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LUCKY_DIMON [66]
3 years ago
8

Need Help With This:​

Mathematics
2 answers:
Amanda [17]3 years ago
8 0
Answer:
64

Explanation:
Step 1 - Simplify the parentheses

2^5 / 2^3 • (4 - 2)^4
2^5 / 2^3 • 2^4

Step 2 - Use this formula: a / b/c = a • c/b and simplify

2^5 / 2^3 • 2^4
2^5 • 1/2^3 • 2^4
32 • 1/8 • 16

Step 3 - Divide

32 • 1/8 • 16
32 • 1 • 16/ 8
512/8

Step 4 - Simplify

512/8
64
Mekhanik [1.2K]3 years ago
3 0
You want to use PEMDAS to solve this problem.
So we do the parentheses first (4-2) = 2
Then you would do the exponent next
2 to the 5th power is 32
2 to the 3rd power is 8
(2) to the 4th power is 16
32 / 8 • 16
Then we want to do Multiplication and division from what ever comes first so in this case 32/8, which will equal 4 then we multiple 4 with 16 making the answer 64
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3 kg of potatoes and 2 kg of apples cost a total of £7.33.
KengaRu [80]

Answer:

€2.24

Step-by-step explanation:

Let, the potatoes be x and apples be y

A/c to question,

4x = 3.80

x = 0.95

And,

3x + 2y = 7.33

3*0.95 + 2y = 7.33

2y = 7.33 - 2.85

y = 4.48/2

y = €2.24

Hence, the cost of 1 kg apple (y) = €2.24

8 0
2 years ago
On a certain IQ test, eleven people averaged a 101.5. A certain reality TV star took
dem82 [27]

Answer:

59.98

Step-by-step explanation:

To find the average of a set of numbers, we sum them all together and divide them by the size of the set. Here, we start out with 11 IQ scores. We don't know what they are, but we can still set up an equation with the information we do have. Let's call the sum of those 11 score <em>s</em>. The average must be s/11, which we know is 101.5. With that, we can set up and solve and equation for <em>s</em>:

\dfrac{s}{11}=101.5\\s=101.5(11)\\s=1116.5

Let's call the score of the reality TV star <em>r</em>. If we add their score to the set, we now have <em>12</em> scores. The sum of those scores is gonna be the sum of the previous scores, 1116.5, plus the reality TV star's score, r. To find the average, we divide the sum by 12. Finally, we're told that this average is exactly 98.04. Putting all of this into an equation gives us

\dfrac{1116.5+r}{12}=98.04

We can now solve for r algebraically, first by multiplying both sides by 12:

1116.5+r=98.04(12)\\1116.5+r=1176.48

And then subtracting 1116.5 from both sides:

r=1176.48-1116.5\\r=59.98

6 0
2 years ago
An architectural drawing lists the scale as 1/4 = 1. If a bedroom measures 3 1/2 by 5 1/4 on the drawing, how large is the bedro
mars1129 [50]
The bedroom is 14x21. I hope this helps :)
3 0
3 years ago
Read 2 more answers
Round each to the nearest cent.<br> $21.277<br> $967.46
Nat2105 [25]

Answer:

21.28 and 967.46

Hope it helps have a good night :)))))))))))))))))

3 0
3 years ago
Plz help duke for 10 points
BaLLatris [955]

Answer

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2(9)

18

B) 2(10+2)

2(12)

24

C) 4*5

20

D) 10*2

20

7 0
3 years ago
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