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lilavasa [31]
3 years ago
9

Need help on math question brainlest

Mathematics
1 answer:
likoan [24]3 years ago
8 0

Answer:

65m+25=c

Step-by-step explanation:

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How many real-number solutions does the equation have?
Nataly_w [17]

Answer:

Option b. Two solutions

Step-by-step explanation:

In order to find how many real number solutions the equation has we have to solve it

Given equation: -4x² + 10x + 6 = 0

taking 2 common from the equation

2(-2x² + 5x + 3) = 0

-2x² + 5x + 3 = 0

taking minus sign common from the above equation

2x² - 5x - 3 = 0

We will solve this equation by factorization in such a way that the sum of two factors is equal to -5x and the product is -6x²

2x² - 6x + x - 3 = 0

taking common above

2x(x-3) + 1(x-3) = 0

taking (x-3) common

(2x+1)(x-3) = 0

2x + 1 = 0

2x = -1

x = \frac{-1}{2}

x - 3 = 0; x = 3

the solutions are

x=\frac{-1}{2},3

Both values are real numbers, therefore correct option is b

7 0
3 years ago
Read 2 more answers
Find the length of the third side if necessary round to the nearest tenth
Fantom [35]

Answer:

8

Step-by-step explanation:

Let's call the missing side as x

Base on the pythagorean theorem, we have :
17² - 15² = x²

289 - 225 = x²

x² = 64

So, x equals 8.

Hope it helps

8 0
2 years ago
What is larger 8/10 or 63/100
amid [387]

Answer:

8/10

Step-by-step explanation:

8/10 = 80/100 > 63/100

6 0
3 years ago
Read 2 more answers
Eric invests $190 in a savings account earning 12% interest compounded monthly (12 times per year). What will the account balanc
kupik [55]

Answer:

......

Step-by-step explanation:

4 0
2 years ago
Lisa gets paid $8 an hour for babysitting. She usually earns $60 to $70 each weekend, but last weekend she only earned $32. Whic
Harrizon [31]
C. Lisa's lower pay was caused by babysitting for fewer hours
5 0
3 years ago
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