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Bad White [126]
3 years ago
15

If x= 3-2^2 then find the value of x^2+1÷x^2​

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
8 0

X = 3-2^2

Simplify x:

3-4 = -1

X = -1

Replace x in the equation and solve:

(-1) ^2 + 1 /(-1)^2

(-1)^2 = 1

Simplify to get 1 + 1/1 = 1+ 1 = 2

The answer = 2

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HELP WITH 4,5 and 6 PLEASE !!!!
WARRIOR [948]
All you do for #4 and # 5 is plug the x values FROM THE TABLE into the equation, and see if you get the y values listed in the table. You don't, so you can see that the equations DO NOT REPRESENT THE DATA IN THE TABLE. For #6 you can see from the graph that one point on the line is (1,-2) which does represent the table of values. Looking further, as each x value decreases by 1, the y value decreases by 3, so (0,-5) makes sense too, again supporting the idea that the graph DOES represent the table of values
8 0
3 years ago
If $650 is invested in a bank account that earns a nominal 2.5% yearly interest, compounded quarterly, then how much is the inve
KengaRu [80]

Answer:

\$833.97  

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

t=10\ years\\ P=\$650\\ r=2.5\%=2.5/100=0.025\\n=4  

substitute in the formula above

A=650(1+\frac{0.025}{4})^{4*10}  

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3 0
2 years ago
PLZ HELP
olasank [31]
Andy money doubled. i.e. $3000
The second day made profit. $3000 + $165
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The expression is:
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Good luck.
4 0
3 years ago
Read 2 more answers
How many ounces per hour in 3 gallons per hour?
mart [117]

Answer:

384 oz per hr

Step-by-step explanation:

3 gal per hr

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4 0
3 years ago
1
Komok [63]
<h2>54 units²</h2><h2 />

This is a compound shape. You can split it into x shapes. See Attachment

  • Rectangle - Red

Area of a Rectangle = L × B

L = 7

B = 6

7 × 6 = 42

<h3>42 units²</h3>

  • Triangle - Orange

Area of a Triangle = 1/2BH

B = 6

H = 1

1/2 × 6 × 1 = 3

<h3>3 units²</h3>
  • Triangle - Green

Area of a Triangle = 1/2BH

B = 3

H = 2

1/2 × 3 × 2 = 3

<h3>3 units²</h3>

  • Triangle - Blue

Area of a Triangle = 1/2BH

B = 2

H = 6

1/2 × 2 × 6 = 6

<h3>6 units²</h3><h3 /><h3>42 + 6 + 3 + 3 = 54</h3>

7 0
3 years ago
Read 2 more answers
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