Answer: 30y + 15x
If x is for sneakers, and y is for high heels, plug 15 in for a and 30 in for b. This means that x is how many sneakers she buys, and y is how many high heels she buys. The equation altogether represents the total amount of her purchases.
Answer:
x=4 y=1 or (4,1)
Step-by-step explanation:
Answer:
the answer is 17 since you multiply a negative 5 by a negative which is positive 10 and add 7 to that its 17
Step-by-step explanation:
<span>2x^2+8x-7=-2
</span><span>2x^2+8x - 5 = 0
using the formula:- x = [-8 +/- sqrt(8^2 - 4*2*-5) ] / 4
= -2 +/- sqrt 104)/2
= 0.5495 , -4.549
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Answer:
you're all good !!
Step-by-step explanation: