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Romashka [77]
3 years ago
9

The sum is 12. The difference is 5​

Mathematics
1 answer:
Bas_tet [7]3 years ago
8 0
7 I think so hhhvhgcxdhhccf
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Which of these is a trinomial? <br>A. 2x^3 – 7y^3 <br>В. 5xy <br>C. 2x - 7 <br>D. x + 2y^2-7​
lianna [129]

Answer:

D. x + 2y² - 7

Step-by-step explanation:

it because it has 3 terms

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3 years ago
What is the area of a regular heptagon that has 4 inch sides and an apothem of 4.2 inches?
Lelu [443]
A = (1/2) * apothem * pperimeter
A = (1/2) * 4.2 * (4 * 7)
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3 years ago
98n^2-200 factoring special cases
Kipish [7]

Step-by-step explanation:

Factor 98n2−200

98n2−200

=2(7n+10)(7n−10)

Answer:

2(7n+10)(7n−10)

8 0
3 years ago
a fence post is 13 feet tall. a chain is attached to the fence post and fastened to the ground 7 feet from the base of the fence
marissa [1.9K]
You draw a diagram of the fence post and then you use the measurements to find the length of the chain using the pythagorean theorem. The answer is \sqrt{218} or 14.8

8 0
3 years ago
Question 9 (7 points) Adam borrows $6000 for two years at an 8% annual interest rate, what is his monthly payment? A. $250 D. $5
Oksana_A [137]

Answer:

B. $271

Step-by-step explanation:

Given,

Present value of the loan, PV = $ 6000,

Annual rate of interest = 8 % = 0.08,

So, the monthly rate of interest, r = \frac{0.08}{12},

Also, time = 2 years,

So, the total number of months, n = 24,

Hence, the monthly payment would be,

A=\frac{PV(r)}{1-(1+r)^{-n}}

=\frac{6000(\frac{0.08}{12})}{1-(1+\frac{0.08}{12})^{-24}}

=\$271.363748737

\approx \$271

Option B is correct.

6 0
3 years ago
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