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Ann [662]
3 years ago
7

5x^2 + 9x = -4 What is the “c” value for the following quadratic equation.

Mathematics
1 answer:
ohaa [14]3 years ago
6 0

Answer:

c=4

Step-by-step explanation:

5x^2 + 9x = -4

We need to write this in the form

ax^2 +bx+c = 0

So add 4 to each side

5x^2 + 9x+4 = -4+4

5x^2 + 9x+4 = 0

a =5   b=9 and c =4

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How do I do this problem?
Aleks04 [339]
To solve the problem, we can use the angle sum of triangle,where the addition of all triangles would be equal to 180°.

In this case, 90° is already given, hence we can use the rest angles with unknown to set up equaiton:

90° + 2x + 3x = 180°

2x + 3x = 180°- 90°

5x = 90°

x = 90°/5

x = 18°

Therefore, x= 18°.

Hope it helps!
4 0
2 years ago
Total employment for sheet metal workers in 2016 is projected to be 201,000. If this is a 6.3% increase from 2006, approximately
natka813 [3]
201,000 = (2006 employment) +6.3%*(2006 employment)

201,000 = (2006 employment)*(1.063)

201,000/1.063 = (2006 employment) ≈ 189,087 . . . . . matching selection D
7 0
3 years ago
Read 2 more answers
What is the value of x?
Yuliya22 [10]

Answer:

<h2>x = 3</h2>

Step-by-step explanation:

∠QRT and ∠SRT are supplementary angles,

therefore m∠QRT + m∠SRT = 180°.

(45x)° + m∠SRT = 180°            <em>subtract (45x)° from both sides</em>

m∠SRT = 180° - (45x)°

We know: the sum of the measures of the angles of the triangle is equal to 180 °. Therefore we have the equation:

(180 - 45x) + (57 + x) + 25x = 180         <em>combine like terms</em>

(-45x + x + 25x) + (180 + 57) = 180

-19x + 237 = 180             <em>subtract 237 from both sides</em>

-19x = -57             <em>divide both sides by (-19)</em>

x = 3

4 0
3 years ago
Please help me find the answer and explain the process to find the answer of the problem appreciate it :)
Natalka [10]

Answer:

Total distance traveled is 67.653 miles

Step-by-step explanation:

Side a = 14 (miles traveled South)

Side b = 25 (miles traveled East)

side c = a^{2} + b^{2}

196 + 625 = c^{2}

821 = c^{2}

\sqrt{821} = \sqrt{c^{2} }

c = 28.653 (rounded to the nearest 1000th)

Now add the three sides to get the total distance:

14 + 25 + 28.653 = 67.653

5 0
3 years ago
Please ASAP please
Mars2501 [29]

Answer:

A)3.125hr

B)53.325mi

Step-by-step explanation:

speed=distance/time

an hour and 15min=1.25hr

32/1.25=25.6mi/hr

80/25.6=3.125hr

B)

2hr and 5min=2+5/60=2.083hr

2.083x25.6=53.325mile

7 0
2 years ago
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