which of the following does not have any rectangular faces pentagonal prism hexagonal pyramid rectangular prism square pyramid
2 answers:
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Answer:
Katherine need to work minimum 10 hours lifeguarding to meet her requirements
Step-by-step explanation:
Given:
Rate for Lifeguarding =
Rate for walking dogs =
She had worked 2 hours walking dog
Money for walking dogs = Rate for walking dogs hours worked=
she can work a maximum of 15 total hours and must earn at least $160.
Let hours required for lifeguarding be x
Money for life guarding = Rate for walking dogs hours worked for lifrguarding=
Total Money she must earn = Money for lifeguarding + Money for walking dogs
Rounding to nearest hour
Katherine need to work minimum 10 hours lifeguarding to meet her requirements
Answer D). 9 ft is correct
Height of the ball at a horizontal distance of 10 feet is 9 ft
Step-by-step explanation:
A ball is thrown and it follows a parabolic path. At each horizontal distance (x) the following equation models the ball’s height (y).
Y(x) =
Question asked is " What will be height (Y) of the ball when X=10 ft "
Simply putting value of X in given equation
we get,
Y(x) =
Y(x) =
Y(x) =
Y(x) =
Y(x) =
<em>Therefore,</em> Height of the ball at a horizontal distance of 10 feet is 9 ft
Answer D. 9 ft is correct