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katrin [286]
3 years ago
5

Find the solutions of 5x^2 -20x +20= 0

Mathematics
2 answers:
tino4ka555 [31]3 years ago
8 0

Answer:

x = 2

Step-by-step explanation:

sineoko [7]3 years ago
5 0

Answer:

x = 2

Step-by-step explanation:

5(2)²-20(2)+20=0

20-40+20=0

0=0

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Marissa is drawing coins from a bag that contains 5 pennies (yellow), 4 nickels (green), 5 dimes
Anna007 [38]

Answer:

\frac{4}{16}=\frac{1}{4}=0.25=25\%

Step-by-step explanation:

Total number of coins in the bag = 5 + 4 + 5 + 2 = 16 coins

Number of nickels in the bag = 4

We have to find the probability that Marissa draws a nickels from the bag.

Probability is defined as the ratio of Number of "Favorable Outcomes" to "Total number of possible outcomes"

In this case total number of possible outcomes is the total number of coins which is 16.

Favorable/Desires outcome is drawing a Nickle from the bag which are 4 in number. So, number of favorable outcomes is 4

Therefore, the probability that she will draw a nickel = \frac{4}{16}=\frac{1}{4}=0.25=25\%

7 0
3 years ago
Please help me out!!!
professor190 [17]

Answer:

<u>416 square centimeters</u>

Step-by-step explanation:

Formula for finding area of a trapezoid :

<u>A = 1/2 x (a + b) x h</u>

  1. a and b = parallel sides of the trapezoid
  2. h = height of the trapezoid

Solving :

  • A = 1/2 x (38 + 14) x 16
  • A = 8 x 52
  • A = <u>416 square centimeters</u>
3 0
2 years ago
Read 2 more answers
Write a subtraction problem that has mixed numbers and requires renaming.draw a model illustrating the steps you take to solve t
Yuliya22 [10]

5(1/2) - 2 (1/4) =

11/2 - 9/4 =

22/4 - 9/4 =

13/4 or 3 (1/4)

5 0
3 years ago
Find the ratio of red marbles to total marbles. Write the ratio in simplest form.
DanielleElmas [232]

Answer:

3:5

Step-by-step explanation:

ratio is 4:6 so ratio equals 2:3

red marbles is 3/5

3 0
3 years ago
What is the 75th term of the sequence -200,-100,0
worty [1.4K]

Answer:

7200

Step-by-step explanation:

5 0
3 years ago
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