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RSB [31]
3 years ago
10

How many four digit numbers can we make from the numbers 5, 6, 7, 9 if you can repeat the digits and use the digit 5 at least on

ce?
Mathematics
1 answer:
yawa3891 [41]3 years ago
4 0
Multiply the number of choices for each position together. Three of the numbers can be repeated with the one (5) only being used once.

(4 possible choices) × (3 possible choices) × (3 possible choices) × (3 possible choices) = 4 × 3 × 3 × 3 = 108
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Dennis_Churaev [7]
Linear, decrease by 2 for every decrease of x.
3 0
3 years ago
Read 2 more answers
Calculate the future value of $7,000 earning 6% interest compounded quarterly for 7 years. (Round your answer to two decimal pla
qwelly [4]

Use the compound interest formula.

Let A = the ending amount

Let P = the principal

Let r = the interest rate

Let n = the amount compounded a year

Let t = time

A = P(1 + r/n) ^(n/t)

Substitute your numbers in

A = $7,000(1 + 0.06/4)^(4/7)

Solve for A

A = $7,059.81

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4 years ago
The manager of a grocery store wants to determine the average amount of money spent at his store as it compares to the average d
oksian1 [2.3K]

part a: $37.60

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4 0
3 years ago
Let g(x) = 2x and h(x) = x2 + 4. Evaluate (h ∘ g)(1). 2 8 10 4
Klio2033 [76]
Hello!

You can solve this by plugging 1 into g(x) and plugging the result into h(x).

g(x) = 2x
g(1) = 2(1)
g(1) = 2

h(x) = 2x + 4
h(g(1)) = 2(2) + 4
h(g(1)) = 4 + 4
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Answer:
<span>(h ∘ g)(1) = 8</span>
8 0
3 years ago
Fine the equation, in standard form, of the line passing through the points (3,-4) and (5,1)
Talja [164]

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m=\dfrac{1-(-4)}{5-3}=\dfrac{5}{2}\\\\y-(-4)=\dfrac{5}{2}(x-3)

The standard form: Ax+By=C

y+4=\dfrac{5}{2}(x-3)           <em>multiply both sides by 2</em>

2y+8=5(x+3)           <em>use distributive property</em>

2y+8=5x+15            <em>subtract 2y from both sides</em>

8=5x-2y+15          <em>subtract 15 from both sides</em>

-7=5x-2y

<h3>Answer: 5x - 2y = -7</h3>
5 0
3 years ago
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