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alekssr [168]
3 years ago
10

Solve the following system of equations using substitution.

Mathematics
1 answer:
dolphi86 [110]3 years ago
6 0
It's A. If U=16, 6+10=16
and if you plug in the numbers for the second equation it's 36=2(10)+16
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4 0
3 years ago
The simple interest on a certain sum for 5years at 8% per annum is Rs200 less than the simple interest on the same sum for 3year
Paha777 [63]

Answer:

Step-by-step explanation:

The simple interest on a certain sum for 5years at 8% per annum is Rs200 less than the simple interest on the same sum for 3years and 4months at 18% per annum.Find the sum​

The formula for Simple Interest = PRT

From above question, we have to find the Principal

The simple interest on a certain sum for 5years at 8% per annum is Rs200

Hence,

R = 8%

T = 5 years

Rs 200 = P × 8% × 5

P = 200/8% × 5

P = Rs500

The principal = Rs 500

The simple interest on the same sum for 3years and 4months at 18% per annum.

Simple Interest = PRT

R = 18%

T = 3 years and 4 months

Converted to years

T = 3 + (4 months/12 months)

T = 3.33 years

Hence,

Simple Interest = Rs 500 × 18% × 3.33 years

= Rs 299.7

7 0
3 years ago
Sara has 50 dollars to spend at an amusement park. Admission is 20 dollars, and tickets cost 1.50 per ride. Write an equation to
ra1l [238]

Answer:

20

Step-by-step explanation:

50 - 20 = 30

30 ÷ 1.50 = 20

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3 years ago
The question is in the pictureee
Bogdan [553]
A. 12 centimetres.

Hope this helps!
3 0
3 years ago
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PLS HELP ASAP...A triangle has side lengths of (10m-5) centimeters, (6m-2) centimeters, and (8n+4) centimeters. Which expression
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Answer:

12n+5m+4

Step-by-step explanation:

4 0
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