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andre [41]
2 years ago
7

If a florist uses 100 roses to make 5 identical flower arrangements, how many roses would the florist use to create 4 identical

arrangements
Mathematics
1 answer:
denis23 [38]2 years ago
6 0

Answer:

80 roses

Step-by-step explanation:

Divide 100 by 5 to find the unit rate, which is 20 roses for every flower arrangement. Multiply 20 by 4 to find how many roses the florist would use for 4 arrangements.

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The value of y varies directly with x and y=3 when x=-6. Find y when x=1
Iteru [2.4K]
Hi, ok all you need to do is use the direct variation formula which is= y/x=y/x so you will replace your numbers by each value which get us to = 3/-6=y/1 so you cross multiply which gives us 3=-6y you divide 3 by -6 and that is the value of y, thank you for reading hope it helps ;)
6 0
3 years ago
Can someone help me please​
riadik2000 [5.3K]

Answer:

50 People

Step-by-step explanation:

The answer must be 50 people because if you add up all the data it shows

6 0
3 years ago
Which number has the greatest value? <br><br>a) 0.38<br>b) 08.2<br>c) 02.8<br>d) 2.80
Elis [28]

Answer:

the correct answer would be b)8.2

Step-by-step explanation:


6 0
3 years ago
Read 2 more answers
An observer (O) spots a plane flying at a 42° angle to his horizontal line of sight. If the plane is flying at an altitude of 15
NeTakaya

Answer:

D. 22,417 feet

Step-by-step explanation:

Fine the diagram in the attachment for proper elucidation. Using the SOH, CAH, TOA trigonometry identity to solve for the distance (x) from the plane (P) to the observer (O), the longest side x is the hypotenuse and the side facing the angle of elevation is the opposite.

Hypotenuse = x and Opposite = 15,000feet

According to SOH;

sin 42^0 = \frac{Opposite}{Hypotenuse} \\\\Sin42^0 = \frac{15000}{x}\\ \\x = \frac{15000}{sin42^0}\\\\ \\

x = \frac{15000}{ 0.6691} \\\\x = 22,417 feet

Hence the distance (x) from the plane P to the observer O is approximately 22,417 feet

3 0
3 years ago
Some researchers are interested in the GPA difference between freshmen and sophomores. The distributionsof GPAs in both groups a
Sonja [21]

Answer and Step-by-step explanation:

a)

expected value for the difference in sample means=3.5-3.2=0.3

b)

standard deviation of the sampling distribution of the difference in sample means

=sqrt((0.5^2/40)+(0.8^2/40))

=0.1492

c)

z=(0.3-0)/0.1492

z=2.01

P(z>2.01)=0.0222

6 0
3 years ago
Read 2 more answers
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