 8, and if you round $3.89 it is $4. Therefore, the best estimate would be 8•$4, or $32

Answer: Its {8}{4$}

Step-by-step explanation:

because 7.9 rounds up to 8 and 3.89 rounds up to four.

A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = -0.06x^2 + 10.1x + 5, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. How far horizontally from its starting point will the rocket land?

Answers

Answer:

The horizontal distance from the starting point when rocket lands is:

168.83 meters.

Step-by-step explanation:

We are given a function that models the height of the rocket when it is 'x' meters away from the starting point.

The function is:

$y=-0.06x^2+10.1x+5$

Now we are asked to find the horizontal distance from the starting point when the rocket will land.

i.e. we are asked to find 'x' ; when y=0

i.e.

Let y=0

$-0.06x^2+1.01x+5=0\n\ni.e.\n\n6x^2-1010x-500=0$

on solving the quadratic equation we obtain:

$x=-0.49360\ and\ x=(125)/(6)=168.83$

As the distance can't be negative.

Hence, the viable solution is:

x=168.83

Hello,

y=-0.06x²+10.1x+5
==>6x²-1010x-500=0
Δ=1010²+4*6*500=1032100=(1015,92...)²
x=(1010-1015.92...)/12 <0 exclude
or x=(1010+1015.92..)/12=168.826935... (m)

Subtract 8.263 from 13.48, you obtain

Answers

Hey There!

Steps to solve (Steps will be in numerical order)

1. Set up the equation 13.480-8.2633.

2. Since you have to subtract from left to right, First subtract 10-3=7, you get the 10 because you have to regroup, regrouping means taking away from tens . Since you regrouped 0, you have to take away one number from 8, so now you have to solve 7-6=1, next is 4-2=2, you have to solve 3-8 now, since you cant subtract 3-8, you regroup and change 3 to 13, now you are solving 13-8 which equals to 5, next since you regrouped you subtract 1-1 which equals zero.

In conclusion, 13.480-8.263=5.217

Hope This Helped :)

Can someone please help me with the problems that aren't done please ASAP

Answers

I believe #8 would be 0.6, and #10 would be 65%.

Number 2. You first need to conver those two fractions to decimals to so 3/5 is 0.60 and 1/4 is 0.25 so this is the order: 1/4 , 0.4 , 0.55 ,3/5

Courtney reads around 110 words per minute. She procrastinated and now has less than a week to finish her reading assignment. If the book she needs to finish has another 820 pages left and each page has around 350 words, how many hours should she set aside to complete her assignment? Show your work to receive full credit. (10 points)

Answers

First we figure out how many words in total she has to read.
This would be the (number of pages) times (number of words per page).

820 * 350 = 287000
so she has to read 287000 words

we divide this by 110 to get how long it would take for her to finish (in minutes)
287000 / 110 = 2609.09090909....

then since there are 60 minutes in an hour, we divide that number by 60
2609.09090909... / 60 = 43.48484848...

Therefore it would take her about 43.5 hours to complete her assignment.

Answer:

43.5 hours

Step-by-step explanation:

Courtney needs to set aside at least 43.5 hours. We need to figure out many words she needs to read in total.So we need to do 820 * 350287000.We then need to divide by 110 so we can the time in minutes. 2609.09090909....Then we divide the number 60 since the question is asking us for hours. Therefore it would take her about 43.5 hours to complete her assignment

The combined land area of the countries A and B is 157,973 square kilometers. Country A is larger by 773 square kilometers. Determine the land area of each country.

Answers

The combined land areas of country A & B are 157,973 sq km. COuntry A is larger by 773 sq kn. The land area of Country A is 79,373, the land area of Country B is 78,600.

A + B = 157,973
A = B + 773

now its just a matter of subbing
(B + 773) + B = 157,973
2B + 773 = 157,973
2B = 157,973 - 773
2B = 157,200
B = 157,200/2
B = 78,600 <=== land area for country B

A = B + 773
A = 78,600 + 773
A = 79,373 <== land area for country A

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