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asambeis [7]
2 years ago
12

Please Help!!

Mathematics
1 answer:
Margaret [11]2 years ago
8 0
That’s literally the easy problem ever
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What is the value of <img src="https://tex.z-dn.net/?f=%5Cfrac%7Bx2%7D%7By1%7D" id="TexFormula1" title="\frac{x2}{y1}" alt="\fra
matrenka [14]

Answer:

80

Step-by-step explanation:

Insert the values or x and y into the expression.

\frac{20^{2} }{5} = \frac{400}{5} = 80

7 0
3 years ago
URGENT!!!!!!!!!!!!!!!!!!!!!!!!!!!!! WILL GIVE BRAINLIEST AND 25 POINTS!!!!!!!!!!!!!!
kati45 [8]

Answer:

Because D = 24 and this is bigger then zero, there are two real solutions.

Step-by-step explanation:

if the discriminant (D) has a positive number, then there are two real solutions. So let's calculate the value of D.

-2x² + 3 = 0

a = -2

b = 0

c = 3

D = b² - 4 * a * c

Substitute the values of a, b and c and you get...

D = 0² - 4 * -2 * 3

D = 24

Because D = 24 and this is bigger then zero, there are two real solutions.

5 0
3 years ago
A jacket is on sale for 70% of the original price. If the discount saves $45 what was the original price of the jacket? What is
vlada-n [284]

Answer:

original price= $150, sale price= $105

Step-by-step explanation:

since it is on sale for 70% of original price, there is 30% off discount.

$45 is 30% of original price (original price is 100%)

1% of original price

= $45 ÷ 30

= $1.50

original price

= $1.50 × 100

=$150

sale price (70% of original price)

= $1.50 × 70

= $105

4 0
4 years ago
Decide!!!!!!!!!!!!!!!!
ikadub [295]

Answer:

  • 6 + 5 = 11

Step-by-step explanation:

6 + 2 = 4,  given

  • 2 → 5, move two matchsticks, #10 and #12
  • 4 → 11, move one matchstick, #18

6 + 5 = 11, correct

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3 years ago
Which number is prime?
balandron [24]
41,43,47 are prime numbers
3 0
4 years ago
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