Approximately how many degrees are in the measure of an interior angle of a regular seven sided polygon?102.9
128.6
180.0
231.4

Answers

Answer 1

Answer: 128.6 because
360 ÷ 7 = 51.42 aprox
180 - 51.42 = 128.58 (rounded up to 128.6)

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The area of a rectangular garden in square feet is x^2+35x-450. The width is (x-10) feet. What is the length of the garden?

Answers

x^2 + 35x - 450
Factor
(x + 45)(x - 10)

(x + 45) is the length

Write the ordered pair that represents YZ then find the magnitude of YZ Y(4,2) Z(2,8)

Answers

Answer:

Step-by-step explanation:

(-2, 6): 2sqrt10 units

Answer:

the correct answer is B

Step-by-step explanation:

i took the test on edg

Let f(x) = x2 − 8x + 5. Find f(−1)

Answers

f(x) = x² - 8x + 5
f(-1) = (-1)² - 8(-1) + 5
f(-1) = 1 + 8 + 5
f(-1) = 9 + 5
f(-1) = 14

$f(x) = x^2- 8x + 5$

$f(-1) = (-1)^2- 8(-1) + 5$

$f(-1) = 1 + 8 + 5$

$f(-1) = 9 + 5$

$f(-1) = 14$

Brian invested his savings in two investment funds. The $8000 that he invested in Fund A returned a 4% profit. The amount that he invested in Fund B returned a 1% profit. How much did he invest in Fund B, if both funds together returned a 2% profit?

Answers

Answer: Brian invested $16000 in Fund B .

Step-by-step explanation:

Let x be the amount Brian invested in Fund B.

Given, The $8000 that he invested in Fund A returned a 4% profit. The amount that he invested in Fund B returned a 1% profit.

i.e. profit on Fund A = 4% of 8000 = 0.04 ×8000 = $320

Profit on Fund B = 1% of x = 0.01x

Together they earn 1% profit, i.e. Combined profit = 2% of (8000+x)

= 0.02(8000+x)

As per question,

Combined profit=Profit on Fund A+Profit on Fund B

$\Rightarrow\ 0.02(8000+x) =320+0.01x\n\n\Rightarrow\ 0.02(8000) +0.02x=320+0.01x\n\n\Rightarrow\ 160+0.02x=320+0.01x\n\n\Rightarrow\ 0.02x-0.01x=320-160\n\n\Rightarrow\ 0.01x=160\n\n\Rightarrow\ x=(160)/(0.01)\n\n\Rightarrow\ x=16000$