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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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1. Wendy wants to find the width, AB, of a river. She walks along the edge of the river 300 ft and marks point C. Then she walks
Ierofanga [76]

It can be deduced that the triangles are similar because the three internal angles are equal for both triangles.

<h3>How to solve the triangle?</h3>

It should be noted that the triangles are similar because the three internal angles are equal.

In this case, the ratio of the corresponding sides are equal and the corresponding angles are congruent.

The width of the river will be:

300/80 = AB/50

AB = (300 × 50)/80

AB = 187.50 feet.

Learn more about triangles on:

brainly.com/question/17335144

7 0
2 years ago
What is the product of 3x(x + 4)<br> cOf
Lyrx [107]

Answer:

3x²+12x

Step-by-step explanation:

Expand the brackets

6 0
3 years ago
Help with these please and highly appreciate the help !!!!!!!
k0ka [10]
Which one will we start with? I'll explain 21. multiply it out and the clean it up. you should end up with 140=A if I'm correct.
7 0
3 years ago
Brandon is selling gift cards. He earns a one-time pay out of $159 and then earns $30 for each gift card he sells. Write a equat
quester [9]

Answer:

g * $30 = p

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He earns $30 per gift card.

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4 0
3 years ago
The area of a square is (36d^2 - 360d + 9) in^2.
Ber [7]

Answer:

Step-by-step explanation:

36 d²-36 d+9=9(4d²+4d+1)

=9[4d²+2d+2d+1]

=9[2d(2d+1)+1(2d+1)]

=9(2d+1)(2d+1)

=9(2d+1)²

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8 0
3 years ago
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