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Elenna [48]
3 years ago
5

What is 15persent of 2.15

Mathematics
1 answer:
Tanya [424]3 years ago
8 0
15% of 2.5 is 0.375  
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Which expression is equivalent to 16^2 − 36? (Explain)
seropon [69]

Answer:

4(2x-3)(2x + 3)

Step-by-step explanation:

Here, we want to simplify the given expression

we can have;

16x^2-36

= 4(4x^2 -9)

we can use the difference of two squares

where;

a^2 - b^2 = (a-b)(a + b)

= 4(2x-3)(2x+ 3)

6 0
2 years ago
Amirah volunteers at the recycling center every weekend. Last weekend, she helped sort 263 pounds of cans and bottles 668 pounds
Evgesh-ka [11]

Answer:

The total amount of recyclables sorted by Amirah is 931 pounds.

Step-by-step explanation:

Amount of cans and bottles sorted  = 263 pounds

Amount of paper sorted  =  668 pounds

So, the total amount of recyclables sorted

= amount of cans and bottle sorted + amount of paper sorted

= 263 pounds + 668 pounds

= 931 pounds

Hence, the total amount of recyclables sorted is 931 pounds.

3 0
3 years ago
PLEASE HELP DUE IN A FEW MINUTES 26 POINTS<br><br> Calculate the size of the unknown angle
MAXImum [283]

Answer: 35 degrees

Step-by-step explanation: 180-145=35

5 0
3 years ago
Read 2 more answers
An arrow is shot vertically upward at a rate of 280 feet per second. Use the projectile formula
vfiekz [6]

Time is 16.75 seconds when the arrow reaches 200 ft

Step-by-step explanation:

  • Step 1: Find time at height of 200 ft

Height = 200 ft

v = 280 ft/s

Projectile formula, h = -16t² + vt

⇒ 200 = -16t² + 280t

⇒ 16t² - 280t + 200 = 0

⇒ 2t² - 35t + 25 = 0 (dividing by common factor 8)

Using quadratic formula to find t

t = (35 ±√35² - 4×2×25)/2×2

t = (35 ±√1225 - 200)4 = 35 ± 32.02/4

∴ t = 67/4 or 3/4  

t = 16.75 seconds

4 0
3 years ago
Oliver lives in a state with no state income tax. He pays $150 in payroll tax each week. If the federal income tax is 0.75 of th
shepuryov [24]
The other taxes amount to $37.5.
6 0
3 years ago
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