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svet-max [94.6K]
2 years ago
12

Sherlock put two tomato plants in his garden. The first tomato plant produced 20 tomatoes in a 2-day period. The second tomato p

lant produced 35 tomatoes in a 3.5-day period. Are these rates proportional? Explain why or why not.
Mathematics
2 answers:
ehidna [41]2 years ago
7 0
Rate=progress/time
progress=number of tomatoes

are rates the same aka are they equal?
20/2=35/3.5?
10=35/3.5
10=70/7
10=10
true

yes they are

sleet_krkn [62]2 years ago
6 0
In order to do this we must see if
\frac{20}{2}= \frac{35}{3.5} ?

\frac{20}{2} = 10

\frac{35}{3.5} =  \frac{35}{ \frac{7}{2} } = \frac{5*2*7}{7} = 10

10 = 10 √
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The mean annual income for adult women in one city is $28,520 and the standard deviation of the incomes is $5600. The distributi
pshichka [43]

Answer:

E(\bar{x}) = 28520

Standard error of mean = 689

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = $28,520

Standard Deviation, σ = $5600

Mean of sampling distribution =

E(\bar{x}) = \mu = 28520

As per Central Limit Theorem, if the sample size is large enough, then the sampling distribution of the sample means follow approximately a normal distribution.

Sample size, n = 66

Since the sample size is large, we can use normal distribution for approximation.

Standard error of mean =

\displaystyle\frac{\sigma}{\sqrt{n}} = \frac{5600}{\sqrt{66}} = 689.31 \approx 689

7 0
3 years ago
Blank divided by 7>800
djverab [1.8K]
Hi there

Replace the blank space by x

so x/7 > 800
All you have to do is cross-multiply

x > 7*800
x> 5600


I hope that's help ! 

8 0
2 years ago
Read 2 more answers
Find the five arithmetic means between -18 and 36
Andreas93 [3]
Yeah it really be like that sometimes, you gotta try girl
5 0
3 years ago
50 POINTSS!!!!- The figure below shows the ideal pattern of movement of a herd of cattle, with the arrows showing the movement o
olga_2 [115]

Answer:

the first option

Step-by-step explanation:

solution:

distance: d=1/4 lc (because is a quarter of a circle)

length of the circumference: lc=2 pi r

pi: constant=3.14

radius of the circle: r=80 feet

replacing pi and r in the formula of lc:

lc=2 pi r

lc=2 (3.14) (80 feet)

lc=502.4 feet

replacing lc in the formula of d:

d=1/4 lc

d=1/4 (502.4 feet)

d=502.4/4 feet

d=125.6 feet

5 0
2 years ago
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What is the answer?
lukranit [14]
A) 4/9 = g/36
b) g = 16
c) 52 total pints, 8pints in a gallon, so 6.5 gallons
8 0
3 years ago
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