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sammy [17]
3 years ago
14

70 points if you help me!!!!!!!!!!!!!!

Mathematics
2 answers:
vladimir2022 [97]3 years ago
5 0
The answer is the portion of grandparents that feel safe entering their account information online is about 0.32  

so it is the last answer! Thank you!!
Evgen [1.6K]3 years ago
5 0
Its D) Because that is the only reasonable answer. Hope this help!!!
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3. Ellie can type 105 words in 3 minutes.
Marta_Voda [28]

Answer:

Step-by-step explanation:

Ellie:; 105/3 = 35 wpm

Vivian: 120/4 = 30 wpm

6 0
3 years ago
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Find the Quotient.<br>2,874 - 4​
Tanya [424]

Answer:

718.5

Step-by-step explanation:

First, you see how many times 4 can go into 28. Then divide by 74. To get 718.5

3 0
2 years ago
The recommended angle for a firefighting ladder is 75°. When a 110-foot ladder
Licemer1 [7]

Answer:106.38 feet

Step-by-step explanation:

This can be solved by using pythagoras theorem

 

c=110 feet

b=28 feet

a=?

a=sqrt(110^2-28^2)

=sqrt(12100-784)

=sqrt(11316)

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3 0
3 years ago
Evan tosses a ball from the roof of a building. The path of the ball can be modelled
DiKsa [7]

Answer:

Please find attached sketch of the path of the ball, having plot area and plot points, created with MS Excel

Step-by-step explanation:

Question;

The equation representing the path of the ball obtained from a similar question posted online are;

h₁ = -4·(t + 1)·(t - 5), h₂ = -4·(t - 2)² + 36, h₃ = -4··t² + 16·t + 20

The above equations represent the same path

The equation, h₁ = -4·(t + 1)·(t - 5), gives the roots of the height function, h(t), used in determining the height of the ball after time <em>t</em>

At (t + 1) = 0 (t = -1) or at (t - 5) = 0 (t = 5), the ball is at ground level

The ball reaches the ground, is at ground level at t = 1, and at t = 5 seconds after being tossed, where h(t) = 0

The equation of the path of the ball in vertex form, y = a·(x - 2)² + k, is h₂ = -4·(t - 2)² + 36, where, by comparison, we have;

The vertex of the ball = The maximum height reached by the ball  = (h, k) = (2, 36)

The coefficient of the quadratic term, t², is negative, therefore, the shape of the parabola is upside down, ∩, shape

The sketch of the path of the ball created with MS Excel, used in plotting the vertex, the initial value and the root points of the parabola, through which the ball passes and joining of the points with a 'smooth' curve is attached

5 0
2 years ago
Anyone wanna help with this?????
madreJ [45]
The answer is c hope it’s right
4 0
2 years ago
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