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I am Lyosha [343]
3 years ago
12

Evaluate: 21°(3n + 7) = [?]

Mathematics
1 answer:
Basile [38]3 years ago
5 0
21(3n+7)=?
(63n+147)=? After multiplying
63/147=2.33333. After dividing 147/63 plz let me know if I’m wrong.

Answer: 21(3n+7)=2.33333
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A TV with marked price Rs.16000 is available on 15% off. Then its selling price is
erastovalidia [21]

Answer:

13600

Step-by-step explanation:

Số tiền đã được giảm là :  16000 x 15% = 2400 Rs

Giá bán của chiếc TV là : 16000-2400= 13600 Rs

8 0
3 years ago
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Can you help me?<br> do any of ya'll know what the slope of f(x)=2x-1 is?
Cerrena [4.2K]
F(x) is written in mx + b form for linear equation. so we have m =2 and b =  -1
m represents the slope so the slope is 2
4 0
3 years ago
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Need help ASAP please​
victus00 [196]

Answer:

x = 5

Step-by-step explanation:

im too tired to explain just trust me

(5) + 2 = 7

2(5) + 3 = 13

13 * 7 = 91

4 0
3 years ago
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Amanda measures the top of an 80 cm
Artist 52 [7]

Answer:

Amanda's percent of error: = .03 or 3% Dwyane's percent of error: = .02 = 2%

Looks like Amanda had the larger error.

3 0
2 years ago
Part A: Sam rented a boat at $225 for 2 days. If he rents the same boat for 5 days, he has to pay a total rent of $480.
baherus [9]
First find the slope using the two points (2,225) and (5,480)
(480-225)/(5-2) = 85
Then find b.
225 = 85*2 + b
225 = 170 + b
55 = b
y = 85x + 55 OR f(x) = 85x + 55 This is the answer to PART B.
Standard form PART A is 85x - y = 55
PART C Plot the y intercept, 55. From the y intercept count the slope 85 up right 1 and plot a point, draw a line through the points
The x axis is the number of days so it would be in intervals of 1.
The y axis is money, I would do intervals of $5
7 0
3 years ago
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