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PSYCHO15rus [73]
3 years ago
11

5-12 please it’s due in half an hour

Mathematics
2 answers:
Ber [7]3 years ago
8 0
The answer to number 5 is 128
iren2701 [21]3 years ago
7 0

Answer:

5) 128

6)-72

7)45

8)3xy2-3

9) 16/9

10) 40000

11)-8

12)21

Step-by-step explanation:

hope this helps

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What's 5 5/6 as a improper fraction
yawa3891 [41]
Answer: 35/6
Work: 5*6=30
30+5=35
35/6
7 0
4 years ago
In triangle ABC, what is the length of side b if B = 48°, C = 81°, and c = 25?
Gekata [30.6K]
The angles should add up to 180. 48 + 81 = 129
180 - 129 = 51

2 sides need to be equal. 25 + 25 = 50

Now solve for b.
7 0
4 years ago
HELP ME PLEASEEEEEEEEE
Nataliya [291]

Answer:

a)This solution matches with the original equation and its solution

b)This solution matches with the original equation and its solution

c)This solution <em><u>does not</u></em> match with the original equation and its solution. Though the solution is correct the original given equation cannot be used.

d)This solution <em><u>does not</u></em> match with the original equation and its solution. Though the solution is correct the original given equation cannot be used.

Step-by-step explanation:

i) Which scenarios can be solved by 1.5x +  2.25 = 12.75. Select all that apply and note the given solution.

therefore 1.5x = 10.5   therefore x  = 7

a) let the number be x

   therefore if \frac{3}{2} x + \frac{9}{4}  = \frac{51}{4}  \Rightarrow  1.5x + 2.25 = 12.75  then the number x = 7.

 This solution matches with the original equation and its solution

b.) If a taxi driver charges a flat fee of $2.25 and $1.5 per mile, where the

     number of mile = x, then the number of miles Juan can ride the taxi for

     $12.75 is x = 7.

This solution matches with the original equation and its solution

c)if nine quarters of a number, say x, increased by three halves is fifty one

   quarters, the number is x = 5,

   \frac{9}{4} x + \frac{3}{2}  = \frac{51}{4}  \Rightarrow  9x = 51 - 6 = 45 \therefore x = 5

This solution <em><u>does not</u></em> match with the original equation and its solution. Though the solution is correct the original given equation cannot be used.

d.)   If a taxi driver charges a flat fee of $1.5 and $2.25 per mile, where the

     number of mile = x, then the number of miles Juan can ride the taxi for

     $12.75 is x = 5.

2.25x + 1.5  = 12.75  \Rightarrow  9x = 51 - 6 = 45 \therefore x = 5

This solution <em><u>does not</u></em> match with the original equation and its solution. Though the solution is correct the original given equation cannot be used.

3 0
4 years ago
Leonardo recorded his speed while skateboarding and determined he was traveling 18 feet per sec. How many feet could he travel i
hichkok12 [17]
The answer is 1080 ft/min
7 0
3 years ago
over the weekend Mario rode 43 miles. On Sunday he rode 3 miles more than 2/3 his distance on Saturday. How many miles did he ri
Ierofanga [76]
X+ (2x/3 +3) = 43
3x + 2x + 9 = 43
5x + 9 = 43
5x = 34
x =  \frac{34}{5}
8 0
4 years ago
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