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11111nata11111 [884]
2 years ago
14

Work out the size of angle x.

Mathematics
2 answers:
harina [27]2 years ago
5 0
It’s is 13
The person who answered is correct
nordsb [41]2 years ago
3 0

Answer:

according to my calculation it is 13

Step-by-step explanation:

hope I helped

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19) Mr. Kelly finds a nice little bank (GOLIATH NATIONAL BANK) to invest the money he made from his
goblinko [34]

Answer:

Step-by-step explanation:

Answer: it will take 17.5 years to double his money in the account.

Step-by-step explanation:

We would apply the formula for determining compound interest which is expressed as

A = P(1+r/n)^nt

Where

A = total amount in the account at the end of t years

r represents the interest rate.

n represents the periodic interval at which it was compounded.

P represents the principal or initial amount deposited

From the information given,

P = $500

A = 500 × 2 = $1000

r = 4% = 4/100 = 0.04

n = 4 because it was compounded 3 times in a year.

Therefore,.

1000 = 500(1 + 0.04/4)^4 × t

1000/500 = (1 + 0.01)^4t

2 = (1.01)^4t

Taking log of both sides, it becomes

Log2 = 4tlog 1.01

0.301 = 4t × 0.0043 = 0.0172t

t = 0.301/0.0172

t = 17.5 years

4 0
3 years ago
Factor the polynomial 8k^2 +80k +200
blondinia [14]
<h3>Solution:</h3>

8 {k}^{2}  + 80k + 200 \\  = 8( {k}^{2}  + 10k + 25) \\  = 8  [{k}^{2}  + 2(k)(5) +  ({5})^{2} ] \\  = 8( k + 5) ^{2}

<h3>Answer:</h3>

8( k + 5) ^{2}

<h3>Hope it helps..</h3>

ray4918 here to help

6 0
2 years ago
Katrina drinks 0.5 gallons of water per day which expression shows how to find the number of cups of water she drinks in a week
earnstyle [38]
Well we know that 1/2 a gallon (or 0.5 gallons) is equal to 8 cups. So one gallon is 16 cups. (keep this in the back of your mind)

Now to find how many cups she drinks in a day, find out how many gallons she drinks in a week.

So 0.5 (7) = 3.5

Now compute to see how many cups are in 3.5 gallons. 

Answer: 56.0001

Understand?
7 0
3 years ago
Read 2 more answers
Alannah, Colin and Hannah visit the park and collect conkers and acorns.
Alekssandra [29.7K]

Answer:

acorns

Step-by-step explanation:

20x=9y

9/20 to 5/9

5/9 of the acorns collected are from Hannah

9/20 of the conkers collected are from Hannah

5/9 is larger than 9/20

Hannah collected more acorns

8 0
2 years ago
What are the solution(s) to the quadratic equation 40 - x2 = 0?
Zanzabum

Answer:

  x=\pm2\sqrt{10}

Step-by-step explanation:

You want to solve ...

  40 -x^2=0\\\\40=x^2\qquad\text{add $x^2$}\\\\\pm\sqrt{40}=x\qquad\text{take the square root}\\\\\boxed{x=\pm2\sqrt{10}}\qquad\text{simplify}

5 0
3 years ago
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