2 years ago

Solve all four questions and I’ll give BRAINLIEST!!!!! Plz help due today..

Mathematics

2 answers:

Serggg [28]2 years ago

6 0

Answer: 4. 120 degrees 5. 13 degrees 6. 70 degrees 7. 115 degrees

neonofarm [45]2 years ago

5 0

Answer:

4)120

5)13

6)70

7)115

Step-by-step explanation:

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What type of graph would be used for names and exact heights? Continuous or discrete? Example John Jackson 74.25 icnhes tall and

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What is the range for this data set?<br>37 years<br>9 years<br>41 years

rewona [7]

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41 minus 11=

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3 years ago

A garden measures 6 feet by 7 feet. A gravel path of constant width is placed around the garden so that the total area is 72 squ

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2 years ago

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Julie drove 495 miles in 9 hours what was julies average speed in miles per hour

Tpy6a [65]

Answer:

55 miles per hour

Step-by-step explanation:

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2 years ago

Natalie picks 40 bushels in 12 hours and Mary can pick the same amount in 11 hours. how long would it take if they worked togeth

rosijanka [135]

Answer: $5.73\ hours$ or $5\ hours\ and\ 44\ minutes$

Step-by-step explanation:

You can use the following work-rate formula:

$\frac{t}{t_A}+\frac{t}{t_B}=1$

In this case let be ${t_A}$ the time it takes for Natalie to pick 40 bushels, ${t_B}$ the time it takes for Mary to pick 40 bushels and $t$ the time it takes to pick 40 bushels if they work together.

Based on the information given in the exercise, you can identify that:

$t_A=12\\\\t_B=11$

Then, knowing this values, you need to substitute them into the formula:

$\frac{t}{12}+\frac{t}{11}=1$

Finally, you must solve for "t" in order to find its value.

The result is:

$t(\frac{1}{12}+\frac{1}{11})=1\\\\t(\frac{23}{132})=1\\\\t=\frac{132}{23}\\\\t=5.73\ hours$

Since $1\ hour=60\ minutes$ :

$(0.73\ hours)(\frac{60\ minutes}{1\ hour})\approx44\ minutes$

Therefore it would take 5 hours and 44 minutes to pick 40 bushels if they worked together.

3 0

3 years ago