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DanielleElmas [232]
3 years ago
10

In his backyard, peter is planting rows of tomatoes. To plant a row of tomatoes, peter needs 1 over 3 square feet. There are 10

square feet in peters backyard, so how many rows of tomatoes can peter plant?
Mathematics
2 answers:
Nimfa-mama [501]3 years ago
7 0
1 row = 1/3 feet

--------------------------------
Find number of rows:
--------------------------------
10 ÷ 1/3 = 10 x 3 = 30 

----------------------------------------------------------------
Answer: Peter can plant 30 rows of tomatoes.
----------------------------------------------------------------
Goryan [66]3 years ago
4 0
Hi there! The answer is 30 rows.

Each row requires 1 / 3 square feet.
There is a total of 10 square feet.

To find the amount of rows, we must divide.
10 \div \frac{1}{3} = \frac{10}{1} \times \frac{1}{3} = \frac{10}{1} \times \frac{3}{1} = \frac{30}{1} = 30

Therefore, Peter can plant 30 rows of tomatoes.
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Vivi is a drummer for a band. She burns 756 calories while drumming for 3hours. She burns the same number of calories per hour.
lions [1.4K]

This question uses the concept of the division.

Vivi, the band drummer, burns 765 calories in 3 hours. And she burns these calories at the same rate. Which means she burns the same amount of calories per hour.

Thus, the set up equation for this question will be:

Energy burnt in 3 hours=756 calories

Therefore, Energy burnt in 1 hour = \frac{756}{3} =252 Calories.

Thus, the required answer is that Vivi burns 252 Calories of energy per hour while drumming.

7 0
3 years ago
Differential cos^2x dy/dx =e^y-tanx​
gulaghasi [49]

Answer:

y=t−1+ce

−t

where t=tanx.

Given, cos

2

x

dx

dy

+y=tanx

⇒

dx

dy

+ysec

2

x=tanxsec

2

x ....(1)

Here P=sec

2

x⇒∫PdP=∫sec

2

xdx=tanx

∴I.F.=e

tanx

Multiplying (1) by I.F. we get

e

tanx

dx

dy

+e

tanx

ysec

2

x=e

tanx

tanxsec

2

x

Integrating both sides, we get

ye

tanx

=∫e

tanx

.tanxsec

2

xdx

Put tanx=t⇒sec

2

xdx=dt

∴ye

t

=∫te

t

dt=e

t

(t−1)+c

⇒y=t−1+ce

−t

where t=tanx

8 0
2 years ago
Find the volume of the pool shown. It consists of two prisms.
AfilCa [17]
The volume of the pool is 1,620 ft cubed
7 0
3 years ago
Read 2 more answers
Please show your work!!
jarptica [38.1K]

Answer:OK ILL HELP

Step-by-step explanation:Combine  

1

2

and  

x

.

y

=

x

2

−

3

6 0
2 years ago
A study of recent records of car accidents revealed that average proportion of drivers who were distracted by their phones at th
aksik [14]

Answer:

At least 547 records need to be studied.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence interval 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

Z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

And the margin of error is:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

95% confidence interval

So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so z = 1.96.

In this problem, we have that:

M = 0.04, p = 0.35

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

0.04 = 1.96\sqrt{\frac{0.35*0.65}{n}}

0.04\sqrt{n} = 0.93486

\sqrt{n} = 23.37

n = 546.2275

At least 547 records need to be studied.

6 0
3 years ago
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