Answer:
{x,y} = {67/16,-15/4}
Step-by-step explanation:
// Solve equation [2] for the variable y
[2] 2y = -8x + 26
[2] y = -4x + 13
// Plug this in for variable y in equation [1]
[1] 4x + 5•(-4x+13) = -2
[1] -16x = -67
// Solve equation [1] for the variable x
[1] 16x = 67
[1] x = 67/16
// By now we know this much :
x = 67/16
y = -4x+13
// Use the x value to solve for y
y = -4(67/16)+13 = -15/4
<u>Answer:</u> 5
<u>Reasoning:</u> You were born 7 years ago making you 7, now subtracting 2 from that age will result in 5.
7-2=5!
Answer: 28 inches
Step-by-step explanation:
Dividing a number by a fraction is the same as multiplying the number by the reciprocal of the fraction.
Therefore:
Answer:
13.14
Step-by-step explanation:
sin 37.5 deg = 8/x
x = 8/sin 37.5 deg
x = 13.14
(I was thinking about it as a right angled triangle although the qn did not specify but idt you can solve it by using sine / cosine rule so TOA CAH SOH may be the only one and the most direct method to solve it)