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liberstina [14]
2 years ago
9

A family gathered 20 small sea shells from the beach brining the total number of small seashells in their collection to 41.

Mathematics
1 answer:
Novosadov [1.4K]2 years ago
5 0

Answer:

C, x + 20 = 41

Step-by-step explanation:

X represents the number of small sea shells that we originally had. When the family adds 20 more shells, that makes x + 20. The total number is 41, so that means the number of sea shells they already had (x) plus the number of sea shells they collected (20) equals the number of shells they have now (41).

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coldgirl [10]

Answer:

a.25

b.-23

c.17

Step-by-step explanation:

Plug each value in for x and solve

4 0
3 years ago
10.Adrienne is going to deposit $8,500 in an account that earns 2.5% interest for 360 months. How much more interest will she ea
suter [353]

Answer:

Difference= $3,090.15 in favor of compounded interest

Step-by-step explanation:

Giving the following information:

Present value (PV)= $8,500

Ineterest (i)= 0.025/12= 0.00208

Number of periods (n)= 360 months

<u>We will calculate the future value of each option and determine the difference:</u>

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FV= (PV*i*n) + PV

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FV= $14,864.8

<u>Compounded interest:</u>

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FV= $17,958.95

Difference= $3,090.15

6 0
2 years ago
Rita has already prepared 3 kilograms of dough and will continue preparing 1 kilogram of dough every hour. How much dough did Ri
Digiron [165]

Answer:

12

Step-by-step explanation:

9+3=12

hope it helps

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6 0
3 years ago
the bottom of a vase is a square.each side measury y+11 units.the square has a perimeter of 55 units what is the value of y?
Norma-Jean [14]

Answer:

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Step-by-step explanation:

55-11(4)=2.75

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8 0
3 years ago
Read 2 more answers
What is the slope of the line that passes through the points (-10, -8) and
bazaltina [42]
First of all we have to find the slope


m = y₂-y₁ / x₂-x₁

m = -8 + 16 / -10 + 8

m = 8/-2

m = -4

y-y₁ = m (x-x₁)

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y + 8 = -4x - 40

y = -4x -40 - 8

y = -4x -48
7 0
2 years ago
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