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Ivan
3 years ago
10

PLEASE SIMPLIFY THE EXPRESSION!!!!!

Mathematics
2 answers:
slega [8]3 years ago
5 0
(2x24)+(2x42)

I am not sure


mafiozo [28]3 years ago
3 0
2+4 is 6 - 2, because 4-2 is 2 and then you multiply 3x6 and then subtract 2 from that
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What is the area of this triangle?<br> h = 5 in.<br><br> b =10 in.
Tcecarenko [31]

Answer:

25 in²

Step-by-step explanation:

A = \frac{1}{2}hb = \frac{1}{2} × 5 × 10 = 25 in²

7 0
3 years ago
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7 0
3 years ago
the first mechanic worked for 10 hours, and the second mechanic worked for 15 hours. together they charged a total of $1300. wha
abruzzese [7]

Answer:

1st mechanic charges $55 per hour

2nd mechanic charges $50 per hour

Step-by-step explanation:

Suppose rate charged per hour for first meachnic is "x"

rate charged per hour for 2nd mechanic is "y"

So,

1st mechanic 10 hrs, 2nd mechanic 15 hrs, total charge 1300, so we can write:

10x + 15y = 1300

Also, total hourly rate of both is 105, so we can write:

x + y = 105

or

x = 105 - y

We can substitute this into 1st equation and solve for y:

10x + 15y = 1300\\10(105-y) + 15y = 1300\\1050-10y+15y=1300\\5y=250\\y=50

And x is:

x = 105 - y

x = 105 - 50

x = 55

1st mechanic charges $55 per hour

2nd mechanic charges $50 per hour

5 0
3 years ago
Find the 1st term of a sequence if the common difference = -2 and the 13th term =59
Marat540 [252]

Answer:

83

Step-by-step explanation:

<u>Formula for 13th term:</u>

t(13) = a + 12d, where a- first term, d- common difference

<u>Given</u>

  • t(13) = 59
  • d = -2
  • a = ?

<u>As per the formula for 13th term:</u>

  • 59 = a + 12*(-2)
  • 59 = a - 24
  • a = 59 + 24
  • a = 83
8 0
3 years ago
Hello !! 1 question : one serving of pasta contains 210 calories.what percentage of a 2000-calorie diet is contained in one serv
andrew11 [14]
1) 210/2000=10.5%
2) What percentage of 64.99 is 45.49?
45.49/64.99=.699
.699=69.9%
5 0
3 years ago
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