Answer:
12.6 units.
Step-by-step explanation:
According to cosine formula:
Using cosine formula in triangle STU, we get
Taking square root on both sides.
Therefore, the value of t is 12.6 units.
Answer: Mary needs to pay $99.36 after using the discount coupon.
Step-by-step explanation:
Find 8% of the total items price and subtracted it from the original price to find the amount she needs to pay after the discount.
8% of 108 = 8.64
108 - 8.64 = 99.36
So $99.36 will be left to pay after using the coupon.
Step-by-step explanation:
Given expression is x⁴-kx²+4 =0
x−2 is a factor of the given expression.
So, x=2
Substitute in the equation, we get
2⁴-k(2)²+4
⇒16+4k+4=0
⇒4k=−20
⇒k=−5
Answer:
A
Step-by-step explanation:
A is the only one that has points that get hit only once when performing the vertical line test. All others get hit more than once per line.