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podryga [215]
2 years ago
10

URGENT!!!

Mathematics
1 answer:
MatroZZZ [7]2 years ago
6 0

Answer: 0.15%

Step-by-step explanation: edmentum

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PLSSS HELP IMMEDIATELY!!!!!!! only answer if u know. i’ll be giving brainiest if u don’t leave a link.
podryga [215]

Answer:

1. isosceles because two of the sides are equal

2. right because there is a right angle

Step-by-step explanation:

7 0
3 years ago
Mrs. Saddler and her family go out for dinner. Their bill was $55.25. Mrs. Saddler leaves a 18% tip. What is Mrs. Saddler’s tota
olchik [2.2K]
You multiply 55.25 by 0.18. You get 9.945 and then you add it to 55.25. You should get 65.195. Round it to $65.20. That's your answer.
5 0
3 years ago
Whats 4n = 880.4's solution??
vodka [1.7K]

Answer:

n = 220.1

Step-by-step explanation:

  • 4n = 880.4
  • n = 880.4 ÷ 4
  • n = 220.1

the value of n is 220.1

6 0
2 years ago
A sample of 75 concrete blocks had a mean mass of 38.3 kg with a standard deviation of 0.6 kg.
Scilla [17]
The answer will be a
8 0
3 years ago
The height 'h' (in feet) of a ball in a baseball game can be modeled by h = -16t² + 28t + 8 , where 't' is the time (in seconds)
lidiya [134]

Answer:

  a)  No. t < 0 is not part of the useful domain of the function

  b) 2.0 seconds

Step-by-step explanation:

a) A graph of the function is shown below. It shows t-intercepts at t=-0.25 and t=2.0. We presume that t is measured forward from some event such as the ball being thrown or hit. The model's predicted ball location has no meaning prior to that event, when values of t are negative.

__

b) It is convenient to use a graphing calculator to find the t-intercepts. Or, the equation can be solved for h=0 any of several ways algebraically. One is by factoring.

  h = 0 = -16t² +28t +8 . . . . . . . . . . . . the ball hits the ground when h = 0

  0 = -4(4t² -7t -2) = -4(4t +1)(t -2)

This has t-intercepts where the factors are zero, at t=-1/4 and t=2.

The ball will hit the ground after 2 seconds.

4 0
3 years ago
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