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vagabundo [1.1K]
3 years ago
15

What is 310-20÷2×5+13

Mathematics
1 answer:
jasenka [17]3 years ago
5 0
Don't forget about PEMDAS! 
310-(20÷2×5)+15
310-50+15
275
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Farmer Emmet used to own 2,300 acres of farmland. However, he recently sold 28% of his farm to a residential developer.
kap26 [50]

9514 1404 393

Answer:

  1. 1656 acres left
  2. 644 acres sold
  3. $32,200,000

Step-by-step explanation:

1. The number of acres sold is ...

  28% × 2300 = 0.28 × 2300 = 644

Then the number of acres Emmet has left will be ...

  2300 -644 = 1656 . . . acres left

__

2. Emmet sold 644 acres.

__

3. At $50,000 per acre, the value of the land sold was ...

  $50,000 × 644 = $32,200,000 . . . . paid by the developer

5 0
2 years ago
Which will result in a diffrent of squares
Greeley [361]
 (− 7x + 4) · (− 7x − 4).
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3 years ago
Read 2 more answers
Fine the length of the hypotenuse of a Right triangle with legs pf 20cm and21cm
Arisa [49]

Hypotenuse² = perpendicular² + base²

H² = 20²+21²

H²= 400+441 = 841

H = √841

H = 29 cm

3 0
2 years ago
Write the equation 5x - y + 6 = 0 in standard form with integer<br> coefficients.
Natasha_Volkova [10]
I'm pretty sure It's  5x - y = -6

Hope I helped!
6 0
3 years ago
4. Stacey currently has an account balance of $1,007.78. Her Initial deposit on the account was $616 and it earned 5.3% simple i
Serjik [45]

Answer:

12 Years

Step-by-step explanation:

Simple interest is calculated as I = Prt, where P is the principal (amount of money invested), r = rate of interest written as decimal, and t = time

The amount started as P and incresed by Prt, so

P + Prt = 1007.78

616 + (616)(0.053)t = 1007.78

Now you need to solve for t:

Subtract 616 from both sides and simplify:

32.648t = 391.78

Divide both sides by 32.648:

t = 12

Answer: 12 years

7 0
3 years ago
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