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IgorC [24]
3 years ago
5

On a test hailey answered 64 out of 75 questions correctly. What percent of her answers

Mathematics
1 answer:
MaRussiya [10]3 years ago
4 0

Answer:

                \bold{85\frac13\,\%}

Step-by-step explanation:

\dfrac{64}{75}\cdot100\,\%=\dfrac{64}{3}\cdot4\,\%=\dfrac{256}{3}\,\%=85\frac13\,\%

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Write down a division with an answer of 0.713
chubhunter [2.5K]
Notice, 3 decimals, so, we can just use 3 zeros, thus

\bf 0.\underline{713}\implies \cfrac{0713}{1\underline{000}}\implies \cfrac{713}{1000}\implies 713\div 1000
3 0
3 years ago
3/x^2-1 - 2(x+3) = 5/x+1
weqwewe [10]

Answer:

X=1.132589

Step-by-step explanation:

If im correct the answer would be x=1.132589

3

x2−1

−2(x+3)=

5

x+1

3

(x+1)(x−1)

+−2x−6=

5

x+1

Multiply all terms by (x+1)(x-1) and cancel:

3+(−2x−6)(x+1)(x−1)=5(x−1)

−2x3−6x2+2x+9=5x−5(Simplify both sides of the equation)

−2x3−6x2+2x+9−(5x−5)=5x−5−(5x−5)(Subtract 5x-5 from both sides)

−2x3−6x2−3x+14=0

(Use cubic formula)

x=1.132589

And dont forget to check your answer

3 0
3 years ago
Jim takes out a mortgage for 30 years at an interest rate of 2.49% and his monthly repayments are $986.50. What is the principal
Svetllana [295]

The principal loan amount will be 250000. P is denoted by the principal loan amount

<h3> What is the amount?</h3>

The complete repayment of money at the end of the period for which it was borrowed is referred to as the amount.

The given data in the problem is;

P is the principal loan amount

r is the rate of interest = 2.49%

n is the time period= of 30 years

The formula for the principal loan amount  is found as;

\rm P=M(1-(1+\frac{r}{12} )^{\frac{12}{n}

\rm P=986.50(1-(1+\frac{0.249}{12} )^{\frac{12}{30} }\\\\ P= 250000

Hence the principal loan amount will be 250000.

To learn more about the amount, refer to the link;

brainly.com/question/12184047

#SPJ1

6 0
2 years ago
You might need:<br> y<br> 3+<br> 2+<br> 1+<br> 2<br> -4 -3 -2 -1<br> 1<br> 2.<br> -1<br> -27<br> -3
xenn [34]

Answer:

-36

Step-by-step explanation:

3+2+1+2=8-4-3=1-2=-1-1=-2x1x2=-4-1=-5-27=-33-3=-36

7 0
2 years ago
Using the numbers -4,10, 8, 2, -3, -5 , create two expreasioms that equal 6
timama [110]
I would say take 2 from eight which equals 6
5 0
3 years ago
Read 2 more answers
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