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tankabanditka [31]
2 years ago
15

1 (66 divided by 6)+31"

Mathematics
1 answer:
Juliette [100K]2 years ago
6 0

Answer:

1. 42

2. 6

3. 18

4. 0

5. - 2

Step-by-step explanation:

Use BIDMAS

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Given h(a) = 5x – 2. find h(5)​
Maru [420]

Answer:

23

Step-by-step explanation:

h(a) = 5x-2

h(5) = 5(5)-2

h(5) = 25-2

h(5) = 23

8 0
3 years ago
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A store that buys and sells used video games buys a game at a cost of ​$9 and sells it at a selling price of ​$13. Find the mark
Bingel [31]
Markup = $4
b) markup as a percentage of cost is 33.3%
Step-by-step explanation:
Markup
markup = selling price - cost
= $13 - 9
... markup = $3
Markup as a Percentage of Cost
To find the percent markup, divide the markup by the reference value and multiply the ratio by 100%. The reference value for markup is usually cost price, but sometimes may be selling price.
... markup / cost × 100% = 3/9×100% = 33 1/3% ≈ 33.3%
4 0
3 years ago
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PLEASE HELP ASAP!!!!!!!!!!!!!
Alchen [17]

Answer:

3 + 8 times 3 +27 times 3 + 64 times 3+ 125 times 3  + 216 times 3+ 343 times 3

2352 cubic units^3

Step-by-step explanation:

3 0
2 years ago
Solve the equation by completing the square. 0=4x^2-72x
Butoxors [25]

Answer:

Step-by-step explanation:

First we need to make sure that the leading coefficient is a 1.  Ours is a 4, so we need to factor it out, leaving us with

4(x^2-18x)=0

To complete the square, take half the linear term, square it, then add it to both sides.  But don't forget about that 4 hanging around out front, refusing to be ignored.  Our linear term is 18.  Half of 18 is 9, and 9 squared is 81.  Add 81 into the parenthesis, but what we REALLY added in was 4*81 which is 324:

4(x^2-18x+81)=324

To solve this, we need to get the x terms all by themselves.  So let's divide both sides by 4 to get

x^2-18x+81=81

The process of completing the square created a perfect square binomial on the left.  We will state this binomial now:

(x-9)^2=81

We isolate the x term by taking the square root of both sides:

x - 9 = ±9

From that we have 2 equations:

x - 9 = 9 and x - 9 = -9

Which means that x = 18 or x = 0

6 0
3 years ago
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Why isn’t -3 a whole number? please answer asap
Musya8 [376]

Answer:

-3 is not a whole number because the whole number is like a zero , no fraction or demical part and <u>no negative</u>

<em>Hope</em><em> this</em><em> helps</em><em> </em><em>:</em><em>)</em>

Step-by-step explanation:

-3 has negative sign so it's not a whole number

5 0
3 years ago
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