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lana66690 [7]
3 years ago
13

Emily is picking strawberries at a speed of 3 strawberries per second. Her little sister Sophia joins Emily when there are 20 st

rawberries in Emily's basket and starts to eat these strawberries at a speed of 5 strawberries per second. When Sophia finally leaves, there are 8 strawberries in the basket. How long did Sophia stay with Emily?
Mathematics
2 answers:
ella [17]3 years ago
8 0

Answer:

6 sec

Step-by-step explanation:

Zina [86]3 years ago
6 0

Answer:

6 seconds

Step-by-step explanation:

Using the information from the problem, if Emily continues to pick 3 strawberries per second while Sophia eats 5 strawberries per second, then the amount of strawberries will decrease at a rate of 2 strawberries per second. Therefore, we can find the answer by subtracting 2 from 20 until we get to 8. Since we subtract 2 six times, the answer is 6. Hope this makes sense!

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State the zeros of the following. (x- 2) (x - 3) =0
gregori [183]

Answer:

x=2,3

Step-by-step explanation:

(x- 2) (x - 3) =0

Using the zero product property

x-2 =0                 x-3 =0

x-2+2=0+2          x-3+3 =0+3

x=2                        x+3

7 0
3 years ago
What is the correct sequence of steps for calculating 9^6 on the scientific calculator?
k0ka [10]
You multiply 9 times nine 6 times.  ~9*9*9*9*9*9~
6 0
3 years ago
Read 2 more answers
Suppose f(x) = 1/4 over the range a ≤ x ≤ b, and suppose P(X > 4) = 1/2.
Anettt [7]

Answer:

a=2

b=6

Step-by-step explanation:

Assuming a uniform distribution and that a ≤ x ≤ b, if f(x) = 1/4, then:

f(x) =\frac{1}{4}=\frac{1}{b-a}\\b-a = 4

If P(X > 4) = 1/2, then:

\frac{1}{2} = 1-(\frac{x-a}{b-a})=1-(\frac{4-a}{4})\\a-4+4 =\frac{1}{2}*4\\ a=2\\b=4+a\\b=6

The values for a and b are, respectively, 2 and 6.

3 0
3 years ago
Which of the following expressions is equivalent to the expression 2(7x+3)
alexandr1967 [171]
First you got to multiply 2x7=14x then multiply again 2x3=6 so the answer to the equation will be 2(7x+3)=(14x+6)
7 0
3 years ago
CAN ANYBODY PLS HELP
Firdavs [7]

The correct options are

5x =  - 58 \:5x + 4 =  - 54

<h3>How to find same value of x?</h3>

given that

\frac{5}{6} x +  \frac{2}{3}  =  - 9

first find value of x to obtain the equations have the same value of x.

Find the L.C.M between the 6,3

\frac{5x + 4}{6}  =  - 9

Then Cross multiplication should be done

5x + 4 =  - 9 \times 6 \\ 5x + 4 =  - 54 \\ 5x =  - 54 - 4

5x =  - 58

Hence the correct options are

5x =  - 58

5x + 4 =  - 54

Learn more about problems on equations, refer:

https://brainly.in/question/742266

#SPJ9

7 0
1 year ago
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