Answer:
x=16; y=24
Step-by-step explanation:
for (x,23), 23=0.5x+15
x=16
for (18xy), y=0.5*18+15=24
Answer:
Area: 45
Step-by-step explanation:
Kylie is wrong about the result since <span>(–4x + 9)2 will result to a perfect square trinomal. Any binomial squared will always result to a perfect square trinomial.
</span>And the expansion of the expression should be
<span>(–4x + 9)2 = </span>(-4x)2 + 2(-4x)(9) + 9^2
(–4x + 9)2 = <span>16x2 - 72x + 18
She missed doing the middle term in doing the multiplication
</span>
Answer:
from my understanding of math, yes
Step-by-step explanation:
Here is one of the ways, first you are going to convert the 2% into a fraction.
2% = 0.02
Next we are going to multiply 0.02 * 57 = 1.14
Now we are going to add 1.14 to 57 to find the total cost with including the tax.
1.14 + 57 = 58.14
= $ 58.14