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dezoksy [38]
3 years ago
9

Need Help ASAP. Thank You.

Mathematics
1 answer:
bekas [8.4K]3 years ago
7 0
Let, the number of hour, she can still watch the T.V. = x
Equation would be: x + 1.5 ≥ 5

Solving the equation:
x + 1.5 ≥ 5

Subtract 1.5 from both the sides, 
x + 1.5 - 1.5 ≥ 5 - 1.5
x ≥ 3.5 

In short, She can watch 3.5 hours more in that week

Hope this helps!
You might be interested in
What fraction of 2 1/2 is 48 minutes <br>​
SIZIF [17.4K]

Answer:

19.2

Step-by-step explanation:

Let x be the missing number

2 1/2x =48

5/2x =48

x=48(2/5)

x=19.2

5 0
2 years ago
Find the distance between the pair of points. Round your answer to the nearest hundredth. (-8,19) and (3,5)
Amiraneli [1.4K]

Answer:

<h3>The answer is 17.80 units</h3>

Step-by-step explanation:

The distance between two points can be found by using the formula

d =  \sqrt{ ({x1 - x2})^{2} +  ({y1 - y2})^{2}  } \\

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(-8,19) and (3,5)

The distance between them is

d =  \sqrt{ ({ - 8 - 3})^{2}  +  ({1 9 - 5})^{2} }  \\  =  \sqrt{( { - 11})^{2}  +  {14}^{2} }  \\  =  \sqrt{121 + 196}  \\  =  \sqrt{317}  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  = 17.804493...

We have the final answer as

<h3>17.80 units to the nearest hundredth</h3>

Hope this helps you

5 0
3 years ago
A new hospital tracked the number of births during its first 6 months of operation, as shown in the table. Find a quadratic func
UNO [17]
Let    x refers to the Month numbers
And  y refers to Number of births

There is 5 steps to find the quadratic function that models the data.

First step           ⇒ <span>Plot <span>the data pairs (<span>x<span>, <span>y<span>) in a coordinate plane.
                              which are the blue circles in the attached figure

Second step     ⇒ </span></span></span></span></span></span><span>Draw <span>the parabola you think best fits the data.
                             Which is the red function in the attached figure.

</span></span><span><span>Third step         ⇒</span> Estimate <span>the coordinates of three points on the
<span>                             parabola, which are (2, 108), (4, 68), and (6, 75).</span>
                             </span></span><span><span>which are the black squares in the attached figure</span>

Fourth step       ⇒ </span><span>Substitute <span>the coordinates of the points into the<span> model <span>
                            y <span>= <span>ax<span>2 <span>+ <span>bx <span>+ <span>c
<span>                            to obtain a system of three linear equations.</span>

                            4a + 2 b + c = 108   ---------(1)
                            </span></span></span></span></span></span></span></span></span></span></span><span><span>16a + 4 b + c = 68   ---------(2)</span>
                            36a + 6 b + c = 75   ---------(3)   

Fifth step   ⇒ </span><span>Solve <span>the linear system.
                      By using the calculator
                      a = 5.875 , b = -55.25 , c = 195

So, the</span></span><span> quadratic model for the data is ⇒ y = 5.875 x²- 55.25 x + 195
============================================
T</span><span>o predict the number of births for month 8
substitute with x = 8 ⇒  y = </span><span>5.875 * 8²- 55.25 * 8 + 195 = 129</span>







3 0
3 years ago
Read 2 more answers
How do you calculate -16+(-22)-14=
BlackZzzverrR [31]
-16 + (-22) - 14

First, simplify your brackets. / Your problem should look like: -16 - 22 - 14
Second, subtract -16 - 22 - 14 to get -52. / Your problem should look like: -52

Answer: -52

7 0
3 years ago
The ratio of two numbers is 5/4 and the first number is 7 more
vlada-n [284]
In this case, the numbers would be 5*7 and 4*7 which is 35 and 28 respectively
4 0
3 years ago
Read 2 more answers
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