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Airida [17]
3 years ago
6

(98 points) BEST EXPLANATION + CORRECT ANSWER GETS BRAINLIEST!

Mathematics
2 answers:
melamori03 [73]3 years ago
8 0

Answer:

C

Step-by-step explanation:

143+33=176

176÷2=88

~batmans wife dun dun dun....

lidiya [134]3 years ago
4 0
It's a vertical angle. Add the two angles 143+33=176
then divide by 2 , 176÷2=88

the answer is C. 88°
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Answer:

the ones with a line above the numbers are repeating decimals

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3 years ago
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17 please help me......................
Vaselesa [24]
I think its (6.5+3.25)÷0.2=48.75

dont quote me on that, I tried and I'm not the best at math lol.
(6.5 + 3.25) \div 0.2
8 0
2 years ago
40% of _ =$10:00<br><br> A $0.25<br> B $4.00<br> C $25.00<br> D $40.00<br> E none of these
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B $4.00
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4 0
3 years ago
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To get the value of an expression you add
frez [133]
When we substitute a specific valuefor each variable, and then perform the operations, it's called evaluating theexpression. Let's evaluate theexpression 3y + 2y when 5 = y. Click on the steps to see how it's done. Perform the operations, to find the value of the expression.
6 0
3 years ago
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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
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