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KatRina [158]
4 years ago
14

Solve the equation x2 – 12x =9

Mathematics
1 answer:
lord [1]4 years ago
3 0

x = 3 \sqrt{5}  + 6 = 12.708203

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Lucy has 4 inches of ribbon that she wants to cut into 6 equal-sized pieces.
Anni [7]

Answer: 4 inches/ 6 = 0.67 inches

each piece of ribbon is 0.67 inches or 2/3 of an inch in length

Step-by-step explanation:

6 0
3 years ago
The total amount paid on a 35 year loan was $98,000. If the interest rate was 4.1% and compounded monthly, what was the principa
Levart [38]

Answer:

The principal amount was $23,393.45

Step-by-step explanation:

The total amount paid on a 35 year loan was $98,000 at the rate of interest 4.1%

We will calculate Principal amount by this formula

A=P(1+\frac{r}{n})^{nt}

Where A = amount (98,000)

           P = Principal amount (P)

           r = rate of interest 4.1% (0.041)

           n = number of compounding interest monthly (12)

           t = time (35 years)

98,000=P(1+\frac{0.041}{12})^{(12)(35)}

98,000=P(1+0.003416)^{(420)}

98,000=P(1.003416)^{(420)}

98,000 = P(4.189386)

= 4.189386P = 98,000

P = \frac{98000}{4.189386}

P = 23,392.4494 ≈ $23,392.45

The principal amount was $23,393.45

5 0
4 years ago
Read 2 more answers
Which ratio correctly compares 120 cm to 80 mm? A. 3 to 20 B. 3 to 2 C. 15 to 1 D. 150 to 1
AURORKA [14]
120 ÷ 80 = 1.5 and 1.5 = 3/2
So A is correct

8 0
3 years ago
The residuals represent the:________. a. the difference between the actual Y values and the mean of Y b. the square root of the
Mamont248 [21]

Answer:

Differences between the actual Y values and the predicted Y values.

Step-by-step explanation:

The residuals represent the Differences between the actual Y values and the predicted Y values.

Residual is the difference between the measured value and the predicted value of a regression model. It is important to understand residuals because they show how accurate a mathematical function, such as a line, is in representing a set of data.

6 0
3 years ago
Hi Guys <br> Can you please help me with this? <br> Thanks so much!
Katyanochek1 [597]
A. 1 4/5 + 3 1/8 + 1/2 = 217/40 = 5 17/40 total consumed

B. 6 - 5 17/40 = 23/40 subtract total consumed from original 6
5 0
3 years ago
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