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PolarNik [594]
4 years ago
5

Solve equation by using the quadratic formula. 25x^2 + 35x = -12

Mathematics
1 answer:
Monica [59]4 years ago
5 0
The answer is -3/5, -4/5
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Graph the system below and write its solution. <br> 2X+Y=-6<br> Y= -1/3X-1
puteri [66]
2x + y = -6
y = ⁻¹/₃x - 1

2x + (⁻¹/₃x - 1) = -6
     2x - ¹/₃x - 1 = -6
          1²/₃x - 1 = -6
                  + 1  + 1
               1²/₃x = -5
                1²/₃    1²/₃
                    x = -3

y = ⁻¹/₃x - 1
y = ⁻¹/₃(-3) - 1
y = 1 - 1
y = 0
(x, y)= (-3, 0)

4 0
3 years ago
I NEED HELP ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Zinaida [17]
A is the answer i hope this helsp
6 0
3 years ago
A 3 ounce serving of tuna provides 21 grams of protein. Use equivalent ratios to find how many grams of protein are in 9 ounces
denis-greek [22]

Answer:

There would be 63 grams of protein in 9 ounces of tuna.  

Step-by-step explanation:

Equivalent ratios compare two different quantities the have the same rate regardless of the amount.  In this example, for every 3 ounces of tuna, there are 21 grams of protein.  We can write this as a ratio of:  3/21.  Like fractions, we can simplify ratios by dividing the numerator and denominator by the same greatest common factor.  In this case, we would divide both the numerator and denominator by 3:  (3÷3)/(21÷3) = 1/7. So, our new ratio is for every ounce of tuna, we have 7 grams of protein.  Using equivalent ratios, we can set up our ratios to solve for the grams of protein in 9 ounces of tuna:  1/7 = 9/x.  Since we have to multiply both the numerator and denominator by the same factor, in this case 9, then our x = 63 grams of protein.

5 0
3 years ago
Chef Willie can make 54 pies in 2 hours. At this rate, how many pies can he make in 1 hour?
mihalych1998 [28]
27 pies in one hour 54=2 hours 54 divided by 2 equals 27
4 0
3 years ago
Estimate the measure of the angle shown below.<br><br><br><br> 25°<br> 45°<br> 85°<br> 135°
sergiy2304 [10]

Answer:

45 degrees

Step-by-step explanation:

That looks about half a right angle

A right angle is 90 degrees

90/2 = 45

4 0
2 years ago
Read 2 more answers
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