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disa [49]
2 years ago
6

I need help with this problem

Mathematics
1 answer:
vazorg [7]2 years ago
7 0
I can’t see the if 5685sq sorry
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Help if u know the answer
Fiesta28 [93]
( \frac{a}{b} )( \frac{c}{d} )= \frac{ac}{bd} so
( \frac{3}{10} )( \frac{-4}{5} )= \frac{3*-4}{10*5}= \frac{-12}{50}= \frac{-6}{25}


6 0
3 years ago
The fucntion f(x)=2x^2+3x+5 when evaluated, gives a value of 19. What is the functions input value?
BlackZzzverrR [31]

Answer:

x1= 14/4 and X2 = -2

Step-by-step explanation:

To find the values of "X" for which when the function is evaluated gives 19 we need to equal the function to 19, as follows:

2x^2+3x+5 = 19

2x^2+3x+5-19=0

2x^2+3x-14=0

Then, solving for "x" we need to use the quadratic formula (Attached), where a, b, and c, are the following:

a: 2 b: 3 c: 14

Using the quadratic formula, we get:

x1= 14/4 and X2 = -2

8 0
3 years ago
GIVING BRAINLIEST TO 1ST CORRECT ANSWER. Leah practices dance for 2One-half hours each week. Her younger sister Sonia practices
sergij07 [2.7K]

Answer:

Sonia practices for 96 mins (1 hour 36mins ) 0.8 = 80%

Step-by-step explanation:

6 0
3 years ago
Which of the following expressions cannot be written as a whole number?
Allisa [31]
9^0 its that answer because all the other number you can make a whole number.
6 0
3 years ago
Read 2 more answers
5 points
sweet [91]

Answer:

D because 2/3 equals 2 1/3 mugs

4 0
3 years ago
Read 2 more answers
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