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Sidana [21]
3 years ago
15

Halving and doubling strategy 28 x 50

Mathematics
1 answer:
enyata [817]3 years ago
7 0
Um 100 idk BUT IM JUST ANSWERING
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Write the mixed number as a percent. <br><img src="https://tex.z-dn.net/?f=1%20%20%5Cfrac%7B1%7D%7B4%7D%20" id="TexFormula1" tit
Nataly_w [17]
125% I am pretty sure
3 0
3 years ago
Bridgette has $200 in a savings account that earns 10% annually. The interest is not compounded. How much interest will she earn
Pachacha [2.7K]

Answer:

$20

Step-by-step explanation:

10% = 10/100 = 0.1

So 10% of 200 = 200 x 0.1 = 20

6 0
3 years ago
What is the slope-intercept form of the function that contains the points (6, 2) and (4, 8)?
Alenkasestr [34]
Slope Formula- y2-y1/x2-x1. So let's plug our x and y's. 8-2/4-6=6/-2=-3. And that's our answer.
8 0
3 years ago
What is the instataneous rate of change at x=2 of the function f given by f(x)= x^2-2÷x-1​
Dima020 [189]

Answer:

4.5

Step-by-step explanation:

To find the instantaneous rate of chance, take the derivative:

f(x) =  {x}^{2}  -  \frac{2}{x}  - 1 \\  \frac{d}{dx} f(x) = 2x +  \frac{2}{ {x}^{2} }

Remember to use power rule:

\frac{d}{dx}  {x}^{a}  = a {x}^{a - 1}

To differentiate -2/x, think of it as:

- 2 {x}^{ - 1}

Then, substitute 2 for x:

2(2) +  \frac{2}{ {2}^{2} }  \\ 4 +  \frac{2}{4}  = 4.5

6 0
3 years ago
Read 2 more answers
Solve 3^^^x−5 = 9. <br> A. x = −3 <br> B.x = 2 <br> C. x = 7 <br> D. x = 8
yaroslaw [1]

Answer:

x=7

Step-by-step explanation:

3^(x-5)=9

3^(x-5)=3^2

x-5=2

x=7

7 0
3 years ago
Read 2 more answers
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