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AveGali [126]
2 years ago
10

What are my zeros (x^2 - 8x + 1)?

Mathematics
1 answer:
Pavel [41]2 years ago
7 0

Answer:

x= 7.87298334621                          x=.12701665379

Step-by-step explanation:

This is in standard form so we have to factor this into

x^2-8x + 16 + 1 = 16

(x-4)^2 = 15

(x-4) = \sqrt{15\\}

x-4= ± 3.87298334621

x-4 = 3.87298334621                      x-4= -3.87298334621

x= 7.87298334621                          x=.12701665379

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Please help me. Thank you very much.
Alika [10]
Hello!

Your answer would be C.

Multiply 3 x 8 x 5 and 2 x 5 x 6 and add both products together and you get 120 cm3.

Hope it helps you :)
5 0
3 years ago
Twice a number plus twice a second number is 310. The difference between the numbers is 55. Find the numbers by writing and solv
yan [13]

The numbers are 105 and 50

<em><u>Solution:</u></em>

Let "x" be the first number

Let "y' be the second number

Twice a number plus twice a second number is 310

Therefore,

twice of x + twice of y = 310

2x + 2y = 310 ---------- eqn 1

The difference between the numbers is 55

x - y = 55 -------- eqn 2

<em><u>Let us solve eqn 1 and eqn 2</u></em>

From eqn 2,

x = 55 + y ------ eqn 3

<em><u>Substitute eqn 3 in eqn 1</u></em>

2(55 + y) + 2y = 310

110 + 2y + 2y = 310

4y = 310 - 110

4y = 200

<h3>y = 50</h3>

<em><u>Substitute y = 50 in eqn 3</u></em>

x = 55 + 50

<h3>x = 105</h3>

Thus the numbers are 105 and 50

7 0
3 years ago
What is the missing number? 5/8 =?/64 plz hury
PSYCHO15rus [73]

Answer:

40

Step-by-step explanation:

5 / 8 = x / 64

5 / 8 x 64 = x / 64 x 64

5 x 8 = x

40 = x

I hope this helps :)

7 0
3 years ago
Read 2 more answers
Aggie is an Australian exchange student in China, and she currently has 14,000 yuan in her bank account. If the exchange rate ch
Evgen [1.6K]
Find the value in Australian dollars for each exchange rate. 
<span>1st exchange rate: </span>
<span>14000/6.21= $2254.43 </span>

<span>2nd exchange rate: </span>
<span>14000/6.37= $2197.80 </span>

<span>Find the difference between the two: </span>
<span>$2254.43 - $2197.80 = $56.63 </span>

Since the first value is greater than your second one Aggie lost money and your answer is <span>It decreases by $56.63.</span>
3 0
3 years ago
The gum you like to is on sale. it is regularly priced at $1.59. Write and equation that will help determine how much you’ll sav
Mademuasel [1]
C=s-1.59 that should be the answer see ya
8 0
3 years ago
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