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lapo4ka [179]
4 years ago
8

Question 1 (1 point)

Mathematics
1 answer:
Natalija [7]4 years ago
3 0

Answer: 20, 50, and 30

Step-by-step explanation:

A fact family includes the same set of numbers. For example relating to to this Using Subtraction and addition. When adding or Subtracting you should get the same set of numbers .

= 50 - 20 = 30

50 - 20 = 30 50 - 30 = 20

50 - 20 = 30 50 - 30 = 2020 + 30 = 50

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Jason has $70 in a savings account that earns 5% interest, compounded annually.
kvv77 [185]

Answer:

$77.18

Step-by-step explanation:

A = total amount

P = principal

I = interest

A = P(1 + r/n)^n·t

A = 70(1+.05)²

A = 70(1.05)²

A = 77.175

I = A - P

5 0
3 years ago
Read 2 more answers
Which is longest?
finlep [7]

Answer:

12cm

Step-by-step explanation:

where:

c

is the hypotenuse, and

a

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b

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a

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9 cm

Rearrange the equation to isolate

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b

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=

c

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−

a

2

b

2

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(

15 cm

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2

−

(

9 cm

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2

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b

2

=

225 cm

2

−

81

cm

2

b

2

=

144 cm

2

Take the square root of both sides.

b

=

√

144 cm

2

Simplify.

b

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12 cm

3 0
2 years ago
11. A boy buys four video games from the store and a frequent Gamer discount card for $10. Later that day, he
Tamiku [17]

Answer:

Total without the discount $52.50.  Total with the discount $52.

Step-by-step explanation:

First, start by adding the 2 dollar discount to the total.  Next remove the ten dollars for the Frequent Gamer card.  This brings the total of the games to $210.  Now all you have to do is divide by 4 and you have your answer.  To get the answer with the discount skip the first step.

4 0
3 years ago
Jamie knows the lengths of 2 sides of a triangle are 8
myrzilka [38]

<em>answer  \\ 4 < s < 20 \\ solution \\ 12 - 8 < s < 12 + 8 \\  = 4 < s < 20 \\ hope \: it \: helps</em>

4 0
3 years ago
Ginny is studying a population of frogs. She determines that the population is decreasing at an average rate of 3% per year. Whe
Gala2k [10]

Answer:

f(x) = 1,200 * (0.97)ˣ

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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